Stone Mountain Technologies, Inc. Email Format

HVAC and Refrigeration Equipment ManufacturingTennessee, United States11-50 Employees

Stone Mountain Technologies, Inc. is a Tennessee-based manufacturer in the HVAC and refrigeration equipment sector. It designs and produces high-temperature gas absorption heat pumps under the ANESI brand. The systems rely on the existing natural gas or propane supply to heat homes and small commercial buildings and use a compressor-less design that avoids harmful refrigerants. With an AFUE rating of 140%, the ANESI products are intended for residential and light commercial heating, including forced-air and hydronic space heating as well as water heating.
In 2025, SMTI announced a distribution partnership with Flow Sales Inc. to broaden its market reach.

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