Compare Gas Boilers

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Gas
(738)
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(414)
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(60)

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Combi
(458)
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(343)
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(318)

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Alpha
(47)
Ariston
(34)
ATAG
(17)
Baxi
(75)
Biasi
(31)
Daikin
(3)
Ferroli
(32)
Glow-worm
(49)
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(74)
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(24)
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(6)
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(5)
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(12)
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(8)
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(74)
Ravenheat
(25)
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(77)
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(29)
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(26)
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(12)
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(71)
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(7)

Clear search

Alpha

Boiler Model	kW	Efficiency	Warranty	Typical Price
Alpha CD28C Combi Gas Boiler COMPARE	28kw	90.3%	5 years	£781	COMPARE
Alpha CD35C Combi Gas Boiler COMPARE	35kw	90.5%	5 years	£850	COMPARE
Alpha CD28X Combi Gas Boiler COMPARE	28kw	88.50%	2 years	£690	COMPARE
Alpha CD25X Combi Gas Boiler COMPARE	25kw	88.60%	2 years	£745	COMPARE
Alpha CD25C Combi Gas Boiler COMPARE	25kw	89.00%	5 years	£850	COMPARE
Alpha CD50 Combi Gas Boiler COMPARE	50kw	89.30%	3 years	£1900	COMPARE
Alpha CD24R Regular Gas Boiler COMPARE	24kw	88.6%	3 years	£825	COMPARE
Alpha CD13R Regular Gas Boiler COMPARE	13kw	88.5%	3 years	£675	COMPARE
Alpha CD28S System Gas Boiler COMPARE	28kw	88.80%	3 years	£840	COMPARE
Alpha CD18R Regular Gas Boiler COMPARE	18kw	88.4%	3 years	£763	COMPARE
Alpha CD20S System Gas Boiler COMPARE	20kw	88.8%	3 years	£770	COMPARE
Alpha CD12S System Gas Boiler COMPARE	12kw	88.60%	3 years	£760	COMPARE
Alpha InTec2 26CE Combi Gas Boiler COMPARE	26kw	88.8%	7 years	£713	COMPARE
Alpha InTec2 30CE Combi Gas Boiler COMPARE	30kw	88.8%	7 years	£818	COMPARE
Alpha InTec2 35CE Combi Gas Boiler COMPARE	35kw	88.9%	7 years	£883	COMPARE
Alpha InTec 30C Combi Gas Boiler COMPARE	30kw	88.2%	7 years	£895	COMPARE
Alpha InTec 34C Combi Gas Boiler COMPARE	34kw	88.8%	7 years	£975	COMPARE
Alpha InTec2 25XE Combi Gas Boiler COMPARE	25kw	88.8%	7 years	£645	COMPARE
Alpha InTec2 28XE Combi Gas Boiler COMPARE	28kw	88.8%	4 years	£675	COMPARE
Alpha Eco2 Plus Combi Gas Boiler COMPARE	28kw	88.8%	4 years	£750	COMPARE
Alpha InTec2 20SE System Gas Boiler COMPARE	20kw	88.9%	5 years	£795	COMPARE
Alpha InTec2 30SE System Gas Boiler COMPARE	30kw	89%	5 years	£827	COMPARE
Alpha InTec 12S System Gas Boiler COMPARE	13kw	88.80%	3 years	£800	COMPARE
Alpha InTec 18S System Gas Boiler COMPARE	20kw	88.80%	3 years	£900	COMPARE
Alpha InTec 28S System Gas Boiler COMPARE	30kw	89.00%	3 years	£900	COMPARE
Alpha E-TEC 28kW Combi Gas Boiler COMPARE	28kw	88.9%	5 years	£745	COMPARE
Alpha E-TEC 33kW Combi Gas Boiler COMPARE	33kw	89%	2 years	£745	COMPARE
Alpha EVOKE 28kW Combi Gas Boiler COMPARE	28kw	88.9%	5 years	£575	COMPARE
Alpha EVOKE 33kW Combi Gas Boiler COMPARE	33kw	89%	5 years	£590	COMPARE
Alpha InTec Gs 30kW Combi Gas Boiler COMPARE	30kw	88.8%	5 years	£1900	COMPARE
Alpha InTec Gs 40kW Combi Gas Boiler COMPARE	40kw	88.8%	5 years	£2500	COMPARE
Alpha ProTec Plus 50 System Gas Boiler COMPARE	54kw	88.5%	3 years	£983	COMPARE
Alpha ProTec Plus 70 System Gas Boiler COMPARE	74kw	88.6%	3 years	£985	COMPARE
Alpha ProTec Plus 90 System Gas Boiler COMPARE	98kw	88.7%	3 years	£1144	COMPARE
Alpha ProTec Plus 115 System Gas Boiler COMPARE	121kw	88.5%	3 years	£1246	COMPARE
Alpha E-TEC 20S System Gas Boiler COMPARE	20kw	88.9%	5 years	£1015	COMPARE
Alpha E-TEC 30s System Gas Boiler COMPARE	30kw	89%	5 years	£975	COMPARE
Alpha E-TEC PLUS 28kW Combi Gas Boiler COMPARE	28kw	88.9%	10 years	£800	COMPARE
Alpha E-TEC PLUS 33kW Combi Gas Boiler COMPARE	33kw	89%	10 years	£925	COMPARE
Alpha E-Tec 15R 15kW Regular Gas Boiler COMPARE	15kw	93%	2 years	£0	COMPARE
Alpha E-Tec 20R 20kW Regular Gas Boiler COMPARE	20kw	93%	2 years	£0	COMPARE
Alpha E-Tec 25R 25kW Regular Gas Boiler COMPARE	25kw	93%	2 years	£0	COMPARE

Ariston

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ariston GENUS HE 24 Combi Gas Boiler COMPARE	24kw	90.3%	1 year	£702	COMPARE
Ariston GENUS HE 24 System Gas Boiler COMPARE	24kw	90.3%	1 year	£571	COMPARE
Ariston CLAS HE evo 30 Combi Gas Boiler COMPARE	30kw	90%	5 years	£1100	COMPARE
Ariston CLAS HE evo 24 Combi Gas Boiler COMPARE	24kw	90.1%	5 years	£910	COMPARE
Ariston CLAS HE evo 38 Combi Gas Boiler COMPARE	38kw	90%	5 years	£750	COMPARE
Ariston E-COMBI evo 24 Combi Gas Boiler COMPARE	24kw	90%	2 years	£650	COMPARE
Ariston E-COMBI evo 30 Combi Gas Boiler COMPARE	30kw	90%	2 years	£705	COMPARE
Ariston E-COMBI evo 38 Combi Gas Boiler COMPARE	38kw	90.1%	2 years	£900	COMPARE
Ariston CLAS HE 24kW Regular Gas Boiler COMPARE	24kw	90.3%	5 years	£795	COMPARE
Ariston E-SYSTEM evo 24 System Gas Boiler COMPARE	24kw	90%	2 years	£670	COMPARE
Ariston E-SYSTEM evo 30 System Gas Boiler COMPARE	30kw	90.2%	2 years	£775	COMPARE
Ariston CLAS HE SYSTEM evo 18 System Gas Boiler COMPARE	18kw	90.1%	5 years	£700	COMPARE
Ariston CLAS HE SYSTEM evo 24 System Gas Boiler COMPARE	24kw	90%	5 years	£725	COMPARE
Ariston CLAS HE SYSTEM evo 30 System Gas Boiler COMPARE	30kw	90%	5 years	£760	COMPARE
Ariston Clas Net One 24kW Combi Gas Boiler COMPARE	24kw	90%	12 years	£1215	COMPARE
Ariston Clas Net One 30kW Combi Gas Boiler COMPARE	30kw	90%	12 years	£1400	COMPARE
Ariston Clas Net One 38kW Combi Gas Boiler COMPARE	38kw	90%	12 years	£1500	COMPARE
Ariston Clas One 24kW Combi Gas Boiler COMPARE	24kw	90%	8 years	£800	COMPARE
Ariston Clas One 30kW Combi Gas Boiler COMPARE	30kw	90%	8 years	£850	COMPARE
Ariston Clas One 38kW Combi Gas Boiler COMPARE	38kw	90%	8 years	£1149	COMPARE
Ariston E-Combi One 24kW Gas Boiler COMPARE	24kw	90%	2 years	£575	COMPARE
Ariston E-Combi One 30kW Gas Boiler COMPARE	30kw	90%	2 years	£600	COMPARE
Ariston E-System One 24kW Gas Boiler COMPARE	24kw	90%	2 years	£739	COMPARE
Ariston E-System One 30kW Gas Boiler COMPARE	30kw	90%	2 years	£793	COMPARE
Ariston Clas System One 18kW Gas Boiler COMPARE	18kw	90%	8 years	£850	COMPARE
Ariston Clas System One 24kW Gas Boiler COMPARE	24kw	90%	8 years	£900	COMPARE
Ariston Clas System One 30kw Gas Boiler COMPARE	30kw	90%	8 years	£1000	COMPARE
Ariston ATLEAS ONE NET 30kW Combi Gas Boiler COMPARE	30kw	90.1%	12 years	£3540	COMPARE
Ariston ATLEAS ONE NET 35kW Combi Gas Boiler COMPARE	35kw	90.1%	12 years	£3720	COMPARE
Ariston GENUS ONE NET 24kW Combi Gas Boiler COMPARE	24kw	90.1%	12 years	£3120	COMPARE
Ariston GENUS ONE NET 30kW Combi Gas Boiler COMPARE	30kw	90.4%	12 years	£3360	COMPARE
Ariston GENUS ONE NET 35kW Combi Gas Boiler COMPARE	35kw	90.1%	12 years	£3600	COMPARE

ATAG

Boiler Model	kW	Efficiency	Warranty	Typical Price
ATAG IC Economiser Plus 39kW Combi Gas Boiler COMPARE	39kw	89.7%	10 years	£2460	COMPARE
ATAG IC Economiser Plus 35kW Combi Gas Boiler COMPARE	35kw	89.7%	10 years	£2380	COMPARE
ATAG IC Economiser Plus 27kW Combi Gas Boiler COMPARE	27kw	89.7%	10 years	£2150	COMPARE
ATAG IS40 40kW System Gas Boiler COMPARE	40kw	89.8%	10 years	£0	COMPARE
ATAG IS32 32kW System Gas Boiler COMPARE	32kw	89.8%	10 years	£0	COMPARE
ATAG IS24 24kW System Gas Boiler COMPARE	24kw	89.8%	10 years	£0	COMPARE
ATAG IS18 18kW System Gas Boiler COMPARE	18kw	89.8%	10 years	£0	COMPARE
ATAG IS15 15kW System Gas Boiler COMPARE	15kw	89.8%	10 years	£0	COMPARE
ATAG IR40 40kW Regular Gas Boiler COMPARE	40kw	89.8%	10 years	£0	COMPARE
ATAG IR32 32kW Regular Gas Boiler COMPARE	32kw	89.8%	10 years	£1971	COMPARE
ATAG IR24 24kW Regular Gas Boiler COMPARE	24kw	89.8%	10 years	£1971	COMPARE
ATAG IR18 18kW Regular Gas Boiler COMPARE	18kw	89.8%	10 years	£0	COMPARE
ATAG IR15 15kW Regular Gas Boiler COMPARE	15kw	89.8%	10 years	£0	COMPARE
ATAG IC36 36kW Combi Gas Boiler COMPARE	36kw	89.7%	10 years	£0	COMPARE
ATAG IC28 28kW combi Gas Boiler COMPARE	28kw	89.7%	10 years	£0	COMPARE
ATAG IC24 24kW Combi Gas Boiler COMPARE	24kw	89.7%	10 years	£0	COMPARE
ATAG IC40 40kW Combi Gas Boiler COMPARE	40kw	89.7%	10 years	£0	COMPARE

Baxi

Boiler Model	kW	Efficiency	Warranty	Typical Price
Baxi Combi 105 HE 30kW Gas Boiler COMPARE	30kw	87.3%	2 years	£948	COMPARE
Baxi Solo 15 HE A Regular Gas Boiler COMPARE	15kw	89.2%	2 years	£878	COMPARE
Baxi Duo-tec Combi 28 LPG Gas Boiler COMPARE	28kw	88.6%	7 years	£870	COMPARE
Baxi Neta-Tec Combi 33 GA Gas Boiler COMPARE	33kw	89%	5 years	£1110	COMPARE
Baxi EcoBlue+ Combi 24 Gas Boiler COMPARE	24kw	89.1%	7 years	£910	COMPARE
Baxi EcoBlue+ Combi 28 Gas Boiler COMPARE	28kw	89.1%	7 years	£959	COMPARE
Baxi EcoBlue+ Combi 33 Gas Boiler COMPARE	33kw	89.1%	7 years	£995	COMPARE
Baxi EcoBlue Advance Combi 24 Gas Boiler COMPARE	24kw	89.1%	10 years	£962	COMPARE
Baxi EcoBlue Advance Combi 28 Gas Boiler COMPARE	28kw	89.1%	10 years	£1102	COMPARE
Baxi EcoBlue Advance Combi 33 Gas Boiler COMPARE	33kw	89.1%	10 years	£1200	COMPARE
Baxi EcoBlue Advance Combi 40 Gas Boiler COMPARE	40kw	89.1%	10 years	£1260	COMPARE
Baxi Platinum Combi 24 Gas Boiler COMPARE	24kw	89%	10 years	£890	COMPARE
Baxi Platinum Combi 28 Gas Boiler COMPARE	28kw	89%	10 years	£1025	COMPARE
Baxi Platinum Combi 33 Gas Boiler COMPARE	33kw	88.9%	10 years	£1100	COMPARE
Baxi Platinum Combi 40 Gas Boiler COMPARE	40kw	88.9%	10 years	£1385	COMPARE
Baxi Duo-tec Combi 24 Gas Boiler COMPARE	24kw	88.6%	7 years	£1135	COMPARE
Baxi Duo-tec Combi 28 Gas Boiler COMPARE	28kw	88.6%	7 years	£850	COMPARE
Baxi Duo-tec Combi 33 Gas Boiler COMPARE	33kw	88.5%	7 years	£925	COMPARE
Baxi Duo-tec Combi 40 Gas Boiler COMPARE	40kw	88.5%	7 years	£1105	COMPARE
Baxi EcoBlue Heat 12 Regular Gas Boiler COMPARE	12kw	89.2%	2 years	£795	COMPARE
Baxi EcoBlue Heat 15 Regular Gas Boiler COMPARE	15kw	89.2%	2 years	£895	COMPARE
Baxi EcoBlue Heat 18 Regular Gas Boiler COMPARE	18kw	89.2%	2 years	£913	COMPARE
Baxi EcoBlue Heat 21 Regular Gas Boiler COMPARE	21kw	89.2%	2 years	£925	COMPARE
Baxi EcoBlue Heat 24 Regular Gas Boiler COMPARE	24kw	89.1%	2 years	£950	COMPARE
Baxi EcoBlue Advance Heat 13 Regular Gas Boiler COMPARE	13kw	89.2%	7 years	£795	COMPARE
Baxi EcoBlue Advance Heat 16 Regular Gas Boiler COMPARE	16kw	89.2%	7 years	£925	COMPARE
Baxi EcoBlue Advance Heat 19 Regular Gas Boiler COMPARE	19kw	89.2%	7 years	£995	COMPARE
Baxi EcoBlue Advance Heat 25 Regular Gas Boiler COMPARE	25kw	89.1%	7 years	£1055	COMPARE
Baxi EcoBlue Advance Heat 30 Regular Gas Boiler COMPARE	30kw	89.1%	7 years	£1095	COMPARE
Baxi EcoBlue System 12 Gas Boiler COMPARE	12kw	89.1%	7 years	£880	COMPARE
Baxi EcoBlue System 15 Gas Boiler COMPARE	15kw	89.1%	7 years	£925	COMPARE
Baxi EcoBlue System 18 Gas Boiler COMPARE	18kw	89.1%	7 years	£960	COMPARE
Baxi EcoBlue System 24 Gas Boiler COMPARE	24kw	89.1%	7 years	£976	COMPARE
Baxi EcoBlue System 28 Gas Boiler COMPARE	28kw	89.1%	7 years	£1112	COMPARE
Baxi EcoBlue System 32 Gas Boiler COMPARE	32kw	89.1%	7 years	£1127	COMPARE
Baxi Megaflo System 15 Gas Boiler COMPARE	15kw	88.6%	7 years	£765	COMPARE
Baxi Megaflo System 18 Gas Boiler COMPARE	18kw	88.6%	7 years	£740	COMPARE
Baxi Megaflo System 24 Gas Boiler COMPARE	24kw	88.6%	7 years	£895	COMPARE
Baxi Megaflo System 28 Gas Boiler COMPARE	28kw	88.5%	7 years	£945	COMPARE
Baxi Megaflo System 32 Gas Boiler COMPARE	32kw	88.5%	7 years	£975	COMPARE
Baxi 124 Combi Gas Boiler COMPARE	24kw	89.1%	2 years	£785	COMPARE
Baxi 128 Combi Gas Boiler COMPARE	28kw	89.1%	2 years	£835	COMPARE
Baxi 224 Combi Gas Boiler COMPARE	24kw	89%	3 years	£635	COMPARE
Baxi 228 Combi Gas Boiler COMPARE	28kw	89%	3 years	£631	COMPARE
Baxi 424 Combi Gas Boiler COMPARE	24kw	89%	5 years	£625	COMPARE
Baxi 428 Combi Gas Boiler COMPARE	28kw	89%	5 years	£655	COMPARE
Baxi 412 Heat 12kW Regular Gas Boiler COMPARE	12kw	89.2%	5 years	£695	COMPARE
Baxi 415 Heat 15kW Regular Gas Boiler COMPARE	15kw	89.2%	5 years	£695	COMPARE
Baxi 418 Heat 18kW Regular Gas Boiler COMPARE	18kw	89.2%	5 years	£805	COMPARE
Baxi 424 Heat 24kW Regular Gas Boiler COMPARE	24kw	89.1%	5 years	£662	COMPARE
Baxi 430 Heat 30kW Regular Gas Boiler COMPARE	30kw	89.1%	5 years	£925	COMPARE
Baxi 212 Heat 12kW Regular Gas Boiler COMPARE	12kw	89.2%	3 years	£695	COMPARE
Baxi 215 Heat 15kW Regular Gas Boiler COMPARE	15kw	89.2%	3 years	£883	COMPARE
Baxi 218 Heat 18kW Regular Gas Boiler COMPARE	18kw	89.2%	3 years	£765	COMPARE
Baxi 224 Heat 24kW Regular Gas Boiler COMPARE	24kw	89.2%	3 years	£815	COMPARE
Baxi 230 Heat 30kW Regular Gas Boiler COMPARE	30kw	89.1%	3 years	£850	COMPARE
Baxi 624 Combi Gas Boiler COMPARE	24kw	89%	7 years	£735	COMPARE
Baxi 630 Combi Gas Boiler COMPARE	30kw	89%	7 years	£820	COMPARE
Baxi 636 Combi Gas Boiler COMPARE	36kw	89%	7 years	£995	COMPARE
Baxi 613 13kW Regular Gas Boiler COMPARE	13kw	89.2	7 years	£0	COMPARE
Baxi 616 16kW Regular Gas Boiler COMPARE	16kw	89.2%	7 years	£0	COMPARE
Baxi 619 19kW Regular Gas Boiler COMPARE	19kw	89.2%	7 years	£0	COMPARE
Baxi 625 25kW Regular Gas Boiler COMPARE	25kw	89.1%	7 years	£0	COMPARE
Baxi 630 30kW Regular Gas Boiler COMPARE	30kw	89.1%	7 years	£0	COMPARE
Baxi 615 15kW System Gas Boiler COMPARE	15kw	89%	7 years	£0	COMPARE
Baxi 618 18kW System Gas Boiler COMPARE	18kw	89%	7 years	£0	COMPARE
Baxi 624 24kW System Gas Boiler COMPARE	24kw	89%	7 years	£0	COMPARE
Baxi 825 25kW Combi Gas Boiler COMPARE	25kw	93%	10 years	£0	COMPARE
Baxi 830 30kW Combi Gas Boiler COMPARE	30kw	93%	10 years	£0	COMPARE
Baxi 836 36kW Combi Gas Boiler COMPARE	36kw	93%	10 years	£0	COMPARE
Baxi 818 18kW System Gas Boiler COMPARE	18kw	93%	10 years	£0	COMPARE
Baxi 824 24kW System Gas Boiler COMPARE	24kw	93%	10 years	£0	COMPARE
Baxi 800 platinum+ 40kW Combi Gas Boiler COMPARE	40kw	93%	10 years	£0	COMPARE

Biasi

Boiler Model	kW	Efficiency	Warranty	Typical Price
Biasi Advance Plus Combi ErP 25kW Gas Boiler COMPARE	25kw	88.7%	5 years	£595	COMPARE
Biasi Inovia ErP 25kW Combi Gas Boiler COMPARE	25kw	88.7%	5 years	£615	COMPARE
Biasi Inovia Combi ErP 30kW Gas Boiler COMPARE	30kw	88.6%	5 years	£625	COMPARE
Biasi Inovia Combi ErP 35kW Gas Boiler COMPARE	35kw	88.6%	5 years	£695	COMPARE
Biasi Advance Plus ErP 30kW Combi Gas Boiler COMPARE	30kw	88.6%	5 years	£625	COMPARE
Biasi Advance Plus ErP 35kW Combi Gas Boiler COMPARE	35kw	88.6%	5 years	£650	COMPARE
Biasi Riva Plus ErP 24kW Combi Gas Boiler COMPARE	24kw	88%	2 years	£525	COMPARE
Biasi Riva Plus ErP 28kW Combi Gas Boiler COMPARE	28kw	88%	2 years	£525	COMPARE
Biasi Inovia System ErP 25kW Gas Boiler COMPARE	25kw	88.8%	5 years	£615	COMPARE
Biasi Advance Plus ErP 16kW System Gas Boiler COMPARE	16kw	88.7%	5 years	£570	COMPARE
Biasi Advance Plus ErP 25kW System Gas Boiler COMPARE	25kw	88.8%	5 years	£593	COMPARE
Biasi Advance Plus ErP 30kW System Gas Boiler COMPARE	30kw	88.7%	5 years	£615	COMPARE
Biasi Riva Plus ErP 28kW System Gas Boiler COMPARE	28kw	88.1%	2 years	£525	COMPARE
Biasi Riva Plus ErP 24kW System Gas Boiler COMPARE	24kw	88%	5 years	£530	COMPARE
Biasi Advance 25kW Combi Gas Boiler COMPARE	25kw	88.7%	5 years	£0	COMPARE
Biasi Advance 30kW Combi Gas Boiler COMPARE	30kw	89%	5 years	£0	COMPARE
Biasi Advance 35kW Combi Gas Boiler COMPARE	35kw	89%	5 years	£0	COMPARE
Biasi Advance 25kW System Gas Boiler COMPARE	25kw	89%	5 years	£0	COMPARE
Biasi Advance 30kW System Gas Boiler COMPARE	30kw	89%	5 years	£0	COMPARE
Biasi Advance Plus 7 30kW Combi Gas Boiler COMPARE	30kw	92%	7 years	£0	COMPARE
Biasi Advance Plus 7 25kW System Gas Boiler COMPARE	25kw	92%	7 years	£0	COMPARE
Biasi Advance Plus 7 30kW System Gas Boiler COMPARE	30kw	92%	7 years	£0	COMPARE
Biasi Advance Plus 7 35kW System Gas Boiler COMPARE	35kw	92%	7 years	£0	COMPARE
Biasi Advance OV 15kW Regular Gas Boiler COMPARE	15kw	92%	5 years	£0	COMPARE
Biasi Advance OV 18kW Regular Gas Boiler COMPARE	18kw	92%	5 years	£0	COMPARE
Biasi Advance OV 24kW Regular Gas Boiler COMPARE	24kw	92%	5 years	£0	COMPARE
Biasi Advance Plus 7 25kW Combi Gas Boiler COMPARE	25kw	92%	7 years	£0	COMPARE
Biasi Advance Plus 7 35kW Combi Gas Boiler COMPARE	35kw	92%	7 years	£0	COMPARE

Daikin

Boiler Model	kW	Efficiency	Warranty	Typical Price
Daikin D2CND 24kW Combi Gas Boiler COMPARE	24kw	93%	2 years	£0	COMPARE
Daikin D2CND 28kW Combi Gas Boiler COMPARE	28kw	93.1%	2 years	£0	COMPARE
Daikin D2CND 35kW Combi Gas Boiler COMPARE	35kw	93%	2 years	£0	COMPARE

Ferroli

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ferroli maXima 35 S Combi Gas Boiler COMPARE	35kw	91%	1 year	£753	COMPARE
Ferroli maXima 35 C Combi Gas Boiler COMPARE	35kw	90.9	1 year	£645	COMPARE
Ferroli Optimax HE 38 C Combi Gas Boiler COMPARE	30kw	90.5%	5 years	£699	COMPARE
Ferroli Optimax HE 31 C Combi Gas Boiler COMPARE	25kw	90.4	5 years	£652	COMPARE
Ferroli Domicompact F 30 B Combi Gas Boiler COMPARE	30kw	87.7%	1 year	£650	COMPARE
Ferroli Optimax HE PLUS 18 s System Gas Boiler COMPARE	18kw	92.5%	5 years	£539	COMPARE
Ferroli Optimax HE PLUS 25s System Gas Boiler COMPARE	25kw	90.5%	5 years	£539	COMPARE
Ferroli Optimax HE 31 S System Gas Boiler COMPARE	30kw	90.6%	5 years	£589	COMPARE
Ferroli Optimax HE 18 OV Regular Gas Boiler COMPARE	18kw	92.5%	5 years	£617	COMPARE
Ferroli Optimax 25 OV Regular Gas Boiler COMPARE	25kw	90.4%	5 years	£559	COMPARE
Ferroli Modena 32c HE Combi Gas Boiler COMPARE	32kw	90.3%	5 years	£665	COMPARE
Ferroli Modena 27c HE Combi Gas Boiler COMPARE	27kw	90.3%	5 years	£645	COMPARE
Ferroli Modena 38c HE Combi Gas Boiler COMPARE	38kw	90.3%	5 years	£845	COMPARE
Ferroli Modena 18s HE System Gas Boiler COMPARE	18kw	90.2%	5 years	£635	COMPARE
Ferroli Modena 25s HE System Gas Boiler COMPARE	25kw	90.4%	5 years	£635	COMPARE
Ferroli Modena 32s HE System Gas Boiler COMPARE	32kw	90.4%	5 years	£655	COMPARE
Ferroli i25 Combi Gas Boiler COMPARE	24kw	96.5%	2 years	£435	COMPARE
Ferroli i29 Combi Gas Boiler COMPARE	27kw	96.5%	2 years	£500	COMPARE
Ferroli iBoiler 29kW Combi Gas Boiler COMPARE	29kw	86%	2 years	£0	COMPARE
Ferroli iBoiler 25kW Combi Gas Boiler COMPARE	25kw	85%	2 years	£0	COMPARE
Ferroli BLUEHELIX RRT Tech 24kW Combi Gas Boiler COMPARE	24kw	94%	10 years	£0	COMPARE
Ferroli BLUEHELIX RRT Tech 28kW Combi Gas Boiler COMPARE	28kw	94%	10 years	£0	COMPARE
Ferroli BLUEHELIX RRT Tech 34kW Combi Gas Boiler COMPARE	34kw	94%	10 years	£0	COMPARE
Ferroli BLUEHELIX RRT Tech 18kW System Gas Boiler COMPARE	18kw	94%	10 years	£0	COMPARE
Ferroli BLUEHELIX RRT Tech 24kW System Gas Boiler COMPARE	30kw	94%	10 years	£0	COMPARE
Ferroli BLUEHELIX RRT Tech 30kW System Gas Boiler COMPARE	30kw	94%	10 years	£0	COMPARE

Glow-worm

Boiler Model	kW	Efficiency	Warranty	Typical Price
Glow-worm Xtramax HE 28kW Combi Gas Boiler COMPARE	28kw	89.2%	3 years	£550	COMPARE
Glow-worm Betacom 30c Combi Gas Boiler COMPARE	30kw	85.7%	2 years	£644	COMPARE
Glow-worm Ultrapower 100 SXI 24kW Combi Gas Boiler COMPARE	24kw	89.2%	2 years	£1700	COMPARE
Glow-worm Ultracom 24 hxi Regular Gas Boiler COMPARE	24kw	88.5%	5 years	£720	COMPARE
Glow-worm Ultracom2 35 store 35kW Combi Gas Boiler COMPARE	35kw	89.4%	2 years	£1400	COMPARE
Glow-worm Flexicom hx 24kW Regular Gas Boiler COMPARE	24kw,	88.4%	5 years	£675	COMPARE
Glow-worm Ultracom2 cxi 30kW Combi Gas Boiler COMPARE	30kw	89.3%	2 years	£900730	COMPARE
Glow-worm Flexicom cx 24kW Combi Gas Boiler COMPARE	24kw	88.4%	2 years	£830	COMPARE
Glow-worm Betacom2 24kW Combi Gas Boiler COMPARE	24kw	89%	2 years	£590	COMPARE
Glow-worm Energy Combi 25kW Gas Boiler COMPARE	25kw	89.2%	7 years	£775	COMPARE
Glow-worm Energy Combi 30kW Gas Boiler COMPARE	30kw	89.2%	7 years	£795	COMPARE
Glow-worm Energy Combi 35kW Gas Boiler COMPARE	35kw	89.2%	7 years	£915	COMPARE
Glow-worm Betacom3 24kW Combi Gas Boiler COMPARE	24kw	89.2%	2 years	£560	COMPARE
Glow-worm Betacom3 30kW Combi Gas Boiler COMPARE	30kw	89.2%	2 years	£610	COMPARE
Glow-worm Easicom 24c Combi Gas Boiler COMPARE	24kw	89.3%	4 years	£614	COMPARE
Glow-worm Easicom 28c Combi Gas Boiler COMPARE	28kw	89.3%	4 years	£665	COMPARE
Glow-worm Procombi Essential 24kW Combi Gas Boiler COMPARE	24kw	89.2%	2 years	£660	COMPARE
Glow-worm Procombi Essential 28kW Combi Gas Boiler COMPARE	28kw	89.2%	2 years	£700	COMPARE
Glow-worm Procombi Essential 35kW Combi Gas Boiler COMPARE	35kw	89.7%	2 years	£841	COMPARE
Glow-worm Ultimate2 Combi 30kW Gas Boiler COMPARE	30kw	89.2%	2 years	£720	COMPARE
Glow-worm Ultimate2 Combi 35kW Gas Boiler COMPARE	35kw	89.2%	2 years	£863	COMPARE
Glow-worm Easicom 25r Regular Gas Boiler COMPARE	25kw	89.7%	4 years	£685	COMPARE
Glow-worm Ultimate2 Regular 25kW Regular Gas Boiler COMPARE	25kw	89.3%	5 years	£870	COMPARE
Glow-worm Energy Regular 12kW Gas Boiler COMPARE	12kw	89.3%	7 years	£713	COMPARE
Glow-worm Energy Regular 15kW Gas Boiler COMPARE	15kw	89.3%	7 years	£780	COMPARE
Glow-worm Energy Regular 18kW Gas Boiler COMPARE	18kw	89.3%	7 years	£760	COMPARE
Glow-worm Energy Regular 25kW Gas Boiler COMPARE	25kw	89.2%	7 years	£790	COMPARE
Glow-worm Ultracom 24 hxi Regular Gas Boiler COMPARE	30kw	88.4%	5 years	£730	COMPARE
Glow-worm Ultimate2 25kW System Gas Boiler COMPARE	25kw	89.3%	5 years	£820	COMPARE
Glow-worm Easicom 25s System Gas Boiler COMPARE	25kw	89.3%	4 years	£860	COMPARE
Glow-worm Energy System 12kW Gas Boiler COMPARE	12kw	89.3%	7 years	£700	COMPARE
Glow-worm Energy System 15kW Gas Boiler COMPARE	15kw	89.3%	7 years	£725	COMPARE
Glow-worm Energy System 18kW Gas Boiler COMPARE	18kw	89.3%	7 years	£765	COMPARE
Glow-worm Energy System 25kW Gas Boiler COMPARE	25kw	89.3%	7 years	£785	COMPARE
Glow-worm Energy System 30kW Gas Boiler COMPARE	30kw	89.3%	7 years	£850	COMPARE
Glow-worm Energy 35 Store 35kW Combi Gas Boiler COMPARE	35kw	89.4%	7 years	£1580	COMPARE
Glow-worm Essential 24kW Combi Gas Boiler COMPARE	24kw	89.3%	3 years	£1853	COMPARE
Glow-worm Essential 28kW Combi Gas Boiler COMPARE	28kw	89.3%	3 years	£1234	COMPARE
Glow-worm Ultimate3 25kW System Gas Boiler COMPARE	25kw	89.7%	5 years	£725	COMPARE
Glow-worm Easicom3 25s System Gas Boiler COMPARE	25kw	89.7%	4 years	£595	COMPARE
Glow-worm Ultimate3 25kW Regular Gas Boiler COMPARE	25kw	89.6%	5 years	£725	COMPARE
Glow-worm Easicom3 25kW Regular Gas Boiler COMPARE	25kw	89.6%	5 years	£0	COMPARE
Glow-worm Ultimate3 30kw Combi Gas Boiler COMPARE	30kw	89.6%	10 years	£705	COMPARE
Glow-worm Ultimate3 35kw Combi Gas Boiler COMPARE	35kw	89.7%	10 years	£775	COMPARE
Glow-worm Easicom3 24kW Combi Gas Boiler COMPARE	24kw	89.6%	6 years	£625	COMPARE
Glow-worm Easicom3 28kW Combi Gas Boiler COMPARE	28kw	89.6%	6 years	£0	COMPARE
Glow-worm betacom4 24kW Combi gas boiler COMPARE	24kw	89.2%	5 years	£525	COMPARE
Glow-worm betacom4 30kW Combi gas boiler COMPARE	30kw	89.2%	5 years	£565	COMPARE

Ideal

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ideal Vogue 40kW Combi Gas Boiler COMPARE	26kw	89.10%	7 years	£1210	COMPARE
Ideal Logic Code Combi ES 26kW Gas Boiler COMPARE	26kw	89.00%	2 years	£1110	COMPARE
Ideal Logic System 15kW Gas Boiler COMPARE	15kw	89.30%	7 years	£700	COMPARE
Ideal Logic Heat 12kW Regular Gas Boiler COMPARE	12kw	89.40%	7 years	£770	COMPARE
Ideal Mexico HE 24kW Regular Gas Boiler COMPARE	24kw	88.8%	2 year	£1400	COMPARE
Ideal Logic Combi 24kW Gas Boiler COMPARE	24kw	94%	2 years	£775	COMPARE
Ideal Logic Combi 30kW Gas Boiler COMPARE	30kw	94%	2 years	£950	COMPARE
Ideal Logic Combi 35kW Gas Boiler COMPARE	35kw	94%	2 years	£955	COMPARE
Ideal Logic Combi ESP1 24kW Gas Boiler COMPARE	24kw	94%	2 years	£770	COMPARE
Ideal Logic Combi ESP1 30kW Gas Boiler COMPARE	30kw	94%	2 years	£714	COMPARE
Ideal Logic Combi ESP1 35kW Gas Boiler COMPARE	35kw	94%	2 years	£765	COMPARE
Ideal Logic Plus Combi 30kW Gas Boiler COMPARE	30kw	94%	7 years	£845	COMPARE
Ideal Logic Plus Combi 35kW Gas Boiler COMPARE	35kw	94%	7 years	£995	COMPARE
Ideal Logic Plus Combi 24kW Gas Boiler COMPARE	24kw	94%	7 years	£740	COMPARE
Ideal Logic Plus Heat 12kW Regular Gas Boiler COMPARE	12kw	89.4%	7 years	£775	COMPARE
Ideal Logic Plus Heat 15kW Regular Gas Boiler COMPARE	15kw	89.4%	7 years	£775	COMPARE
Ideal Logic Plus Heat 18kW Regular Gas Boiler COMPARE	18kw	89.6%	7 years	£835	COMPARE
Ideal Logic Plus Heat 24kW Regular Gas Boiler COMPARE	24kw	89.8%	7 years	£785	COMPARE
Ideal Logic Plus Heat 30kW Regular Gas Boiler COMPARE	30kw	89.5%	7 years	£925	COMPARE
Ideal Logic Plus System 15kW Gas Boiler COMPARE	15kw	89.4%	7 years	£815	COMPARE
Ideal Logic Plus System 18kW Gas Boiler COMPARE	18kw	89.4%	7 years	£895	COMPARE
Ideal Logic Plus System 24kW Gas Boiler COMPARE	24kw	89.8%	7 years	£920	COMPARE
Ideal Logic Plus System 30kW Gas Boiler COMPARE	30kw	89.5%	7 years	£905	COMPARE
Ideal Vogue 15kW System Gas Boiler COMPARE	15kw	92%	10 years	£840	COMPARE
Ideal Vogue 18kW System Gas Boiler COMPARE	18kw	93%	10 years	£930	COMPARE
Ideal Vogue 26kW System Gas Boiler COMPARE	26kw	93%	10 years	£910	COMPARE
Ideal Vogue 32kW System Gas Boiler COMPARE	32kw	93%	10 years	£1004	COMPARE
Ideal Logic Code Combi ES 33kW Gas Boiler COMPARE	33kw	91%	10 years	£1480	COMPARE
Ideal Logic Code Combi ES 38kW Gas Boiler COMPARE	38kw	91%	10 years	£1500	COMPARE
Ideal Logic System 18kW Gas Boiler COMPARE	18kw	97.8%	2 years	£890	COMPARE
Ideal Logic System 24kW Gas Boiler COMPARE	24kw	98.5%	2 years	£960	COMPARE
Ideal Logic System 30kW Gas Boiler COMPARE	30kw	98.3%	2 years	£980	COMPARE
Ideal Logic Heat 15kW Regular Gas Boiler COMPARE	15kw	90%	2 years	£700	COMPARE
Ideal Logic Heat 18kW Regular Gas Boiler COMPARE	18kw	98.5%	5 years	£791	COMPARE
Ideal Logic Heat 24kW Regular Gas Boiler COMPARE	24kw	90%	2 years	£850	COMPARE
Ideal Logic Heat 30kW Regular Gas Boiler COMPARE	30kw	89.3%	2 years	£950	COMPARE
Ideal Mexico HE 15kW Regular Gas Boiler COMPARE	15kw	89.7%	2 years	£1030	COMPARE
Ideal Mexico HE 18kW Regular Gas Boiler COMPARE	18kw	89.7%	2 years	£1120	COMPARE
Ideal Mexico HE 30kW Regular Gas Boiler COMPARE	30kw	88.9%	2 years	£1925	COMPARE
Ideal Mexico HE 36kW Regular Gas Boiler COMPARE	36kw	89%	2 years	£2200	COMPARE
Ideal EvoMax 30kW Regular Gas Boiler COMPARE	30kw	96.7%	2 years	£2300	COMPARE
Ideal EvoMax 40kW Regular Gas Boiler COMPARE	40kw	96.2%	2 years	£2600	COMPARE
Ideal EvoMax 60kW Regular Gas Boiler COMPARE	60kw	96.9%	2 years	£2700	COMPARE
Ideal EvoMax 80kW Regular Gas Boiler COMPARE	80kw	97.2%	2 years	£3100	COMPARE
Ideal EvoMax 100kW Regular Gas Boiler COMPARE	100kw	96.7%	2 years	£3800	COMPARE
Ideal EvoMax 120kW Regular Gas Boiler COMPARE	120kw	96.6%	2 years	£4100	COMPARE
Ideal EvoMax 150kW Regular Gas Boiler COMPARE	150kw	96.7%	2 years	£4500	COMPARE
Ideal Vogue GEN2 C26 Combi Gas Boiler COMPARE	26kw	89.2%	10 years	£995	COMPARE
Ideal Vogue GEN2 C32 Combi Gas Boiler COMPARE	32kw	89.3%	10 years	£1100	COMPARE
Ideal Vogue GEN2 C40 Combi Gas Boiler COMPARE	40kw	89.2%	10 years	£1180	COMPARE
Ideal Vogue GEN2 S15 System Gas Boiler COMPARE	15kw	88.9%	10 years	£820	COMPARE
Ideal Vogue GEN2 S18 System Gas Boiler COMPARE	18kw	89.4%	10 years	£970	COMPARE
Ideal Vogue GEN2 S26 System Gas Boiler COMPARE	26kw	89.4%	10 years	£1085	COMPARE
Ideal Vogue GEN2 S32 System Gas Boiler COMPARE	32kw	89.4%	10 years	£1145	COMPARE
Ideal Vogue Max 26kW Combi Gas Boiler COMPARE	26kw	93%	10 years	£1015	COMPARE
Ideal Vogue Max 32kW Combi Gas Boiler COMPARE	32kw	93%	10 years	£1125	COMPARE
Ideal Vogue Max 40kW Combi Gas Boiler COMPARE	40kw	93%	10 years	£1248	COMPARE
Ideal Vogue Max 15kW System Gas Boiler COMPARE	15kw	92%	10 years	£995	COMPARE
Ideal Vogue Max 18kW System Gas Boiler COMPARE	18kw	93%	10 years	£1091	COMPARE
Ideal Vogue Max 26kW System Gas Boiler COMPARE	26kw	93%	10 years	£1037	COMPARE
Ideal Vogue Max 32kW System Gas Boiler COMPARE	32kw	93%	10 years	£1135	COMPARE
Ideal Logic Max 24kW Combi Gas Boiler COMPARE	24kw	94%	10 years	£894	COMPARE
Ideal Logic Max 30kW Combi Gas Boiler COMPARE	30kw	94%	10 years	£980	COMPARE
Ideal Logic Max 35kW Combi Gas Boiler COMPARE	35kw	94%	10 years	£1077	COMPARE
Ideal Logic Max 15kW System Gas Boiler COMPARE	15kw	93%	10 years	£959	COMPARE
Ideal Logic Max 18kW System Gas Boiler COMPARE	18kw	93%	10 years	£960	COMPARE
Ideal Logic Max 24kW System Gas Boiler COMPARE	24kw	94%	10 years	£915	COMPARE
Ideal Logic Max 30kW System Gas Boiler COMPARE	30kw	93%	10 years	£952	COMPARE
Ideal Logic Max Heat 12Kw Regular Gas Boiler COMPARE	12kw	93%	10 years	£839	COMPARE
Ideal Logic Max Heat 15kW Regular Gas Boiler COMPARE	15kw	93%	10 years	£876	COMPARE
Ideal Logic Max Heat 18kW Regular Gas Boiler COMPARE	18kw	93%	10 years	£911	COMPARE
Ideal Logic Max Heat 24kW Regular Gas Boiler COMPARE	24kw	94%	10 years	£946	COMPARE
Ideal Logic Max Heat 30kW Regular Gas Boiler COMPARE	30kw	93%	10 years	£1059	COMPARE

Intergas

Boiler Model	kW	Efficiency	Warranty	Typical Price
Intergas Compact HRE OV 18kW Regular Gas Boiler COMPARE	18kw	88.8%	7 years	£725	COMPARE
Intergas Combi Compact HRE 28/24 Gas Boiler COMPARE	23kw	88.8%	7 years	£885	COMPARE
Intergas Combi Compact HRE 36/30kW Gas Boiler COMPARE	27kw	89.1%	7 years	£995	COMPARE
Intergas Combi Compact HRE 36/40 Gas Boiler COMPARE	41kw	88.8%	7 years	£1020	COMPARE
Intergas Rapid 25kW Combi Gas Boiler COMPARE	25kw	89%	3 years	£625	COMPARE
Intergas Rapid 32kW Combi Gas Boiler COMPARE	32kw	88.9%	3 years	£665	COMPARE
Intergas Combi Compact ECO RF 24kW Gas Boiler COMPARE	24kw	88.8%	10 years	£1100	COMPARE
Intergas Combi Compact ECO RF 30 Gas Boiler COMPARE	23kw	88.8%	10 years	£1155	COMPARE
Intergas Combi Compact ECO RF 36kW Gas Boiler COMPARE	27kw	89.1%	10 years	£990	COMPARE
Intergas Compact HRE SB 18Kw System Gas Boiler COMPARE	18kw	88.9%	7 years	£785	COMPARE
Intergas Compact HRE SB 24 System Gas Boiler COMPARE	23kw	88.9%	7 years	£875	COMPARE
Intergas Compact HRE SB 30 System Gas Boiler COMPARE	27kw	89.2%	7 years	£955	COMPARE
Intergas Compact HRE SB 40 System Gas Boiler COMPARE	41kw	89.2%	7 years	£1135	COMPARE
Intergas Compact HRE OV 24 Regular Gas Boiler COMPARE	23kw	88.9%	7 years	£835	COMPARE
Intergas Compact HRE OV 30 Regular Gas Boiler COMPARE	27kw	88.9%	7 years	£945	COMPARE
Intergas Combi Compact HRE 24/18 Gas Boiler COMPARE	17kw	88.8%	7 years	£775	COMPARE
Intergas Rapid 25kW Plus Combi Gas Boiler COMPARE	25kw	93%	6 years	£590	COMPARE
Intergas Rapid 32kW Plus Combi Gas Boiler COMPARE	32kw	93%	6 years	£645	COMPARE
Intergas Xtreme 24kW Combi Gas Boiler COMPARE	24kw	93%	7 years	£0	COMPARE
Intergas Xtreme 30kW Combi Gas Boiler COMPARE	30kw	93%	7 years	£0	COMPARE
Intergas Xtreme 36kW Combi Gas Boiler COMPARE	36kw	93%	7 years	£0	COMPARE
Intergas Xclusive 24kW Combi Gas Boiler COMPARE	24kw	87%	10 years	£0	COMPARE
Intergas Xclusive 30kW Combi Gas Boiler COMPARE	30kw	89%	10 years	£0	COMPARE
Intergas Xclusive 36kW Combi Gas Boiler COMPARE	36kw	89%	10 years	£0	COMPARE

Johnson and Starley

Boiler Model	kW	Efficiency	Warranty	Typical Price
Johnson and Starley QuanTec HR 28c Combi 28kW Gas Boiler COMPARE	28kw	89.3%	8 years	£0	COMPARE
Johnson and Starley QuanTec 24c Combi 24kW Gas Boiler COMPARE	24kw	89.6%	8 years	£0	COMPARE
Johnson and Starley QuanTec 30c Combi 28kW Gas Boiler COMPARE	30kw	89.5%	8 years	£0	COMPARE
Johnson and Starley Quantec 24r Regular 24kW Gas Boiler COMPARE	24kw	89.6%	8 years	£0	COMPARE
Johnson and Starley QuanTec 24s System 24kW Oil Boiler COMPARE	24kw	89.6%	8 years	£0	COMPARE
Johnson and Starley Quantec 16kW Regular Gas Boiler COMPARE	16kw	88.8%	8 years	£0	COMPARE

Keston

Boiler Model	kW	Efficiency	Warranty	Typical Price
Keston S30 30kW System Gas Boiler COMPARE	30kw	89.5%	7 years	£1100	COMPARE
Keston C30 30kW Combi Gas Boiler COMPARE	30kw	89.6%	7 years	£1140	COMPARE
Keston C35 35kW Combi Gas Boiler COMPARE	35kw	89.6%	7 years	£1180	COMPARE
Keston Heat 45kW Regular Gas Boiler COMPARE	45kw	89.2%	7 years	£2225	COMPARE
Keston Heat 55kW Regular Gas Boiler COMPARE	55kw	89.6%	7 years	£2610	COMPARE

Main

Boiler Model	kW	Efficiency	Warranty	Typical Price
Main Combi Eco Elite 25kW Gas Boiler COMPARE	25kw	89%	5 years	£590	COMPARE
Main Combi Eco Elite 30kW Gas Boiler COMPARE	30kw	88.7%	5 years	£670	COMPARE
Main System Eco Elite 24kW Gas Boiler COMPARE	24kw	89.1%	3 years	£618	COMPARE
Main System Eco Elite 28kW Gas Boiler COMPARE	28kw	88.8%	3 years	£635	COMPARE
Main HE A 12kW Regular Gas Boiler COMPARE	12kw	88.7%	3 years	£500	COMPARE
Main HE A 15kW Regular Gas Boiler COMPARE	15kw	89%	3 years	£520	COMPARE
Main HE A 18kW Regular Gas Boiler COMPARE	18kw	88.7%	3 years	£540	COMPARE
Main HE A 24kW Regular Gas Boiler COMPARE	24kw	88.9%	3 years	£600	COMPARE
Main Eco Compact 25kW Combi Gas Boiler COMPARE	25kw	93%	5 years	£620	COMPARE
Main Eco Compact 30kW Combi Gas Boiler COMPARE	30kw	93%	5 years	£710	COMPARE
Main Eco Compact 15kW System Gas Boiler COMPARE	15kw	93%	5 years	£610	COMPARE
Main Eco Compact 18kW System Gas Boiler COMPARE	18kw	93%	5 years	£675	COMPARE

Navien

Boiler Model	kW	Efficiency	Warranty	Typical Price
Navien NCB 24kW Combi Gas Boiler COMPARE	24kw	92%	7 years	£0	COMPARE
Navien NCB 28kW Combi Gas Boiler COMPARE	28kw	93%	7 years	£0	COMPARE
Navien NCB 34kW Combi Gas Boiler COMPARE	34kw	93%	7 years	£0	COMPARE
Navien NCB 40kW Combi Gas Boiler COMPARE	40kw	93%	7 years	£0	COMPARE
Navien NCB 20kW System Gas Boiler COMPARE	20kw	92%	7 years	£0	COMPARE
Navien NCB 23kW System Gas Boiler COMPARE	23kw	93%	7 years	£0	COMPARE
Navien NCB 28kW System Gas Boiler COMPARE	28kw	93%	7 years	£0	COMPARE
Navien NCB 33kW System Gas Boiler COMPARE	33kw	93%	7 years	£0	COMPARE

Potterton

Boiler Model	kW	Efficiency	Warranty	Typical Price
Potterton Titanium 24kW Combi Gas Boiler COMPARE	24kw	91.10%	7 years	£795	COMPARE
Potterton Promax HE Plus 15 kW Regular Gas Boiler COMPARE	15kw	89.40%	1 year	£775	COMPARE
Potterton Promax SL Heat 12kW Regular Gas Boiler COMPARE	12kw	91.10%	1 year	£675	COMPARE
Potterton Gold Combi 24kW Gas Boiler COMPARE	24kw	91.1%	2 years	£625	COMPARE
Potterton Heatmax Combi HE 24kW Gas Boiler COMPARE	24kw	91.10%	2 years	£580	COMPARE
Potterton Promax System HE Plus A 12kW Gas Boiler COMPARE	12kw	91.10%	2 years	£930	COMPARE
Potterton Performa Combi HE 30kW Combi Gas Boiler COMPARE	30kw	86.40%	1 year	£810	COMPARE
Potterton Promax SL Heat 24kW Regular Gas Boiler COMPARE	24kw	88.80%	1 year	£925	COMPARE
Potterton Promax 24kW Combi Gas Boiler COMPARE	24kw	89%	2 years	£1065	COMPARE
Potterton Promax 28kW Combi Gas Boiler COMPARE	28kw	89%	2 years	£910	COMPARE
Potterton Promax 33kW Combi Gas Boiler COMPARE	33kw	89%	2 years	£1100	COMPARE
Potterton Promax Ultra 24kW Combi Gas Boiler COMPARE	24kw	89.1%	2 years	£1100	COMPARE
Potterton Promax Ultra 28kW Combi Gas Boiler COMPARE	28kw	89.1%	2 years	£950	COMPARE
Potterton Promax Ultra 33kW Combi Gas Boiler COMPARE	33kw	89.1%	2 years	£1490	COMPARE
Potterton Promax Ultra 40kW Combi Gas Boiler COMPARE	40kw	89.1%	2 years	£1420	COMPARE
Potterton Promax System 12kW Gas Boiler COMPARE	12kw	89%	2 years	£845	COMPARE
Potterton Promax System 15kW Gas Boiler COMPARE	15kw	89%	2 years	£935	COMPARE
Potterton Promax System 18kW Gas Boiler COMPARE	18kw	89%	2 years	£830	COMPARE
Potterton Promax System 24kW Gas Boiler COMPARE	24kw	89%	2 years	£875	COMPARE
Potterton Promax System 32kW Gas Boiler COMPARE	32kw	89%	2 years	£965	COMPARE
Potterton Titanium 28kW Combi Gas Boiler COMPARE	28kw	91.1%	7 years	£835	COMPARE
Potterton Titanium 33kW Combi Gas Boiler COMPARE	33kw	91.1%	7 years	£925	COMPARE
Potterton Titanium 40kW Combi Gas Boiler COMPARE	40kw	91.1%	7 years	£935	COMPARE
Potterton Promax HE Plus 24 kW Regular Gas Boiler COMPARE	24kw	89.4%	1 year	£871	COMPARE
Potterton Promax HE Plus 30 kW Regular Gas Boiler COMPARE	30kw	89.4%	1 year	£875	COMPARE
Potterton Gold Combi 28kW Gas Boiler COMPARE	28kw	89%	2 years	£705	COMPARE
Potterton Gold Combi 33kW Gas Boiler COMPARE	33kw	89%	2 years	£825	COMPARE
Potterton Heatmax Combi HE 28kW Gas Boiler COMPARE	28kw	91.1%	2 years	£694	COMPARE
Potterton Heatmax Combi HE 33kW Gas Boiler COMPARE	33kw	91.1%	2 years	£806	COMPARE
Potterton Promax System HE Plus A 15kW Gas Boiler COMPARE	15kw	91.1%	2 years	£825	COMPARE
Potterton Promax System HE Plus A 18kW Gas Boiler COMPARE	18kw	91.1%	1 year	£942	COMPARE
Potterton Promax System HE Plus A 32kW Gas Boiler COMPARE	32kw	91.1%	1 year	£1050	COMPARE
Potterton Promax System HE Plus A 24kW Gas Boiler COMPARE	24kw	91.1%	1 year	£810	COMPARE
Potterton Performa Combi HE 24kW Combi Gas Boiler COMPARE	30kw	86%	1 year	£590	COMPARE
Potterton Promax SL Heat 18kW Regular Gas Boiler COMPARE	18kw	89.4%	2 years	£850	COMPARE
Potterton Promax SL Heat 15kW Regular Gas Boiler COMPARE	15kw	89.4%	2 years	£790	COMPARE
Potterton Promax Store 90L Regular Gas Boiler COMPARE	24kw	89%	2 years	£717	COMPARE
Potterton Promax Store 155L Regular Gas Boiler COMPARE	24kw	89%	2 years	£1697	COMPARE
Potterton Promax Store 150L Regular Gas Boiler COMPARE	24kw	89%	2 years	£2000	COMPARE
Potterton Ultra System 12kW Gas Boiler COMPARE	12kw	89%	2 years	£678	COMPARE
Potterton Ultra System 15kW Gas Boiler COMPARE	15kw	89%	2 years	£900	COMPARE
Potterton Ultra System 18kW Gas Boiler COMPARE	18kw	89%	2 years	£1332	COMPARE
Potterton Ultra System 21kW Gas Boiler COMPARE	21kw	89%	2 years	£1322	COMPARE
Potterton Ultra System 24kW Gas Boiler COMPARE	24kw	89%	2 years	£1800	COMPARE
Potterton Ultra Regular 24kW Gas Boiler COMPARE	24kw	89.1%	2 years	£1100	COMPARE
Potterton Ultra Regular 21kW Gas Boiler COMPARE	21kw	89.1%	2 years	£1110	COMPARE
Potterton Ultra Regular 18kW Gas Boiler COMPARE	18kw	89.2%	2 years	£988	COMPARE
Potterton Ultra Regular 15kW Gas Boiler COMPARE	15kw	89.2%	2 years	£988	COMPARE
Potterton Ultra Regular 12kW Gas Boiler COMPARE	12kw	89.2%	2 years	£984	COMPARE
Potterton Assure 25kW Combi Gas Boiler COMPARE	25kw	93%	2 years	£620	COMPARE
Potterton Assure 30kW Combi Gas Boiler COMPARE	30kw	93%	2 years	£732	COMPARE
Potterton Assure 15kW System Gas Boiler COMPARE	15kw	93%	2 years	£859	COMPARE
Potterton Assure 18kW System Gas Boiler COMPARE	18kw	93%	2 years	£891	COMPARE
Potterton Assure Heat 13kW Regular Gas Boiler COMPARE	13kw	93%	2 years	£854	COMPARE
Potterton Assure Heat 16kW Regular Gas Boiler COMPARE	16kw	93%	2 years	£948	COMPARE
Potterton Assure Heat 19kW Regular Gas Boiler COMPARE	19kw	93%	2 years	£1023	COMPARE
Potterton Assure Heat 25kW Regular Gas Boiler COMPARE	25kw	93%	2 years	£1147	COMPARE
Potterton Assure Heat 30kW Regular Gas Boiler COMPARE	30kw	93%	2 years	£1342	COMPARE
Potterton Assure 36kW Combi Gas Boiler COMPARE	36kw	93%	2 years	£0	COMPARE
Potterton Gold 18kW System Gas Boiler COMPARE	18kw	89%	2 years	£635	COMPARE
Potterton Gold 24kW System Gas Boiler COMPARE	24kw	89%	2 years	£676	COMPARE
Potterton Gold 28kW System Gas Boiler COMPARE	28kw	89%	2 years	£0	COMPARE
Potterton Titanium 12kW Regular Gas Boiler COMPARE	12kw	88%	7 years	£0	COMPARE
Potterton Titanium 15kW Regular Gas Boiler COMPARE	15kw	87.9%	7 years	£0	COMPARE
Potterton Titanium 18kW Regular Gas Boiler COMPARE	18kw	87.8%	7 years	£780	COMPARE
Potterton Titanium 24kW Regular Gas Boiler COMPARE	24kw	87.5%	7 years	£0	COMPARE
Potterton Titanium 30kW Regular Gas Boiler COMPARE	30kw	87.5%	7 years	£840	COMPARE
Potterton Assure 24kW System Gas Boiler COMPARE	24kw	93%	2 years	£0	COMPARE
Potterton Assure 12kW System Gas Boiler COMPARE	12kw	92%	2 years	£0	COMPARE

Ravenheat

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ravenheat CSI 120 32kW Combi Gas Boiler COMPARE	32kw	90.6%	3 years	£1905	COMPARE
Ravenheat CSI 150 28kW Combi Gas Boiler COMPARE	28kw	88.90%	3 years	£985	COMPARE
Ravenheat CSI 85 Combi Gas Boiler COMPARE	22.3kw	86.9%	3 years	£590	COMPARE
Ravenheat WH80 25kW Combi Gas Boiler COMPARE	25kw	90.3%	5 years	£525	COMPARE
Ravenheat WH90 30kW Combi Gas Boiler COMPARE	25kw	90.3%	5 years	£525	COMPARE
Ravenheat WH100 Combi Gas Boiler COMPARE	26kw	90.3%	5 years	£599	COMPARE
Ravenheat WH130 29kW Combi Gas Boiler COMPARE	29kw	90.3%	5 years	£643	COMPARE
Ravenheat CSI Primary AAA 25kW Combi Gas Boiler COMPARE	25kw	90.1%	3 years	£645	COMPARE
Ravenheat CSI 120 25kW Combi Gas Boiler COMPARE	25kw	92%	3 years	£550	COMPARE
Ravenheat CSI 150 Combi Gas Boiler COMPARE	28kw	90.6%	3 years	£603	COMPARE
Ravenheat Combi Plus 32kW Gas Boiler COMPARE	32kw	90.7%	3 years	£1905	COMPARE
Ravenheat Combi Plus 42kW Gas Boiler COMPARE	42kw	90.37	3 years	£1519	COMPARE
Ravenheat Combi Store 32kW Gas Boiler COMPARE	32kw	90.7%	3 years	£1314	COMPARE
Ravenheat Combi Store 42kW Gas Boiler COMPARE	42kw	90.7%	3 years	£1558	COMPARE
Ravenheat CSI Primary 25kW Regular Gas Boiler COMPARE	25kw	90.2%	3 years	£636	COMPARE
Ravenheat HE 42 42kW Combi Gas Boiler COMPARE	42kw	90.6%	3 years	£1444	COMPARE
Ravenheat WH System 4-24 26kW Gas Boiler COMPARE	26kw	90.3%	5 years	£579	COMPARE
Ravenheat HE80 25kW Combi Gas Boiler COMPARE	25kw	90.3%	5 years	£957	COMPARE
Ravenheat HE98 30kW Combi Gas Boiler COMPARE	30kw	90.3%	5 years	£800	COMPARE
Ravenheat CS System 4-24 26kW Gas Boiler COMPARE	26kw	90.3%	2 years	£579	COMPARE
Ravenheat CS80 25kW Combi Gas Boiler COMPARE	25kw	90.3%	2 years	£545	COMPARE
Ravenheat CS90 30kW Combi Gas Boiler COMPARE	30kw	90.3%	2 years	£593	COMPARE
Ravenheat HE98S 30kW Combi Gas Boiler COMPARE	31kw	88.9%	5 year	£750	COMPARE
Ravenheat HE30S 31kW Combi Gas Boiler COMPARE	31kw	92%	7 years	£0	COMPARE
Ravenheat CS System 3- 20 26kW Gas Boiler COMPARE	20kw	92%	2 years	£0	COMPARE

Vaillant

Boiler Model	kW	Efficiency	Warranty	Typical Price
Vaillant ecoTEC plus 825 Combi Gas Boiler COMPARE	25kw	89.3%	5 years	£1025	COMPARE
Vaillant ecoTEC exclusive 832 Combi Gas Boiler COMPARE	32kw	89.3%	3 years	£1200	COMPARE
Vaillant ecoTEC plus 435 35kW Regular Gas Boiler COMPARE	35kw	89.20%	5 years	£1500	COMPARE
Vaillant ecoTEC plus 415 15kW Regular Gas Boiler COMPARE	15kw	88.70%	5 years	£790	COMPARE
Vaillant ecoTEC Pro 28 kW Combi Gas Boiler COMPARE	28kw	89.3%	2 years	£990	COMPARE
Vaillant ecoTec plus 937 Combi Gas Boiler COMPARE	37kw	89.3.%	5 years	£1500	COMPARE
Vaillant ecoTec plus 612 System Gas Boiler COMPARE	12kw	89.0%	5 years	£850	COMPARE
Vaillant ecoTec plus 615 System Gas Boiler COMPARE	15kw	89%	5 years	£965	COMPARE
Vaillant ecoTec plus 618 System Gas Boiler COMPARE	18kw	89.3%	5 years	£965	COMPARE
Vaillant ecoTec plus 624 System Gas Boiler COMPARE	24kw	89.4%	5 years	£1005	COMPARE
Vaillant ecoTec plus 630 System Gas Boiler COMPARE	30kw	89.4%	5 years	£1150	COMPARE
Vaillant ecoTec plus 637 System Gas Boiler COMPARE	37kw	89.2%	5 years	£1250	COMPARE
Vaillant EcoTEC Exclusive 32kW Combi Gas Boiler COMPARE	32kw	89.8%	5 years	£1395	COMPARE
Vaillant EcoTEC Exclusive Green IQ 835 Combi Gas Boiler COMPARE	35kw	94%	5 years	£1195	COMPARE
Vaillant ecoTEC Pro 30kW combi Gas boiler COMPARE	30kw	89.3%	2 years	£950	COMPARE
Vaillant EcoFIt sustain 825 Combi Gas Boiler COMPARE	25kw	89.3%	5 years	£1250	COMPARE
Vaillant EcoFIt sustain 830 Combi Gas Boiler COMPARE	30kw	89.3%	5 years	£1500	COMPARE
Vaillant EcoFIt sustain 835 Combi Gas Boiler COMPARE	35kw	89.3%	5 years	£1300	COMPARE
Vaillant ecoFIT pure 612 system Gas boiler COMPARE	12kw	89.3%	5 years	£925	COMPARE
Vaillant ecoFIT pure 615 system Gas boiler COMPARE	15kw	89.1%	5 years	£915	COMPARE
Vaillant ecoFIT pure 618 system Gas boiler COMPARE	18kw	89%	5 years	£975	COMPARE