Boilers: Ethical Comparison Ratings Table
Central heating accounts for 40% of total energy consumption in the United Kingdom. As a result, it’s critical to heat your home with an eco-friendly boiler. Read our guide to determine which boiler brand is right for you.
Benchmark score within the category
Boilers: Ethical Comparison Ratings Table
Baxi
Baxi Ethical Rating
Parent company: BDR Thermea Group
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Good
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Glow-Worm
Glow-Worm Ethical Rating
Parent company: Vaillant GmbH
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Good
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Heatrae Sadia
Heatrae Sadia Ethical Rating
Parent company: BDR Thermea Group
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Good
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Main
Main Ethical Rating
Parent company: BDR Thermea Group
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Good
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Vaillant
Vaillant Ethical Rating
Parent company: Vaillant GmbH
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Good
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Viessmann
Viessmann Ethical Rating
Parent company: Viessmann Group
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Good
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Grant
Grant Ethical Rating
Parent company: Grant Engineering (UK) Ltd
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Acceptable
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Alpha
Alpha Ethical Rating
Parent company: AlphaTherm Ltd
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Ariston
Ariston Ethical Rating
Parent company: Ariston Holding N.V.
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Biasi
Biasi Ethical Rating
Parent company: Biasi UK Ltd
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Ferroli
Ferroli Ethical Rating
Parent company: Ferroli S.p.A.
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Ideal
Ideal Ethical Rating
Parent company: Groupe Atlantic
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Johnson & Starley
Johnson & Starley Ethical Rating
Parent company: Johnson & Starley Ltd
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Keston
Keston Ethical Rating
Parent company: Groupe Atlantic
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Ravenheat
Ravenheat Ethical Rating
Parent company: Ravenheat Manufacturing Ltd
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Sime
Sime Ethical Rating
Parent company: Sime S.p.A.
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Good
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Vokera
Vokera Ethical Rating
Parent company: Carrier Global Corporation
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Good
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Poor
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Intergas
Intergas Ethical Rating
Parent company: Paloma Rheem Global Inc.
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Poor
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Acceptable
-
Human Rights
Good
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Good
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Worcester Bosch
Worcester Bosch Ethical Rating
Parent company: Robert Bosch GmbH
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Environment
-
Environmental Report
Good
-
Nuclear Power
Good
-
Fossil Fuels
Good
Animal
-
Animal Welfare
Good
People
-
Armaments
Good
-
Political Donations
Poor
-
Human Rights
Poor
Other
-
Ethical Accreditation
Poor
-
Other Criticisms
Poor
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating