About
DJH Mechanical Services Inc. is a Mt. Vernon, New York-based HVAC and geothermal contractor serving the NYC Metropolitan Area and Westchester County for over 30 years. The company specializes in geothermal heat pump installation and retrofit projects, including documented commercial work such as a 140-ton Mitsubishi CITY MULTI Geothermal Heat Pump System heating and cooling 33,500 sq. ft. at Huguenot Memorial Church in Pelham, NY. As a certified Mitsubishi Diamond Designer, DJH brings in-house engineering capability to design and install high-efficiency geothermal and VRF systems for residential, commercial, and industrial applications. Services include geothermal installation, air conditioning and heating systems, water heating, preventive maintenance programs, and 24/7 emergency service. Contact DJH Mechanical at (914) 699-6767 or [email protected]. Verified active operator per https://djhmechanical.com (Bundle 6 audit 2026-05-29)
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DJH Mechanical Services Inc. — Mt Vernon, New York
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