to Enertech Global. In October of 2012, Enertech acquired many of the assets of GeoSystems, LLC. If you're looking for GeoSystems, ECONAR, HydroHeat or GeoSource geothermal equipment, you'll find many of those products now available through Enertech, plus lots of other great geothermal heating and cooling solutions.

At Enertech, our passion is people, and we believe you don't have to be related to be family. Whether you're a homeowner or business owner looking for reliable heating and cooling products, or an HVAC contractor in search of an innovative geothermal equipment line, Enertech is here for you. We're a dedicated geothermal manufacturer, committed to best-in-class customer service, product excellence, and quality craftmanship.

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Our Brands

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.

Live Comfortably

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.

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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.

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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.

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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.


Literature Archives.

Consumer and technical literature, plus installation manuals for legacy GeoSystem models can be found in this section. These files are available for download.

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Contact Us.

If you have a question about a current or legacy product, or if you would like more information, please click the Contact Us link above. You will be redirected to our main web site.