This company claims on its website that their Enviroflo system converts free renewable energy from the air, into reliable hot water for the home with zero ozone depletion.

This company has a publicly available integrated report on its website which includes info on its sustainability efforts.

Sustainalytics, a top ESG research firm, evaluates environmental, social, and governance risks for over 16,000 companies. Its ESG Risk Rating reflects how much risk a company faces in its industry and how well it manages those risks. The final score includes both unmanaged and unmanageable risks, and companies are rated on a scale from negligible (0-10) to severe (40+). This company received an ESG Risk Rating of 25.9, placing it in the "medium risk" category (retrieved April 2025).