A1 Heating & Air Conditioning



Carroll County Heat Pump Repair & Replacement Specialist




Ask about the new Greenspeed Heat Pumps



A/1 Heating & Air Conditioning has been serving the Carroll County Maryland area with the best quality HVAC products and service since 1983, and are specialists in heat pump service, repairs and replacements. Consistently voted Carroll County’s Best, our certified technicians respond to service calls in Frederick MD, Baltimore, Howard and all parts of Carroll County, Maryland including Westminster, Finksburg, Sykesville, Eldersburg, Hampstead, Manchester, Taneytown, New Windsor, Taylorsville and Mt Airy.


A1 Heating & Air Conditioning offers:


  • Same Day Service
  • 100% Satisfaction Guaranteed
  • Authorized Carrier Dealer
  • Residential Heating & Air Conditioning Repair & New Installation
  • Commercial Heating & Air Conditioning Repair & New Installation
  • Service Available on All Makes & Models
  • FREE In-Home Estimates Available on Replacements
  • Installation & Replacement of Top Quality Brands
  • Water Heater Repair & Replacement
  • Equipment Retrofit & Replacement
  • Puron Refrigerant Specialist
  • Rebates
  • Preventative Maintenance / Service Agreements Available
  • Financing Available
A1 Heating Air Trucks



Heat Pump Specialist Carroll County MD

Call today for emergency repairs, routine maintenance or replacement HVAC systems, including:


  • Heat Pumps - Repairs, New Installations
  • Gas Furnaces & Gas Furnace Repair
  • Oil Furnace Repair
  • Air Conditioning Systems
  • Thermostats
  • Fans / Coils
  • Humidifiers
  • UV Treatment
  • Boilers
  • Gas Boiler Repairs
  • Oil Boiler Repairs
  • Outdoor Wood Boiler
  • Outdoor Wood Furnace
  • Whole House Dehumidifiers
  • Whole House Humidifiers
  • Ductless Heating & Air Conditioning Units
  • Energy Recovery Ventilator
  • Air Duct Zoning




Factory Authorized Carrier Dealer




Be sure to ask about all the Coupons and rebates that may be available. Combined with the energy savings of the new energy efficient systems, you can end up saving a lot of money on your utility bills.


* MHIC# 26743 | * HVACR# 2731 | * MD CONST# 06541107
* CC ELECT# E-00868-R | * BC ELECT# 853


A1 Carrolls Best




Cities and Zip Codes in Carroll County Maryland we service include Finksburg 21048, Woodbine 21797, Sykesville 21784, Eldersburg 21784, Taneytown 21787, Mount Airy 21771, New Windsor 21776, Hampstead 21074, Manchester 21102, Lineboro, Keymar 21757 and Westminster MD 21157, 21158. If you don't see your town or zip code listed please call to check availability.





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