About Advanced Service Air Conditioning & Heating, LLC
Advanced Service Air Conditioning & Heating, LLC is a Lennox dealer in Middletown serving Boonsboro, Brunswick, Braddock Heights and nearby communities. It repairs all brands of heating and cooling equipment, with a one year warranty on all repairs and free second opinions on dead systems. Installation covers air conditioners, furnaces, heat pumps, mini-splits and geothermal systems, and a duct work sheet metal shop designs and builds custom ductwork for new construction and remodels. Fall maintenance for heat pumps and dual-fuel systems is offered, along with indoor air quality services. Financing with approved credit, including a Wells Fargo credit card, annual maintenance plans, service agreements and emergency AC repair are all available, and Lennox rebates of up to ,800 apply on its Ultimate Comfort System. Rated 4.9 from 52 Google reviews, 50 of them five stars.
Services and details
Installs heat pumps
YesDuctwork
YesDuctless mini-splits
YesGeothermal
YesFurnaces and boilers
YesFinancing
YesEmergency service
YesMaintenance plans
Yes
No information yet on load calculation (Manual J), energy audit or air sealing, cold-climate heat pumps, dual-fuel or hybrid systems, rebate and EmPOWER help, nATE-certified technicians, states license and insurance. The website did not say; call and ask.
Contact
- (301) 371-8807
- 1929 Mountain Church Rd, Middletown, MD 21769
- 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.