All Posts
Solar Space Heating and Cooling Just as solar energy can heat the water for a building, it can also heat and cool the air. Space…
Operating and Maintaining Your Heat Pump Proper operation of your heat pump will save energy. Do not set back the heat pump's thermostat if it…
Absorption Heat Pumps Absorption heat pumps are essentially air-source heat pumps driven not by electricity, but by a heat source such as natural gas, propane,…
Selecting and Installing a Geothermal Heat Pump System When selecting and installing a geothermal heat pump, consider the heating and cooling efficiency, the economics of…
Types of Geothermal Heat Pumps There are four basic types of ground loop systems. Three of these -- horizontal, vertical, and pond/lake -- are closed-loop…
Geothermal Heat Pumps Geothermal heat pumps (GHPs), sometimes referred to as GeoExchange, earth-coupled, ground-source, or water-source heat pumps, have been in use since the late…
Air-Source Heat Pumps Electric air-source heat pumps, often used in moderate climates, use the difference between outdoor air temperatures and indoor air temperatures to cool…
Heat Pump Replacement Tips A heat pump can save as much as 30% to 40% of the electricity you use for heating. Why Buy an…
Advanced Features to Look for in a Heat Pump A number of relatively new innovations are improving the performance of heat pumps. Unlike standard compressors…
How heat pumps achieve energy savings and CO2 emissions reduction Heat pumps and energy saving This section gives a brief introduction to heat pumps. Based on…
