About CoreTemp HVACR
CoreTemp HVACR, formerly Operation HVAC-R, is a Lanham company offering residential and commercial HVAC and refrigeration across Prince George's County and nearby areas such as New Carrolton, Greenbelt, Bowie, Beltsville, Hyattsville and Silver Spring. Work includes AC repair, heating repair, system installation, preventive maintenance, compressor replacement, electrical diagnostics, and walk-in cooler and freezer repair. Its background spans residential furnaces and air conditioning systems through large commercial rooftop units. For business owners the focus is on performance, compliance and limiting disruption, and the approach stresses accurate troubleshooting and honest service. A 24/7 emergency repair line is available to limit downtime. Customers can schedule a visit by phone or online. Rated 5.0 from 29 Google reviews, all of them five stars.
Services and details
Furnaces and boilers
YesEmergency service
Yes
No information yet on installs heat pumps, load calculation (Manual J), energy audit or air sealing, ductwork, ductless mini-splits, geothermal, cold-climate heat pumps, dual-fuel or hybrid systems, rebate and EmPOWER help, financing, maintenance plans, nATE-certified technicians, states license and insurance. The website did not say; call and ask.
Contact
- (301) 500-5058
- 7375 Executive Pl #400, Lanham, MD 20706
- Website
- View on Google Maps
Listing compiled from public sources on 2026-10-18. Report a correction or request removal. Back to heat pump installers in Lanham.