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(18)
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(11)
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(5)
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(16)
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(13)
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(12)
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(24)
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Clear search

ACV

Boiler Model	kW	Efficiency	Warranty	Typical Price
ACV E-Tech W 15kW Mono System Electric Boiler COMPARE	15kw	37%	1 year	£1128	COMPARE
ACV E-Tech W 15kW Tri Electric Boiler COMPARE	15kw	37%	1 year	£1160	COMPARE
ACV E-Tech W 22kW Tri Electric Boiler COMPARE	22kw	37%	1 year	£1310	COMPARE
ACV E-Tech W 28kW Tri Electric Boiler COMPARE	28kw	37%	1 year	£1560	COMPARE
ACV E-Tech W 36kW Tri Electric Boiler COMPARE	36kw	37%	1 year	£1810	COMPARE

Alpha

Boiler Model	kW	Efficiency	Warranty	Typical Price
Alpha CD28S System Gas Boiler COMPARE	28kw	88.80%	3 years	£840	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 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 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

Ariston

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ariston GENUS HE 24 System Gas Boiler COMPARE	24kw	90.3%	1 year	£571	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 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

ATAG

Boiler Model	kW	Efficiency	Warranty	Typical Price
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

Baxi

Boiler Model	kW	Efficiency	Warranty	Typical Price
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 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 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

Biasi

Boiler Model	kW	Efficiency	Warranty	Typical Price
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 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 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

Electric Heating Company

Boiler Model	kW	Efficiency	Warranty	Typical Price
Electric Heating Company Fusion Comet 6kW System Electric Boiler COMPARE	6kw	100%	2 years	£1150	COMPARE
Electric Heating Company Fusion Comet System Electric Boiler 9kW COMPARE	9kw	100%	2 years	£1200	COMPARE
Electric Heating Company Fusion Comet System Electric Boiler 12kW COMPARE	12kw	100%	2 years	£1200	COMPARE
Electric Heating Company Fusion Comet System Electric Boiler 14.4kW COMPARE	14.4kw	100%	2 years	£1250	COMPARE
Electric Heating Company Fusion Comet System Electric Boiler 24kW COMPARE	24kw	100%	2 years	£0	COMPARE
Electric Heating Company SlimJim Electric Flow Boiler 4kW COMPARE	4kw	100%	2 years	£0	COMPARE
Electric Heating Company SlimJim Electric Flow Boiler 7kW COMPARE	7kw	100%	2 years	£0	COMPARE
Electric Heating Company SlimJim Electric Flow Boiler 10kW COMPARE	10kw	100%	2 years	£0	COMPARE
Electric Heating Company SlimJim Electric Flow Boiler 12kW COMPARE	12kw	100%	2 years	£0	COMPARE
Electric Heating Company SlimJim Electric Flow Boiler 14.4kW COMPARE	14.4kw	100%	2 years	£0	COMPARE
Electric Heating Company Fusion Electric System Boiler 36kW COMPARE	36kw	100%	2 years	£0	COMPARE
Electric Heating Company Fusion Electric System Boiler 48kW COMPARE	48kw	100%	2 years	£0	COMPARE

ELNUR

Boiler Model	kW	Efficiency	Warranty	Typical Price
ELNUR Mattira 3kW System Electric Boiler COMPARE	3kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 5kW System Electric Boiler COMPARE	5kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 6kW System Electric Boiler COMPARE	6kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 8kW System Electric Boiler COMPARE	8kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 9kW System Electric Boiler COMPARE	9kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 10kW System Electric Boiler COMPARE	10kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 11kW System Electric Boiler COMPARE	11kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 12kW System Electric Boiler COMPARE	12kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 13kW System Electric Boiler COMPARE	13kw	36.4%	5 years	£0	COMPARE
ELNUR Mattira 15kW System Electric Boiler COMPARE	15kw	36.4%	5 years	£0	COMPARE

Ferroli

Boiler Model	kW	Efficiency	Warranty	Typical Price
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 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 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
Ferroli LEB 6.0 TS 6kW Electric Boiler COMPARE	6kw	99.5%	2 years	£0	COMPARE
Ferroli LEB 7.5 TS 7.5kW Electric Boiler COMPARE	7.5kw	99.5%	2 years	£0	COMPARE
Ferroli LEB 9.0 TS 9kW Electric Boiler COMPARE	9kw	99.5%	2 years	£0	COMPARE
Ferroli LEB 12.0 TS 12kW Electric Boiler COMPARE	12kw	99.5%	2 years	£0	COMPARE

Firebird

Boiler Model	kW	Efficiency	Warranty	Typical Price
Firebird Envirolite Utility Internal 35kW Regular Oil Boiler COMPARE	35kw	92%	2 years	£2200	COMPARE
Firebird Envirolite System Internal 35kW Oil Boiler COMPARE	35kw	93%	2 years	£1905	COMPARE
Firebird Enviroblue Kitchen System Internal 20kW Oil Boiler COMPARE	20kw	93%	2 years	£1250	COMPARE
Firebird Enviroblue Kitchen System Internal 26kW Oil Boiler COMPARE	26kw	93%	2 years	£1450	COMPARE
Firebird Enviroblue Kitchen System Internal 35kW Oil Boiler COMPARE	35kw	93%	2 years	£2000	COMPARE
Firebird Enviromax C20 Internal 20kW System Oil Boiler COMPARE	20kw	94.8%	2 years	£1555	COMPARE
Firebird Enviromax C26 Internal 26kW System Oil Boiler COMPARE	26kw	94.8%	2 years	£0	COMPARE
Firebird Eviromax C35 Internal 35kW System Oil Boiler COMPARE	35kw	94.4%	2 years	£1945	COMPARE
Firebird Eviromax C44 Internal 44kW System Oil Boiler COMPARE	44kw	93.8%	2 years	£2205	COMPARE
Firebird Enviroblue SystemPac C26 External 26kW System Oil Boiler COMPARE	26kw	94.8%	2 years	£0	COMPARE
Firebird Enviroblue SystemPac C20 External 20kW System Oil Boiler COMPARE	20kw	94.8%	2 years	£0	COMPARE
Firebird Enviroblue SystemPac C35 External 35kW System Oil Boiler COMPARE	35kw	94.4%	2 years	£0	COMPARE
Firebird Enviroblue Slimline SystemPac C20 External System Oil Boiler COMPARE	20kw	93%	2 years	£0	COMPARE
Firebird Enviroblue Slimline SystemPac C26 Ext. 26kW System Oil Boiler COMPARE	26kw	93%	2 years	£0	COMPARE
Firebird Enviroblue Slimline SystemPac C35 External System Oil Boiler COMPARE	35kw	92%	2 years	£0	COMPARE
Firebird Envirogreen System C20 Internal Oil Boiler COMPARE	20kw	92.5%	2 years	£0	COMPARE
Firebird Envirogreen System C26 Internal Oil Boiler COMPARE	26kw	92.6%	2 years	£0	COMPARE
Firebird Envirogreen System C35 Internal Oil Boiler COMPARE	35kw	92.6%	2 years	£0	COMPARE
Firebird Envirogreen System C44 Internal Oil Boiler COMPARE	44kw	93.8%	2 years	£0	COMPARE
Firebird Envirogreen Systempac C20 External Oil Boiler COMPARE	20kw	92.5%	2 years	£0	COMPARE
Firebird Envirogreen Systempac C26 Exteranl Oil Boiler COMPARE	26kw	92.6%	2 years	£0	COMPARE
Firebird Envirogreen Systempac C35 External Oil Boiler COMPARE	35kw	92.6%	2 years	£0	COMPARE
Firebird Envirogreen Systempac C44 External Oil Boiler COMPARE	44kw	93.8%	2 years	£0	COMPARE
Firebird Envirogreen Slimline Systempac C20 External Oil Boiler COMPARE	20kw	92.5%	2 years	£0	COMPARE
Firebird Envirogreen Slimline Systempac C26 External Oil Boiler COMPARE	44kw	92.6%	2 years	£0	COMPARE
Firebird Envirogreen Slimline Systempac C35 External Oil Boiler COMPARE	35kw	92.6%	2 years	£0	COMPARE

Glow-worm

Boiler Model	kW	Efficiency	Warranty	Typical Price
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 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

Grant

Boiler Model	kW	Efficiency	Warranty	Typical Price
Grant VortexBlue Kitchen/Utility 21kW System Oil Boiler COMPARE	21kw	90.8%	2 years	£1335	COMPARE
Grant VortexBlue Kitchen/Utility 26kW System Oil Boiler COMPARE	26kw	91.7%	2 years	£2145	COMPARE
Grant Vortex Eco Utility 21kW System Oil Boiler COMPARE	21kw	92.7%	2 years	£1310	COMPARE
Grant Vortex Eco Utility 26kW System Oil Boiler COMPARE	26kw	91.7%	2 years	£1763	COMPARE
Grant Vortex Eco Utility 35kW System Oil Boiler COMPARE	35kw	92.4%	2 years	£1875	COMPARE
Grant Vortex Eco Wall Hung 16kW System Oil Boiler COMPARE	16kw	90.1%	2 years	£1475	COMPARE
Grant Vortex Eco Wall Hung 21kW System Oil Boiler COMPARE	21kw	90.5%	2 years	£2015	COMPARE
Grant Vortex Eco External System Module 21kW Oil Boiler COMPARE	21kw	90.3%	2 years	£1685	COMPARE
Grant Vortex Eco External System Module 26kW Oil Boiler COMPARE	26kw	90.3%	2 years	£1785	COMPARE
Grant Vortex Eco External System Module 35kW Oil Boiler COMPARE	35kw	90.8%	2 years	£1995	COMPARE
Grant Vortex Pro Kitchen/Utility 26kW System Oil Boiler COMPARE	26kw	91.7%	2 years	£1595	COMPARE
Grant VortexBlue Kitchen/Utility 36kW System Oil Boiler COMPARE	36kw	94.5%	2 years	£2075	COMPARE
Grant Vortex Eco Wall Hung External 16kW System Oil Boiler COMPARE	16kw	90.1%	2 years	£1925	COMPARE
Grant Vortex Eco Wall Hung External 21kW System Oil Boiler COMPARE	21kw	90.5%	2 years	£2045	COMPARE
Grant Vortex Pro Kitchen/Utility 46kW System Oil Boiler COMPARE	46kw	90%	2 years	£2055	COMPARE

Heatrae Sadia

Boiler Model	kW	Efficiency	Warranty	Typical Price
Heatrae Sadia Amptec 4kW Electric Boiler COMPARE	4kw	37%	2 years	£0	COMPARE
Heatrae Sadia Amptec 6kW Electric Boiler COMPARE	6kw	37%	2 years	£0	COMPARE
Heatrae Sadia Amptec 9kW Electric Boiler COMPARE	9kw	37%	2 years	£0	COMPARE
Heatrae Sadia Amptec 11kW Electric Boiler COMPARE	11kw	37%	2 years	£0	COMPARE
Heatrae Sadia Amptec 12kW Electric Boiler COMPARE	12kw	37%	2 years	£0	COMPARE
Heatrae Sadia Electromax 6kW Electric Boiler COMPARE	6kw	37.9%	10 years	£0	COMPARE
Heatrae Sadia Electromax 9kW Electric Boiler COMPARE	9kw	37.9%	10 years	£0	COMPARE

Ideal

Boiler Model	kW	Efficiency	Warranty	Typical Price
Ideal Logic System 15kW Gas Boiler COMPARE	15kw	89.30%	7 years	£700	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 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 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 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 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

Intergas

Boiler Model	kW	Efficiency	Warranty	Typical Price
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

Johnson and Starley

Boiler Model	kW	Efficiency	Warranty	Typical Price
Johnson and Starley QuanTec 24s System 24kW Oil Boiler COMPARE	24kw	89.6%	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

Main

Boiler Model	kW	Efficiency	Warranty	Typical Price
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 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

Mistral

Boiler Model	kW	Efficiency	Warranty	Typical Price
Mistral Sealed System CS1 20kW Oil Boiler COMPARE	20kw	92%	2 yr. parts - 5 yr. heat exch	£2300	COMPARE
Mistral Sealed System CS2 26kW Oil Boiler COMPARE	26kw	92%	2 yr. parts - 5 yr. heat exch	£2370	COMPARE
Mistral Sealed System S1 20kW Oil Boiler COMPARE	20kw	87%	2 yr. parts - 5 yr. heat exch	£1320	COMPARE
Mistral Sealed System S2 26kW Oil Boiler COMPARE	26kw	87%	2 yr. parts - 5 yr. heat exch	£1380	COMPARE
Mistral Sealed System S3 35kW Oil Boiler COMPARE	35kw	87%	2 yr. parts - 5 yr. heat exch	£1500	COMPARE
Mistral Sealed System S4 41kW Oil Boiler COMPARE	41kw	87%	2 yr. parts - 5 yr. heat exch	£1680	COMPARE
Mistral Outdoor Sealed System OD SS1 20kW Oil Boiler COMPARE	20kw	87%	2 yr. parts - 5 yr. heat exch	£1500	COMPARE
Mistral Outdoor Sealed System OD SS2 26kW Oil Boiler COMPARE	26kw	87%	2 yr. parts - 5 yr. heat exch	£1590	COMPARE
Mistral Outdoor Sealed System OD SS4 41kW Oil Boiler COMPARE	41kw	87%	2 yr. parts - 5 yr. heat exch	£1920	COMPARE
Mistral Sealed System CS3 35kW Oil Boiler COMPARE	35kw	92%	2 yr. parts - 5 yr. heat exch	£2700	COMPARE
Mistral Sealed System CS4 41kW Oil Boiler COMPARE	41kw	93%	2 yr. parts - 5 yr. heat exch	£3200	COMPARE
Mistral Outdoor Sealed System COD SS1 20kW Oil Boiler COMPARE	20kw	92%	2 yr. parts - 5 yr. heat exch	£1605	COMPARE
Mistral Outdoor Sealed System COD SS2 26kW Oil Boiler COMPARE	26kw	92%	2 yr. parts - 5 yr. heat exch	£1680	COMPARE
Mistral Outdoor Sealed System COD SS3 35kW Oil Boiler COMPARE	35kw	92%	2 yr. parts - 5 yr. heat exch	£2040	COMPARE
Mistral Outdoor Sealed System COD SS4 41kW Oil Boiler COMPARE	41kw	90%	2 yr. parts - 5 yr. heat exch	£2160	COMPARE

Navien

Boiler Model	kW	Efficiency	Warranty	Typical Price
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
Navien LCB700 21kW Internal System Oil Boiler COMPARE	21kw	93%	10 years	£0	COMPARE
Navien LCB700 28kW Internal System Oil Boiler COMPARE	28kw	93%	10 years	£0	COMPARE
Navien LCB700 36kW Internal System Oil Boiler COMPARE	36kw	93%	10 years	£0	COMPARE
Navien LCB700 21kW External System Oil Boiler COMPARE	21kw	93%	10 years	£0	COMPARE
Navien LCB700 28kW External System Oil Boiler COMPARE	28kw	93%	10 years	£0	COMPARE
Navien LCB700 36kW External System Oil Boiler COMPARE	36kw	93%	10 years	£0	COMPARE

Potterton

Boiler Model	kW	Efficiency	Warranty	Typical Price
Potterton Promax System HE Plus A 12kW Gas Boiler COMPARE	12kw	91.10%	2 years	£930	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 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 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 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 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 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 WH System 4-24 26kW Gas Boiler COMPARE	26kw	90.3%	5 years	£579	COMPARE
Ravenheat CS System 4-24 26kW Gas Boiler COMPARE	26kw	90.3%	2 years	£579	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 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 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
Vaillant ecoFIT pure 625 system Gas boiler COMPARE	25kw	89%	5 years	£1175	COMPARE
Vaillant ecoFIT pure 630 system Gas boiler COMPARE	30kw	89.3%	5 years	£1256	COMPARE
Vaillant ecoTEC exclusive Green iQ 627 System Gas Boiler COMPARE	27kw	94%	7 years	£1100	COMPARE
Vaillant EcoTEC 65kW System Gas Boiler COMPARE	65kw	95.5%	2 years	£1500	COMPARE
Vaillant EcoTEC 46kW System Gas Boiler COMPARE	46kw	95.8%	2 years	£2400	COMPARE
Vaillant EcoTEC Plus 64kW System Gas Boiler COMPARE	64kw	94%	5 years	£1500	COMPARE
Vaillant Home 12kW System Gas Boiler COMPARE	12kw	89.4%	2 years	£2090	COMPARE
Vaillant Home 15kW System Gas Boiler COMPARE	15kw	89.4%	2 years	£0	COMPARE
Vaillant Home 18kW System Gas Boiler COMPARE	18kw	89.4%	2 years	£0	COMPARE
Vaillant Home 25kW System Gas Boiler COMPARE	25kw	89.4%	2 years	£825	COMPARE

Viessmann

Boiler Model	kW	Efficiency	Warranty	Typical Price
Viessmann B2HB Vitodens 200-W 30kW System Gas Boiler COMPARE	30kw	89.1%	3 - 5 years	£1480	COMPARE
Viessmann B1HC Vitodens 100-W 19kW System Gas Boiler COMPARE	19kw	89.2%	5 years	£995	COMPARE
Viessmann B1HC Vitodens 100-W 26kW System Gas Boiler COMPARE	26kw	89.4%	5 years	£995	COMPARE
Viessmann B1HC Vitodens 100-W 30kW System Gas Boiler COMPARE	30kw	89%	5 years	£1100	COMPARE
Viessmann B1HC Vitodens 100-W 35kW System Gas Boiler COMPARE	35kw	89.4%	5 years	£1175	COMPARE
Viessmann B2HB Vitodens 200-W 19kW System Gas Boiler COMPARE	19kw	89%	3 - 5 years	£1250	COMPARE
Viessmann B2HB Vitodens 200-W 26kW System Gas Boiler COMPARE	26kw	89.1%	5 years	£1375	COMPARE
Viessmann B2HB Vitodens 200-W 35kW System Gas Boiler COMPARE	35kw	89.2%	3 - 5 years	£1300	COMPARE
Viessmann Vitorondens 200-T 20kW System Oil Boiler COMPARE	20kw	97%	10 years	£0	COMPARE
Viessmann Vitorondens 200-T 24kW System Oil Boiler COMPARE	24kw	97%	10 years	£0	COMPARE
Viessmann Vitorondens 200-T 28kW System Oil Boiler COMPARE	28kw	97%	10 years	£0	COMPARE
Viessmann Vitorondens 200-T 35kW System Oil Boiler COMPARE	35kw	97%	10 years	£0	COMPARE
Viessmann Vitorondens 200-T 42kW System Oil Boiler COMPARE	42kw	97%	10 years	£0	COMPARE
Viessmann Vitorondens 200-T 53kW System Oil Boiler COMPARE	53kw	97%	10 years	£0	COMPARE

Vokera

Boiler Model	kW	Efficiency	Warranty	Typical Price
Vokera Mynute i20 System Gas Boiler COMPARE	20kw	89.5%	5 years	£550	COMPARE
Vokera Mynute i30 System Gas Boiler COMPARE	30kw	89.1%	5 years	£620	COMPARE
Vokera Mynute 35HE System Gas Boiler COMPARE	35kw	88.8%	2 years	£740	COMPARE
Vokera Vision 20s System Gas Boiler COMPARE	20kw	89%	5-7 years	£575	COMPARE
Vokera Vision 25s System Gas Boiler COMPARE	25kw	89.1%	5-7 years	£615	COMPARE
Vokera Verve i50 System Gas Boiler COMPARE	44kw	90%	2 years	£1900	COMPARE
Vokera Evolve S 18kW System Gas Boiler COMPARE	18kw	94%	7 years	£442	COMPARE
Vokera Evolve S 24kW System Gas Boiler COMPARE	24kw	94%	7 years	£509	COMPARE
Vokera Evolve S 30kW System Gas Boiler COMPARE	30kw	94%	7 years	£638	COMPARE
Vokera Evolve S 35kW System Gas Boiler COMPARE	35kw	94%	7 years	£684	COMPARE

Warmflow

Boiler Model	kW	Efficiency	Warranty	Typical Price
Warmflow Kabin Pak KS70HE System 21kW Oil Boiler COMPARE	21kw	90.7%	2 years	£1417	COMPARE
Warmflow Kabin Pak KS90HE System 26kW Oil boiler COMPARE	26kw	90.8%	2 years	£1650	COMPARE
Warmflow Kabin Pak KS120HE System 33kW Oil boiler COMPARE	33kw	90.7%	2 years	£1650	COMPARE
Warmflow Utility US70HE System 21kW Oil Boilers COMPARE	21kw	90.7%	5 years	£1175	COMPARE
Warmflow Utility US90HE System 26kW Oil boiler COMPARE	26kw	90.8%	5 years	£1585	COMPARE
Warmflow Utility US120HE System 33kW Oil boilers COMPARE	33kw	90.7%	5 years	£1510	COMPARE

Worcester Bosch

Boiler Model	kW	Efficiency	Warranty	Typical Price
Worcester Bosch Camray Utility 32 System Oil Boiler COMPARE	32kw	94.2	5 years	£2030	COMPARE
Worcester Bosch Camray Utility 25 System Oil Boiler COMPARE	25kw	93.2	5 years	£1608	COMPARE
Worcester Bosch Greenstar Danesmoor Utility 18 System Oil Boiler COMPARE	18 kw	91%	2 years	£1725	COMPARE
Worcester Bosch Greenstar 30CDi Classic System Gas Boiler COMPARE	30 kw	92%	2 years	£1155	COMPARE
Worcester Bosch Greenstar 24i System Gas Boiler COMPARE	24kw	94%	2 years	£995	COMPARE
Worcester Bosch Greenstar 12i System Gas Boiler COMPARE	12kw	94%	2 years	£850	COMPARE
Worcester Bosch Greenstar 9i System Gas Boiler COMPARE	9kw	93%	5 years	£808	COMPARE
Worcester Bosch Greenstar 15i System Gas Boiler COMPARE	15kw	94%	5 years	£870	COMPARE
Worcester Bosch Greenstar 18i System Gas Boiler COMPARE	18kw	94%	5 years	£924	COMPARE
Worcester Bosch Greenstar 21i System Gas Boiler COMPARE	21kw	94%	5 years	£982	COMPARE
Worcester Bosch Greenstar 27i System Gas Boiler COMPARE	27kw	92%	5 years	£981	COMPARE
Worcester Bosch Greenstar 30i System Gas Boiler COMPARE	30kw	92%	5 years	£1112	COMPARE
Worcester Bosch Greenstar 35CDi Classic System Gas Boiler COMPARE	35kw	92%	2 years	£1187	COMPARE
Worcester Bosch GB162 50kW System Gas Boiler COMPARE	50kw	92%	2 years	£1918	COMPARE
Worcester Bosch GB162 65kW System Gas Boiler COMPARE	65kw	93%	2 years	£2364	COMPARE
Worcester Bosch Greenstar Danesmoor 18 System Oil Boiler COMPARE	18kw	91%	2 years	£1340	COMPARE
Worcester Bosch Greenstar Danesmoor 25 System Oil Boiler COMPARE	25kw	90%	2 years	£2000	COMPARE
Worcester Bosch Greenstar Danesmoor 32 System Oil Boiler COMPARE	32kw	91%	2 years	£2000	COMPARE
Worcester Bosch Greenstar Danesmoor Utility 25 System Oil Boiler COMPARE	25kw	90%	2 years	£1600	COMPARE
Worcester Bosch Greenstar Danesmoor Utility 32 System Oil Boiler COMPARE	32kw	91%	2 years	£2100	COMPARE
Worcester Bosch Greenstar Danesmoor External 18 System Oil Boiler COMPARE	18kw	91%	2 years	£2100	COMPARE
Worcester Bosch Greenstar Danesmoor External 25 System Oil Boiler COMPARE	25kw	90%	2 years	£2325	COMPARE
Worcester Bosch Greenstar Danesmoor External 32 System Oil Boiler COMPARE	32kw	91%	2 years	£2400	COMPARE
Worcester Bosch Greenstar 8000 Style 30kW System Gas Boiler COMPARE	30kw	94%	5 years	£0	COMPARE
Worcester Bosch Greenstar 8000 Style 35kW System Gas boiler COMPARE	35kw	94%	5 years	£0	COMPARE
Worcester Bosch Greenstar 8000 Life 30kW System Gas Boiler COMPARE	30kw	94%	5 years	£0	COMPARE
Worcester Bosch Greenstar 8000 Life 35kW System Gas Boiler COMPARE	35kw	94%	5 years	£0	COMPARE

Zanussi

Boiler Model	kW	Efficiency	Warranty	Typical Price
Zanussi Ultra System 15kW Gas Boiler COMPARE	12kw	89.3%	2 - 10 years	£0	COMPARE
Zanussi Ultra System 18kW Gas Boiler COMPARE	18kw	92%	2 - 10 years	£0	COMPARE
Zanussi Ultra System 24kW Gas Boiler COMPARE	24kw	93%	2 - 10 years	£0	COMPARE
Zanussi Ultra System 30kW Gas Boiler COMPARE	30kw	89.6%	2 - 10 years	£0	COMPARE

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