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- Geothermal Heat Pumps
- Gas-Fired Condensing Boilers
- Gas Tankless Water Heaters
- Compress Heat Pump
- Solar Thermal System
- Electric Tankless Water Heaters
- Storage Tanks for Backup
- Electric Mini-Tanks
Glossary of Terms
Absorber
The absorber is the part of the solar collector that collects (absorbs) the incoming solar radiation and transforms it into heat.
Absorption
The absorption specifies the percent of the radiation on the absorber area that is transformed into heat.
Air heat pump
System that uses heat in the air to heat buildings.
Annual efficiency
Important figure for assessing the energy efficiency of boilers. The annual efficiency designates the percentage ratio of the heat energy used to the energy used across the entire year.