Energy-efficient systems
Heating by direct combustion and heat recovery
- High-efficiency furnaces (natural gas and/or propane)
- High-efficiency furnaces (oil)
- Boilers
- High-efficiency stand-alone (“instantaneous” or “demand”) water heaters
- Hydronic (underfloor hot water) distribution systems
- Waste water heat recovery units
- Heating Controls
Ventilation, cooling / air conditioning
- Heat Recovery Ventilators (HRVs) and Energy Recovery Ventilators (ERVs)
- Ventilation: useful equipment
- Air Conditioning