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Heating, Cooling, and Ventilation Services


At A-Air Service, Inc., our staff is dedicated to providing quality service to our clients regardless of the size or complexity of the project. When it comes to servicing your HVAC/R equipment and controls, we recognize that this means more than just maintaining your equipment; it also means providing fast and efficient service to those who rely on it.

Above all A-Air Service is People Serving People

Our dedicated staff of experienced, licensed master and journeyman technicians are ready to fulfill any of your HVAC/R needs.

Services We Provide Include:

Customized preventive maintenance service contracts for all your HVAC/R Sytems and Controls:

  • All makes, models and sizes of rooftop equipment
  • Centrifugal and reciprocating chill water systems such as Carrier, York, Trane, Dunham-Bush, etc.
  • Process heating and cooling systems
  • Hot water and steam hydronic systems, natural gas, and oil-fired
  • Refrigeration equipment and ice storage systems
  • Pneumatic and DDC temperature controls
  • Johnson Controls Metasys Building Automation Systems
  • Installation and service of all Heating, Ventilation, Air Conditioning, and Refrigeration equipment.
  • Retrofit and Replacement of existing CFC refrigerants to chlorine-free HFC refrigerants.
  • Installation and service of chill water and condenser water piping.
  • Plumbing service and repair of related HVAC/R equipment.
  • Design, build, and installation contracting
  • Project Management

Conveniently Located in Carroll County, Maryland

2920 Dede Road, Suite G2
Finksburg, Maryland 21048

24 Hour Emergency On-Call Service Available

Our business is highly technical, our approach is highly personal. Our clients range from light commercial to large industrial. Each of our clients have unique needs and we provide customized service for these businesses.

Contact us today for all your Commercial Industrial Heating, Ventilation, Air Conditioning, and Refrigeration needs.

Telephone (410) 526-5510

Fax (410) 526-5570