Vaillant - Boiler Efficiency Rating

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%

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