- Trane Inc. (Ingersoll Rand Inc.)
- Midea Group
- NIBE Group
- Panasonic Corporation
- Mitsubishi Electric Corporation
- Daikin Industries
Ltd.
- Stiebel Eltron Gmbh & Co. Kg (De)
- Glen Dimplex Group
- Viessmann Werke GmbH & Co KG
- Flamingo Heat Pumps
- WOLF (Centrotec Sustainable AG)
- Efficiency Maine