Rinnai Australia

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.
Source: company website (2021)

This company has a publicly available integrated report on its website which includes info on its sustainability efforts.
Source: company website (2021)

This company received an S&P Global ESG Score of 45/100 in the Household Durables category of the S&P Global Corporate Sustainability Assessment, an annual evaluation of companies' sustainability practices (last updated 23 Sep 2022). The rankings are based on an analysis of corporate economic, environmental and social performance, assessing issues such as corporate governance, risk management, environmental reporting, climate strategy, human rights and labour practices.
Source: S&P Global (2022)