- Address: 7300 SW 44th Street, Oklahoma City, Oklahoma 73179, USA
- Telephone Number: 405.745.6000
- Facsimile Number: 405.745.3229
- Business: Manufacturers
- Products: Geothermal Heat Pumps
- As the highest efficiency water-source heat pumps on the planet, the Tranquility 27™ series raises the bar for water-source heat pump efficiencies, features and application flexibility. Not only does the Tranquility 27™ series far exceed ASHRAE 90.1 efficiencies, but they also feature EarthPure™ HFC-410A zero ozone depletion refrigerant, making any of the Tranquility 27™ series units an extremely environmentally-friendly option.