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 1940s. They use the constant temperature of the earth as the exchange medium instead of the outside air temperature. This allows the system to reach fairly high efficiencies (300% to 600%) on the coldest winter nights, compared to 175% to 250% for air-source heat pumps on cool days.
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In the California heat, cooling HVAC systems of an advanced caliber are a necessary design element, especially in temperature-sensitive structures such as wine cellars and mortuaries. Enter Cold Craft, Inc., an HVACR contractor specializing in projects that have no playbook to work from. The firm has made a name for itself designing and installing precisely what the customer needs, whether it’s a custom-made system or a standard, efficient HVAC unit for a commercial structure, and it’s this kind of versatility that has led to the company’s success.
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