Enertech builds a broad assortment of geothermal products to fit a variety of applications. Our brands are widely recognized for their quality, reliability and innovation.
GeoComfort units are made in America with the highest standards of quality. Our commitment to continuous improvement and quality control has made reliability one of GeoComfort's greatest assets.
Pure and Simple
The Hydron Module brand is founded on the basic principle of quality craftsmanship. From inception, Hydron Module geothermal systems have been built with the simple idea of good people taking pride in producing the best products.
Bring the Comfort of the Earth into Your Home
The oldest brand of residential geothermal systems, TETCO was founded in 1977. The makers of TETCO products have always been dedicated to the geothermal concept and continue to demonstrate passion for the technology in the design features of the TETCO product line.
Register Your Product.
Registering your geothermal unit online helps us make continuous improvements to our product line. This site can be used for any Enertech-built products or our legacy brands.
Consumer and technical literature, plus installation manuals for legacy GeoSystem models can be found in this section. These files are available for download.Archive »
If you have a question about a current or legacy product, or if you would like more information, please use this form to help us respond quickly.