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Ethical brand ratings and accreditation since 2001

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Good shopping guide ethical accreditation tick


Is Main an ethical and sustainable boiler brand? 

Main is a brand that is owned by BDR Thermea Group, a European company that manufactures domestic and commercial water and space heating systems.

Within The Good Shopping Guide’s Ethical Boilers sector, Main reaches our minimum ethical benchmark and receives a top rating.

Because Main already has an excellent score on our Boilers Ethical Ratings Table, it is eligible for Ethical Accreditation.  All Main needs to do is contact us and apply. Once we receive its application, The Good Shopping Guide will provide Main with the use of our ethical logo.

Are you interested in finding out how Main compares to other brands within the Ethical Boilers sector? Visit The Good Shopping Guide’s Boilers Ethical Ratings Table.  From our Ratings Table, you can gain further insight into the criteria that our top-rated brands have fulfilled in order to reach our minimum ethical benchmark.

All brands are encouraged by The Good Shopping Guide to introduce more ethical and sustainable practices like our top-rated brands such as Main.

What makes Main such an ethical and sustainable brand?

As a brand with an excellent score, Main receives a top rating in all of our categories. These include Political Donations, Human Rights and Animal Welfare due to a lack of negative records.

Additionally, BDR Thermea Group has a Vision page which shares some sustainability information.

What can Main do to improve its score? 

Main’s above benchmark score within The Good Shopping Guide’s Ethical Boilers sector is the result of an assessment of a variety of ethical criteria.

Because Main has already met our minimum ethical benchmark in the Ethical Boilers sector, The Good Shopping Guide encourages it to contact us and apply for Ethical Accreditation. By getting in touch and applying, Main will be offered the use of The Good Shopping Guide ethical mark.

Were you aware that your brand could benefit from Ethical Accreditation? Brands accredited by The Good Shopping Guide can display our ethical mark, showcasing to consumers that it is an ethical and sustainable brand.

If you’re interested in learning more about how to attain Ethical Accreditation, please get in touch with us or complete a Free Initial Assessment form.

Ethical performance in category


GSG score


GSG category benchmark


Ethical Rating


  • Environmental Report


  • Nuclear Power


  • Fossil Fuels



  • Animal Welfare



  • Armaments


  • Political Donations


  • Human Rights



  • Ethical Accreditation


  • Other Criticisms


= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating