About
Davis Modern Heating & Cooling is a family-owned mechanical contractor based at 334 W Germantown Pike, Norristown, Pennsylvania, with roots dating to 1850 and incorporation as Davis Modern in 1982. The company is recognized as America's oldest family-owned mechanical contractor. Its geothermal services include design, installation, and maintenance of ground-source heat pump systems for residential and commercial properties across Montgomery, Chester, and Delaware counties, extending to Pottstown, Exton, Blue Bell, Collegeville, Phoenixville, Eagleville, and Ambler. Technicians work across all major fuel sources and installation types, including oil-to-geothermal conversions. Brands installed include Bosch, Daikin, Fujitsu, Aprilaire, and Navien. Maintenance plans, financing, and 24/7 on-call service are available. Verified active operator per https://www.davismodern.com/ and its geothermal heat pumps page (PA bundle audit 2026-06-01).
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Davis Modern Heating & Cooling — Norristown, Pennsylvania
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