About United Air Temp
United Air Temp is a heating, air conditioning and plumbing company in Waldorf serving Charles, Prince George's, Calvert and St. Mary's counties, with a history that reaches back to 1931. It works on central air conditioners, heat pumps, ductless HVAC systems, furnaces and boilers, and it installs geothermal heat pumps and dual fuel hybrid systems. Maintenance programs bring two service visits per year and priority scheduling. Emergency service runs 24 hours, and the team includes NATE-certified technicians and licensed plumbers. Indoor air quality work and online booking are available, and it was named the 2022 HVACR National Contractor of the Year. Rated 4.7 from 858 Google reviews, 743 of them five stars and 34 one star. It promises upfront pricing and accepts online estimate requests.
Services and details
Installs heat pumps
YesDuctless mini-splits
YesGeothermal
YesDual-fuel or hybrid systems
YesFurnaces and boilers
YesEmergency service
YesMaintenance plans
YesNATE-certified technicians
YesStates license and insurance
Yes
No information yet on load calculation (Manual J), energy audit or air sealing, ductwork, cold-climate heat pumps, rebate and EmPOWER help, financing. The website did not say; call and ask.
Contact
- (410) 424-5964
- 605 Post Office Rd Ste 204, Waldorf, MD 20602
- 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 Waldorf.