Ethical brand ratings and accreditation since 2001
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
Parent company: Vaillant GmbH
= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating
Good
Acceptable
Poor
Parent company: Merloni Holding S.p.A
Parent company: Birr Grantfay Holdings Ltd
Parent company: Groupe Atlantic
Parent company: Immergas S.p.A
Parent company: BDR Thermea Foundation
Parent company: Biasi UK Ltd
Parent company: Johnson & Starley Ltd
Parent company: AR RISCALDAMENTO
Parent company: Fonderie Sime S.p.A.
Parent company: Paloma Rheem Global Inc.
Parent company: Attestor Capital LLP
Parent company: Carrier Global Corporation
Parent company: Robert Bosch GmbH
