Tempstar Geothermal: Smarter On Many Levels

​A Tempstar geothermal system can save you up to 70% on your heating and cooling bills, keep your home consistently comfortable and reduce your carbon footprint, and it lasts up to 30% longer than ordinary air conditioners and heat pumps. Tempstar offers a wide variety of geothermal units, features and options, ensuring we have a geothermal system your family can depend on. For the homeowner who expects more from their heating and cooling system, geothermal offers just that.

​For the ultimate combination of variable-speed air delivery, two stages of heating or cooling and the natural of efficiency geothermal technology, choose our HP packaged model. You’ll enjoy consistent temperatures with fewer hot or cold spots, better humidity management during hot sticky summers, and the lasting reliability you expect.

Features & Benefits

  • High-efficiency comfort while managing your utility costs (efficiency is unit size dependent)
  • Variable-speed blower motor provides an ultimate level of even temperature control and comfort
  • Two-stage compressor for improved temperature and summer humidity control
  • Insulated cabinet and compressor blanket for quiet operation
  • Large operating temperature range with outstanding cold weather performance
  • Corrosion-resistant coil for durability 2″ MERV 8 filtration
  • 5-Year No Hassle Replacement™ Limited Warranty
  • 10-year parts and labor limited warranty

Optional Features

  • Supplemental, domestic hot water generation
  • Internally-mounted auxiliary heat
  • Smart startup add-on for smoother operation


  • 3.5 to 4.0 COP Heating Efficiency (closed loop)
  • 4.0 to 4.6 COP Heating Efficiency (open loop)
  • 15.5 to 24.5 EER Cooling Efficiency (closed loop)
  • 19.6 to 30.0 EER Cooling Efficiency (open loop)
  • Two-stage scroll compressor
  • Variable-speed blower motor
  • Fully insulated cabinet
  • Compressor sound blanket
  • Energy Star® rated in all sizes