Geothermal.contractors

Ed Miller Service Company, LLC (E D Miller Svc LLC), license TACLA30880E, is an active HVAC contractor in northwest Dallas, Texas, serving the Park Cities and North Dallas area for nearly six decades. The company runs a dedicated geothermal program: it installs ground-source heat pump systems that use vertical loops drilled 250 to 300 feet deep to exchange heat with the stable temperature of the earth, then circulate a water-antifreeze fluid through buried pipe to a heat pump that delivers efficient year-round heating and cooling without outdoor condensers. As a WaterFurnace dealer the firm installs and services ground-source equipment, sizing each loop field to the home it serves. Alongside its geothermal work the company also handles conventional residential and commercial HVAC installation, repair, replacement, and seasonal maintenance throughout the northwest Dallas service area. Verified active operator per millerservicecompany.com + WaterFurnace dealer locator (TX bundle audit 2026-06-02)