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Excellent 4.8 out of 5
Excellent 4.8 out of 5

Compare Oil Combi Boilers

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Firebird

Boiler Model kW Efficiency Warranty Typical Price

Available

Firebird Envirogreen Combipac HE C20 External Oil Boiler 20kw 93% 2 years £2,275 VIEW
Firebird Envirogreen Combipac HE C26 External Oil Boiler 26kw 93% 2 years £2,200 VIEW
Firebird Envirogreen Combipac HE C35 External Oil Boiler 35kw 93% 2 years £2,600 VIEW
Firebird Envirogreen HE C20 Internal Combi Oil Boiler 20kw 93% 2 years £2,150 VIEW
Firebird Envirogreen HE C26 Internal Combi Oil Boiler 26kw 93% 2 years £2,250 VIEW
Firebird Envirogreen HE C35 Internal Combi Oil Boiler 35kw 93% 2 years £2,359 VIEW
Firebird Envirogreen Slimline Combi C20 Internal Oil Boiler 20kw 93% 2 years £2,150 VIEW
Firebird Envirogreen Slimline Combi C26 Internal Oil Boiler 26kw 93% 2 years £2,200 VIEW
Firebird Envirogreen Slimline Combi C35 Internal Oil Boiler 35kw 93% 2 years £2,425 VIEW
Firebird Enviromax HEC20 Combi Internal 20kW Oil Boiler 20kw 90.7% 2 years £1,570 VIEW
Firebird Enviromax HEC26 Combi Internal 26kW Oil Boiler 26kw 90.7% 2 years £1,655 VIEW
Firebird Enviromax HEC35 Combi Internal 35kW Oil Boiler 35kw 90.7% 2 years £1,965 VIEW
Firebird Enviromax Combi-Pac External 20kW Oil Boiler 20kw 91.1% 2 years £1,800 VIEW
Firebird Enviromax Combi-Pac External 26kW Oil Boiler 26kw 91.1% 2 years £2,100 VIEW
Firebird Enviromax Combi-Pac External 35kW Oil Boiler 35kw 90.7% 2 years £2,525 VIEW
Firebird Enviromax Combi Slimline Internal 20kW Oil Boiler 20kw 91.1% 2 years £1,965 VIEW
Firebird Enviromax Combi Slimline Internal 26kW Oil Boiler 26kw 91.3% 2 years £2,000 VIEW
Firebird Enviromax Combi Slimline Internal 35kW Oil Boiler 35kw 91.3% 2 years £2,380 VIEW
Firebird Enviroblue HEC20 Combi Internal 20kW Oil Boiler 20kw 93% 2 years £2,400 VIEW
Firebird Enviroblue HEC26 Combi Internal 26kW Oil Boiler 26kw 93% 2 years £1,500 VIEW
Firebird Enviroblue HEC35 Combi Internal 35kW Oil Boiler 35kw 92% 2 years £2,450 VIEW
Firebird Enviroblue Slimline Combi Internal 20kW Oil Boiler 20kw 93% 2 years £2,095 VIEW
Firebird Enviroblue Slimline Combi Internal 26kW Oil Boiler 26kw 93% 2 years £2,100 VIEW
Firebird Enviroblue Slimline Combi Internal 35kW Oil Boiler 35kw 92% 2 years £2,400 VIEW
Firebird Enviroblue Combi-Pac External 20kW Oil Boiler 20kw 93% 2 years £1,300 VIEW
Firebird Enviroblue Combi-Pac External 26kW Oil Boiler 26kw 93% 2 years £1,600 VIEW
Firebird Enviroblue Combi-Pac External 35kW Oil Boiler 35kw 92% 2 years £1,900 VIEW

Grant

Boiler Model kW Efficiency Warranty Typical Price
Grant VortexBlue Internal 21kW Combi Oil Boiler 21kw 90.8% 2 years £2,330 VIEW
Grant VortexBlue Internal 26kW Combi Oil Boiler 26kw 91.7% 2 years £2,750 VIEW
Grant VortexBlue Internal 36kW Combi Oil Boiler 36kw 94.5% 2 years £2,500 VIEW
Grant VortexBlue External 21kW Combi Oil Boiler 21kw 90.8% 2 years £2,185 VIEW
Grant VortexBlue External 26kW Combi Oil Boiler 26kw 91.7% 2 years £2,325 VIEW
Grant VortexBlue External 36kW Combi Oil Boiler 36kw 94.5% 2 years £3,105 VIEW
Grant Vortex Pro Internal Combi 21kW Oil Boiler 21kw 90.8% 2 years £2,175 VIEW
Grant Vortex Pro Internal Combi 26kW Oil Boiler 26kw 89.5% 2 years £2,340 VIEW
Grant Vortex Pro Internal Combi 36kW Oil Boiler 26kw 94.5% 2 years £2,985 VIEW
Grant Vortex Pro Combi XS Compact 26kW Oil Boiler 26kw 90% 2 years £2,325 VIEW
Grant Vortex Pro Combi External 21kW Oil Boiler 21kw 90.8% 2 years £2,185 VIEW
Grant Vortex Pro Combi External 26kW Oil Boiler 26kw 91.7% 2 years £2,295 VIEW
Grant Vortex Pro Combi External 36kW Oil Boiler 36kw 94.5% 2 years £2,600 VIEW

Mistral

Boiler Model kW Efficiency Warranty Typical Price

Best Sellers

Mistral Combi Standard CC1 20kW Oil Boiler 20kw 92% 2 years £1,920 VIEW
Mistral Combi Standard CC2 26kW Oil Boiler 26kw 92% 2 years £1,980 VIEW
Mistral Combi Standard CC3 35kW Oil Boiler 35kw 92% 2 years £2,160 VIEW
Mistral Combi CC4 Plus 41kW Oil Boiler 41kw 92% 2 years £2,700 VIEW
Mistral Mega Combi Plus CMC5 Plus 50kW Oil Boiler 50kw 90% 2 years £3,660 VIEW
Mistral Mega Combi Plus CMC7 Plus 70kW Oil Boiler 70kw 90% 2 years £4,020 VIEW
Mistral Mega Combi Plus CMC6 Plus 58kW Oil Boiler 58kw 90% 5 years £3,840 VIEW
Mistral Combi Standard CC4 41kW Oil Boiler 41kw 92% 2 years £2,400 VIEW
Mistral Mega Combi Standard CMC6 58kW Oil Boiler 58kw 90% 2 years £3,540 VIEW
Mistral Combi CC1 Plus 20kW Oil Boiler 20kw 90% 2 years £2,100 VIEW
Mistral Mega Combi Standard CMC7 70kW Oil Boiler 70 kw 90% 2 years £3,720 VIEW
Mistral Mega Combi Standard CMC5 50kW Oil Boiler 50kw 90% 2 years £3,360 VIEW
Mistral Combi CC2 Plus 26kW Oil Boiler 26kw 92% 2 years £2,460 VIEW
Mistral Combi CC3 Plus 35kW Oil Boiler 35kw 92% 2 years £2,460 VIEW

Available

Mistral Combi Standard Non-Condensing C1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,800 VIEW
Mistral Combi Standard Non-Condensing C2 26kW Combi Oil Boiler 26kw 87% 5 years £1,860 VIEW
Mistral Combi Standard Non-Condensing C3 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1,950 VIEW
Mistral Combi Standard C4 Non-Condensing 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Mega Combi Standard Non-Condensing MC5 50kW Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £2,880 VIEW
Mistral Mega Combi Standard Non-Condensing MC6 58kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,120 VIEW
Mistral Mega Combi Stard Non-Condensing MC7 68kW Oil Boiler 70kw 86% 2 yr. parts - 5 yr. heat exch £3,240 VIEW
Mistral Combi Plus Non-Condensing C2 Plus 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Combi Plus Non-Condensing C3 Plus 35kW Oil Boiler 35 kw 87% 2 yr. parts - 5 yr. heat exch £2,250 VIEW
Mistral Combi Plus Non-Condensing C4 Plus 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £2,520 VIEW
Mistral Mega Combi Plus Non-Condensing MC5 Plus 50kW Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £2,880 VIEW
Mistral Mega Combi Plus MC6 Plus 58kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,420 VIEW
Mistral Mega Combi Plus Non-Condensing MC7 Plus 68kW Oil Boiler 70kw 86% 2 yr. parts - 5 yr. heat exch £3,540 VIEW
Mistral Outdoor Combi Standard ODC1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,980 VIEW
Mistral Outdoor Combi Standard ODC2 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £2,040 VIEW
Mistral Outdoor Combi Standard ODC3 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Outdoor Combi Standard ODC4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £2,340 VIEW
Mistral Outdoor Mega Combi Standard ODMC5 50kW Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £3,120 VIEW
Mistral Outdoor Mega Combi Standard ODMC6 58kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,300 VIEW
Mistral Outdoor Mega Combi Standard ODMC7 68kW Oil Boiler 68kw 86% 2 yr. parts - 5 yr. heat exch £3,480 VIEW
Mistral Outdoor Combi+ ODC1 Plus 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £2,220 VIEW
Mistral Outdoor Combi Plus ODC2+ 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £2,280 VIEW
Mistral Outdoor Combi Plus ODC3+ 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £3,800 VIEW
Mistral Outdoor Combi Plus ODC4+ 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £2,580 VIEW
Mistral Outdoor Mega Combi Plus ODMC5 50kW Oil Boiler 50kw 86% 2 yr. parts - 5 yr. heat exch £3,300 VIEW
Mistral Outdoor Mega Combi Plus ODMC6 58kW Oil Boiler 58kw 86% 2 yr. parts - 5 yr. heat exch £3,540 VIEW
Mistral Outdoor Combi Standard CODC1 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £2,040 VIEW
Mistral Outdoor Combi Standard CODC2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £2,160 VIEW
Mistral Outdoor Combi Standard CODC3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,700 VIEW
Mistral Outdoor Mega Combi Standard CODMC5 50kW Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £3,540 VIEW
Mistral Outdoor Mega Combi Standard CODMC6 58kW Oil Boiler 58kw 90% 2 yr. parts - 5 yr. heat exch £3,870 VIEW
Mistral Outdoor Mega Combi Standard CODMC7 68kW Oil Boiler 68kw 90% 2 yr. parts - 5 yr. heat exch £4,176 VIEW
Mistral Outdoor Combi Plus CODC1+ 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £2,460 VIEW
Mistral Outdoor Combi Plus CODC2+ 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £2,580 VIEW
Mistral Outdoor Combi Plus CODC3+ 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,700 VIEW
Mistral Outdoor Combi Plus CODC4+ 41kW Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £3,000 VIEW
Mistral Outdoor Mega Combi Plus CODMC5 50kW Oil Boiler 50kw 90% 2 yr. parts - 5 yr. heat exch £3,960 VIEW
Mistral Outdoor Mega Combi Plus CODMC6 58kW Oil Boiler 58kw 90% 2 yr. parts - 5 yr. heat exch £4,290 VIEW
Mistral Outdoor Mega Combi Plus CODMC7 70kW Oil Boiler 70kw 90% 2 yr. parts - 5 yr. heat exch £4,596 VIEW
Mistral Outdoor Combi Standard CODC4 41kW Oil Boiler 41kw 92% 2 yr. parts - 5 yr. heat exch £2,580 VIEW

Navien

Boiler Model kW Efficiency Warranty Typical Price
Navien LCB700 21kW Internal Combi Oil Boiler 23 kw 93% 10 years £N/A VIEW
Navien LCB700 28kW Internal Combi Oil Boiler 30.3 kw 93% 10 years £N/A VIEW
Navien LCB700 36kW Internal Combi Oil Boiler 39 kw 93% 10 years £N/A VIEW
Navien LCB700 21kW External Combi Oil Boiler 23 kw 93% 10 years £N/A VIEW
Navien LCB700 28kW External Combi Oil Boiler 30.3 kw 93% 10 years £N/A VIEW
Navien LCB700 36kW External Combi Oil Boiler 39 kw 93% 10 years £N/A VIEW

Warmflow

Boiler Model kW Efficiency Warranty Typical Price

Best Sellers

Warmflow Agentis Internal Combi 26kW Oil Boiler 26 kw Aaa 5 years £2,270 VIEW
Warmflow Agentis Internal Combi 33kW Oil Boiler 33 kw Aaa 5 years £2,470 VIEW
Warmflow Agentis External Combi 33kW Oil Boiler 33 kw Aa 5 years £2,710 VIEW

Available

Warmflow Agentis Internal Combi 21kW Oil Boiler 21 kw Aaa 5 years £2,170 VIEW
Warmflow Agentis External Combi 21kW Oil Boiler 21 kw Aa 5 years £2,300 VIEW
Warmflow Agentis External Combi 26kW Oil Boiler 26 kw Aa 5 years £2,500 VIEW
Warmflow Agentis Pro Internal Combi 21kW Oil Boiler 21 kw Aa 5 years £2,500 VIEW
Warmflow Agentis Pro Internal Combi 26kW Oil Boiler 26 kw Aa 5 years £2,630 VIEW
Warmflow Agentis Pro Internal Combi 33kW Oil Boiler 33 kw Aa 5 years £2,830 VIEW
Warmflow Agentis Pro External Combi 21kW Oil Boiler 21 kw Aa 5 years £2,650 VIEW
Warmflow Agentis Pro External Combi 26kW Oil Boiler 26 kw Aa 5 years £2,710 VIEW
Warmflow Agentis Pro External Combi 33kW Oil Boiler 33 kw Aa 5 years £2,900 VIEW
Warmflow Kabin-Pak Combi KC70HEE 21kW Oil Boiler 21kw 89.1% 2 years £1,995 VIEW
Warmflow Kabin Pak Combi KC90HEE 26kW Oil Boiler 26kw 89.5% 2 years £1,975 VIEW
Warmflow Kabin Pak KC120HEE Combi 33kW Oil Boiler 33kw 89.1% 2 years £2,200 VIEW
Warmflow Utility UC70HEE Combi 21kW Oil Boiler 21kw 89.1% 5 years £1,345 VIEW
Warmflow Utility Combi UC90HEE 26kW Oil Boiler 26kw 89.1% 5 years £1,400 VIEW
Warmflow Utility UC120HEE Combi 33kW Oil Boiler 33kw 89.1% 5 years £1,990 VIEW

Worcester Bosch

Boiler Model kW Efficiency Warranty Typical Price

Best Sellers

Worcester Bosch Greenstar Heatslave II 12/18 Combi Oil Boiler 18 kw 90% Up to 5 years £2,369 VIEW
Worcester Bosch Greenstar Heatslave II 18/25 Combi Oil Boiler 25 kw 90% Up to 5 years £2,395 VIEW
Worcester Bosch Greenstar Heatslave II 25/32 Combi Oil Boiler 32 kw 91% Up to 5 years £2,350 VIEW

Available

Worcester Bosch Greenstar Heatslave II External 12/18 Combi Oil Boiler 18 kw 90% Up to 5 years £2,458 VIEW
Worcester Bosch Greenstar Heatslave II External 18/25 Combi Oil Boiler 25 kw 90% Up to 5 years £2,607 VIEW
Worcester Bosch Greenstar Heatslave II External 25/32 Combi Oil Boiler 32 kw 90% Up to 5 years £2,772 VIEW
Worcester Bosch Greenstar Heatslave II External 25/32 Combi Oil Boiler 32kw 90.3% 5 years £2,564 VIEW

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Excellent 4.8 out of 5
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