About Mccully heating and air
Knoxville's Mccully Heating and Air is a family owned business that has been in operation since 1984. It services and installs HVAC equipment of all makes and models, including geothermal systems, and it charges no overtime or travel fees. It has a single review so far, one star. Call to confirm which services and service area apply to your address before you book.
Services and details
Geothermal
Yes
No information yet on installs heat pumps, load calculation (Manual J), energy audit or air sealing, ductwork, ductless mini-splits, cold-climate heat pumps, dual-fuel or hybrid systems, furnaces and boilers, rebate and EmPOWER help, financing, emergency service, maintenance plans, nATE-certified technicians, states license and insurance. The website did not say; call and ask.
Contact
- (240) 375-5037
- 4331 St Marks Rd, Knoxville, MD 21758
- 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 Jefferson.