About
Holy City Heating & Air, LLC has provided geothermal heating and cooling installation, replacement, and repair in Charleston since 2015. Founded by Tom Harvey, the company holds SC Mechanical License M113404, is a Daikin Comfort Pro certified dealer, and is listed in the WaterFurnace dealer locator for South Carolina, offering ground-source heat pump technology that leverages stable underground temperatures for efficient year-round comfort. Holy City serves residential and commercial customers across Charleston, Mt. Pleasant, North Charleston, James Island, Johns Island, and surrounding Lowcountry communities, with dedicated geothermal system design and installation alongside full HVAC, plumbing, and indoor air quality services. The company operates from downtown Charleston at 238 East Bay Street. Verified active operator per holycityhvac.com + WaterFurnace SC dealer locator (SC bundle audit 2026-06-02)
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Holy City Heating & Air, LLC — Charleston, South Carolina
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