Close

Manufacturers

Vaillant Boilers Boiler Efficiency Rating, Repair & Service

Vaillant have been manufacturing energy-saving boilers for over 141 years, and are able to offer a boiler to meet the heating and hot water demands of just about any home.

Their ecoTEC Plus range includes gas Combi, Regular and System boilers, and are well known for their high efficiencies and comprehensive warranties. Install one of these and you'll not only have a reliable boiler but potentially lower energy bills too.

Model Type Fuel Efficiency
Vaillant Aquaplus Non-Condensing Gas 79.8%
Vaillant Combicompact vcw221h Non-Condensing Gas 65.0%
Vaillant Combicompact vcw240h Non-Condensing Gas 65.0%
Vaillant Combicompact vcw242eh Non-Condensing Gas 70.0%
Vaillant Combicompact vcw280h Non-Condensing Gas 65.0%
Vaillant Combicompact vcw282eh Non-Condensing Gas 70.0%
Vaillant ecoFIT pure 412 VU 126/6-3 OV (H-GB) Condensing Gas 89.8%
Vaillant ecoFIT pure 415 VU 156/6-3 OV (H-GB) Condensing Gas 89.8%
Vaillant ecoFIT pure 418 VU 186/6-3 OV (H-GB) Condensing Gas 89.7%
Vaillant ecoFIT pure 425 VU 256/6-3 OV (H-GB) Condensing Gas 89.7%
Vaillant ecoFIT pure 430 VU 306/6-3 OV (H-GB) Condensing Gas 89.8%
Vaillant ecoFIT pure 612 VU 126/6-3 (H-GB) Condensing Gas 89.8%
Vaillant ecoFIT pure 615 VU 156/6-3 (H-GB) Condensing Gas 89.8%
Vaillant ecoFIT pure 618 VU 186/6-3 (H-GB) Condensing Gas 89.7%
Vaillant ecoFIT pure 625 VU 256/6-3 (H-GB) Condensing Gas 89.7%
Vaillant ecoFIT pure 630 VU 306/6-3 (H-GB) Condensing Gas 89.9%
Vaillant ecoFIT pure 825 VUW 256/6-3 (H-GB) Condensing Gas 89.6%
Vaillant ecoFIT pure 830 VUW 306/6-3 (H-GB) Condensing Gas 89.6%
Vaillant ecoFIT pure 835 VUW 356/6-3 (H-GB) Condensing Gas 89.7%
Vaillant ecoFIT sustain 825 VUW 256/6-3 (H-GB) Condensing Gas 89.3%
Vaillant ecoFIT sustain 830 VUW 306/6-3 (H-GB) Condensing Gas 89.3%
Vaillant ecoFIT sustain 835 VUW 356/6-3 (H-GB) Condensing Gas 89.3%
Vaillant Ecomax 613/2E Condensing Gas 88.9%
Vaillant Ecomax 613E Condensing Gas 88.7%
Vaillant Ecomax 618/2E Condensing Gas 89.0%
Vaillant Ecomax 618E Condensing Gas 88.7%
Vaillant Ecomax 622/2E Condensing Gas 88.9%
Vaillant Ecomax 622E Condensing Gas 88.7%
Vaillant Ecomax 635 E Condensing LPG 90.2%
Vaillant Ecomax 635E Condensing Gas 89.2%
Vaillant Ecomax 824 E Condensing Gas 87.4%
Vaillant Ecomax 824/1E Condensing Gas 88.6%
Vaillant Ecomax 824/2E Condensing Gas 88.9%
Vaillant Ecomax 828 E Condensing Gas 87.6%
Vaillant Ecomax 828/1E Condensing Gas 88.6%
Vaillant Ecomax 828/2E Condensing Gas 88.8%
Vaillant Ecomax 835/2 E Condensing LPG 90.1%
Vaillant Ecomax 835/2E Condensing Gas 89.1%
Vaillant Ecomax pro 18 E Condensing Gas 88.6%
Vaillant Ecomax pro 28 E Condensing Gas 88.7%
Vaillant Ecomax VU 186 EH Condensing Gas 87.7%
Vaillant Ecomax VU 226 EH Condensing Gas 87.7%
Vaillant ecoTEC exclusive 627 VU 256/5-7 (H-GB) Condensing Gas 89.6%
Vaillant ecoTEC exclusive 832 Condensing Gas 88.8%
Vaillant ecoTEC exclusive 835 VUW 356/5-7 (H-GB) Condensing Gas 89.7%
Vaillant ecoTEC exclusive 838 Condensing Gas 88.8%
Vaillant ecoTEC exclusive 843 VUW 436/5-7 (H-GB) Condensing Gas 89.6%
Vaillant ecoTEC plus 412 Condensing Gas 89.3%
Vaillant Ecotec plus 415 Condensing Gas 88.7%
Vaillant ecoTEC plus 415 VU 156/6-5 Condensing Gas 89.3%
Vaillant Ecotec plus 418 Condensing Gas 88.9%
Vaillant ecoTEC plus 418 VU 186/6-5 Condensing Gas 89.3%
Vaillant ecoTEC plus 424 Condensing Gas 89.3%
Vaillant Ecotec plus 428 Condensing LPG 90.7%
Vaillant ecoTEC plus 430 Condensing Gas 89.2%
Vaillant Ecotec plus 438 Condensing LPG 90.2%
Vaillant Ecotec Plus 612 Condensing Gas 89.0%
Vaillant ecoTEC plus 612 H system A VU GB 126/5-5 A Condensing Gas 89.0%
Vaillant ecoTEC plus 612 VU GB 126/5-5 Condensing Gas 89.0%
Vaillant Ecotec Plus 615 Condensing Gas 89.0%
Vaillant ecoTEC plus 615 H system A VU GB 156/5-5 A Condensing Gas 89.1%
Vaillant ecoTEC plus 615 VU GB 156/5-5 Condensing Gas 89.1%
Vaillant Ecotec Plus 618 Condensing Gas 89.0%
Vaillant ecoTEC plus 618 H system A VU GB 186/5-5 A Condensing Gas 89.3%
Vaillant Ecotec Plus 618 LPG Condensing LPG 90.0%
Vaillant ecoTEC plus 618 LPG system A VU GB 186/5-5 A R4 Condensing LPG 89.1%
Vaillant ecoTEC plus 618 VU GB 186/5-5 Condensing Gas 89.3%
Vaillant Ecotec Plus 624 Condensing Gas 88.9%
Vaillant ecoTEC plus 624 H system A VU GB 246/5-5 A Condensing Gas 89.4%
Vaillant ecoTEC plus 624 H system A VU GB 246/5-5 A R4 Condensing LPG 89.9%
Vaillant ecoTEC plus 624 VU GB 246/5-5 Condensing Gas 89.4%
Vaillant Ecotec Plus 630 Condensing Gas 89.0%
Vaillant ecoTEC plus 630 H system A VU GB 306/5-5 A Condensing Gas 89.4%
Vaillant Ecotec Plus 630 LPG Condensing LPG 90.0%
Vaillant ecoTEC plus 630 LPG system A VU GB 306/5-5 A R4 Condensing LPG 89.1%
Vaillant ecoTEC plus 630 VU GB 306/5-5 Condensing Gas 89.4%
Vaillant ecoTEC plus 637 Condensing Gas 88.9%
Vaillant ecoTEC plus 637 H system A VU GB 376/5-5 A Condensing Gas 89.2%
Vaillant ecoTEC plus 637 H system A VU GB 376/5-5 A R4 Condensing LPG 90.5%
Vaillant ecoTEC plus 637 VU GB 376/5-5 Condensing Gas 89.2%
Vaillant Ecotec Plus 824 Condensing Gas 88.9%
Vaillant ecoTEC plus 824 VUW GB 246/5-5 Condensing Gas 89.1%
Vaillant ecoTEC plus 825 H combi A VUW GB 256/5-5 Condensing Gas 89.1%
Vaillant ecoTEC plus 825 H combi A VUW GB 256/5-5 R4 Condensing LPG 90.1%
Vaillant Ecotec Plus 831 Condensing Gas 88.9%
Vaillant Ecotec Plus 831 LPG Condensing LPG 89.9%
Vaillant ecoTEC plus 831 VUW GB 316/5-5 Condensing Gas 89.3%
Vaillant ecoTEC plus 832 H combi A VUW GB 326/5-5 Condensing Gas 89.3%
Vaillant ecoTEC plus 832 LPG combi A VUW GB 326/5-5 R4 Condensing LPG 88.9%
Vaillant ecoTEC plus 835 H combi A VUW GB 356/5-5 Condensing Gas 89.3%
Vaillant ecoTEC plus 835 H combi A VUW GB 356/5-5 R4 Condensing LPG 90.1%
Vaillant ecoTEC plus 837 Condensing Gas 88.8%
Vaillant ecoTEC plus 837 VUW GB 376/5-5 Condensing Gas 89.3%
Vaillant ecoTEC plus 838 H combi A VUW GB 386/5-5 Condensing Gas 89.3%
Vaillant ecoTEC plus 838 H combi A VUW GB 386/5-5 A R4 Condensing LPG 90.2%
Vaillant ecoTEC plus 937 Condensing LPG 90.2%
Vaillant ecoTEC plus 937 VUI GB 376/5-5 Condensing Gas 89.3%
Vaillant ecoTEC plus 938 H combi A VUI GB 386/5-5 A Condensing Gas 89.3%
Vaillant ecoTEC plus 938 H combi A VUI GB 386/5-5 A R4 Condensing LPG 89.8%
Vaillant ecoTEC pro 24 Condensing LPG 89.9%
Vaillant ecoTEC pro 24 H combi A VUW 246/5-3 A Condensing Gas 89.1%
Vaillant ecoTEC pro 24 H combi A VUW GB 246/5-3 A R4 Condensing LPG 89.7%
Vaillant ecoTEC pro 24 VUW GB 246/5-3 Condensing Gas 89.1%
Vaillant Ecotec Pro 28 Condensing Gas 88.8%
Vaillant ecoTEC pro 28 H combi A VUW GB 286/5-3 A Condensing Gas 89.1%
Vaillant ecoTEC pro 28 LPG combi A VUW GB 286/5-3 A R4 Condensing LPG 88.8%
Vaillant ecoTEC pro 28 VUW GB 286/5-3 Condensing Gas 89.3%
Vaillant ecoTEC pro 30 H combi A VUW GB 306/5-3 Condensing Gas 89.3%
Vaillant ecoTEC pro 30 H combi A VUW GB 306/5-3 R4 Condensing LPG 90.1%
Vaillant ecoTEC sustain 24 VUW 246/7-2 (H-GB) Condensing Gas 89.2%
Vaillant ecoTEC sustain 28 VUW 286/7-2 (H-GB) Condensing Gas 89.1%
Vaillant ecoTEC sustain 34 VUW 346/7-2 (H-GB) Condensing Gas 89.2%
Vaillant ecoTEC VU GB 466/4-5 Condensing Gas 89.1%
Vaillant ecoTEC VU GB 656/4-5-H Condensing Gas 88.7%
Vaillant Home Combi 25 Condensing Gas 89.3%
Vaillant Home Combi 30 Condensing Gas 89.3%
Vaillant Home Combi 35 Condensing Gas 89.3%
Vaillant Home Regular 12 Condensing Gas 89.3%
Vaillant Home Regular 15 Condensing Gas 89.3%
Vaillant Home Regular 18 Condensing Gas 89.3%
Vaillant Home Regular 25 Condensing Gas 89.3%
Vaillant Home Regular 30 Condensing Gas 89.2%
Vaillant Home System 12 Condensing Gas 89.3%
Vaillant Home System 15 Condensing Gas 89.3%
Vaillant Home System 18 Condensing Gas 89.3%
Vaillant Home System 25 Condensing Gas 89.3%
Vaillant T3Wcombi vcw20/1t3w Non-Condensing Gas 65.0%
Vaillant T3Wcombi vcw25/1t3w Non-Condensing Gas 65.0%
Vaillant T3Wcombi vcwsine18t3w Non-Condensing Gas 65.0%
Vaillant Thermocompact 615E Non-Condensing Gas 79.0%
Vaillant Thermocompact 620E Non-Condensing Gas 79.7%
Vaillant Thermocompact 624 E Non-Condensing LPG 81.5%
Vaillant Thermocompact 624E Non-Condensing Gas 79.7%
Vaillant Thermocompact 628E Non-Condensing Gas 79.8%
Vaillant Thermocompact 637 E Non-Condensing Gas 79.9%
Vaillant Thermocompact vc110h Non-Condensing Gas 65.0%
Vaillant Thermocompact vc180h Non-Condensing Gas 65.0%
Vaillant Thermocompact vc182eh Non-Condensing Gas 72.0%
Vaillant Thermocompact vc221h Non-Condensing Gas 65.0%
Vaillant Thermocompact vc240h Non-Condensing Gas 65.0%
Vaillant Thermocompact vc242eh Non-Condensing Gas 72.0%
Vaillant Thermocompact vc282eh Non-Condensing Gas 72.0%
Vaillant Thermocompact VU 142 EH Non-Condensing Gas 75.8%
Vaillant Thermocompact VU 182 EH Non-Condensing Gas 78.1%
Vaillant Thermocompact VU 242 EH Non-Condensing Gas 78.6%
Vaillant Thermocompact VU 282 EH Non-Condensing Gas 78.8%
Vaillant Turbomax Plus 28E Non-Condensing LPG 81.5%
Vaillant Turbomax Plus 824E Non-Condensing Gas 79.6%
Vaillant Turbomax Plus 828E Non-Condensing Gas 79.7%
Vaillant Turbomax Plus 837 E Non-Condensing Gas 79.8%
Vaillant Turbomax Pro 24E Non-Condensing Gas 79.6%
Vaillant Turbomax Pro 28E Non-Condensing Gas 79.7%
Vaillant Turbomax VUW 242 EH Non-Condensing Gas 78.5%
Vaillant Turbomax VUW 282 EH Non-Condensing Gas 78.7%
Vaillant Vkboiler vk35 Non-Condensing Gas 65.0%
Vaillant Vkboiler vk41 Non-Condensing Gas 65.0%
Vaillant Vkboiler vk48 Non-Condensing Gas 65.0%
Vaillant Vkboiler vk58 Non-Condensing Gas 65.0%

Get FREE Boiler Quotes

Compare prices today

No obligation to buy

Visit Boiler Guide to get free quotes from trustworthy heating engineers in your area.