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Nortek geothermal heat pump system designed to require less drilling
February 5, 2016 By Administrator
Nortek Global HVAC has launched a geothermal heat pump system that requires less drilling than many other geothermal systems.
The new EarthDirEX model Y1SA geothermal direct geoexchange heat pump delivers 19+ EER cooling and 3.8+ COP heating in 2, 3, 4 and 5 ton capacities, Nortek said in a press release.
To reduce drilling, this direct geoexchange heat pump uses a series of underground refrigerant tubes called an Earth loop. A typical installation includes a small trench and/or one to two five- to six-inch diameter boreholes drilled to depths of 400 feet or less. The refrigerant tubes are placed into these holes, which is how they access the natural heating and cooling power of the Earth.
“The EarthDirEX Y1SA heat pump is the cost-effective geothermal choice for homeowners,” said Dave Garvin, Nortek Global HVAC product manager, in the release. “Drilling can account for half of the system cost to consumers. Because the EarthDirEX system reduces the drilling requirements, final installed costs can become much lower.”
Additionally, the new EarthDirEX geothermal system uses 100 per cent refrigerant. While other geothermal systems transfer heat from refrigerant to water to the Earth and back again, the EarthDirEX system has no Earth-to-water heat exchanger component, helping it transfer heat more efficiently, the company said.
Other features include few moving parts, strong corrosion resistance and an electronic expansion valve.
The EarthDirEX model Y1SA geothermal direct geoexchange heat pump system is available in the Broan, Frigidaire, NuTone and Westinghouse brands of heating and cooling equipment with an out-of-the-box five-year parts warranty for residential applications. With product registration, the parts warranty extends to 10 years, and a 10-year replacement guarantee on the compressor is added.
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