Providing Maryland with Residential and Commercial HVAC Services including:

  • HVAC Installation
  • Geothermal Installation
  • HVAC Repair
  • Geothermal Repair
  • HVAC Maintenance

Preventative Maintenance

Why wait till something breaks? Sign up for our annual maintenance plan and we will find and fix problems before they escalate into costly repairs. Whether you are looking for HVAC maintenance in Baltimore County, Carroll County, Howard County or anywhere else in Maryland or Southern Pennsylvania, you can trust A Quality to keep your equipment in the top shape.

Why Maintenance is Important

  • Protect equipment against breakdowns by correcting minor problems before they grow into emergencies.
  • Prolong equipment’s life by preventing excessive wear.
  • Minimize operating expenses by keeping your system operating at peak efficiency.
  • Provide proper, factory-recommended care.

How to Get Started

Maintenance is not only for older HVAC systems, although older systems are more prone to malfunctions. Having regular maintnenace completed on new systems is essential to keeping their performance maximized and also required to keep manufacturers warranties in place. At A Quality we offer both one time plans and comprehensive annual agreements.

It’s recommended to service your system twice a year: once in the fall to get the heating equipment ready for winter and once in the spring to get the AC system ready for summer. This is the ideal maintenance frequency that ensures that your equipment is tuned up before each season. Failing to follow this schedule may lead to unexpected problems, such as heat not turning on when the first cold day arrives. To take the headache out of HVAC maintenance, A Quality offers a flexible maintenance plan — just call us to make an appointment in fall and spring and we’ll take care of everything. Signing up for the plan also means that you receive priority service attention in the event of an emergency.

Want to make a maintenance appointment or get more information about our maintenance plan? Call us or request an estimate.

maryland residential hvac maintenance

What Our Customers Are Saying

testimonial “The contractor was very helpful in explaining everything. They provided the best, most efficient setup out of all the proposals that I received. One example was putting the return duct work in the walls and several of them to provide better air circulation.”

V. Lane

Trusted Brands

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We’ve helped over 10,000 customers solve their HVAC problems.


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A Quality Heating & Air Conditioning, Inc., Heating & Air Conditioning, Finksburg, MD acca nate carroll county chamber of commerce

Licensed & Insured: HVAC# 48393

Click to View Areas We Serve

Carroll County HVAC Services: Eldersburg, Finksburg, Hampstead, Manchester, Marriottsville, Taneytown, Union Bridge, Westminster, Mount Airy, New Windsor, Sykesville, Woodbine, Taneytown, and more.

Baltimore County HVAC Services: Arbutus, Catonsville, Cockeysville, Dundalk, Edgemere, Essex, Garrison, Lansdowne, Lochearn, Lutherville, Middle River, Milford Mill, Overlea, Owings Mills, Parkville, Park Heights, Pikesville, Randallstown, Reisterstown, Rosedale, Timonium, Towson, White Marsh, Woodlawn, and more.

Frederick County HVAC Services: Frederick, New Market, Mount Airy, Urbana, Ijamsville, Walkersville, Libertytown, Damascus, and more.

Howard County HVAC Services: Clarksville, Columbia, Cooksville, Dorsey, Elkridge, Ellicott City, Fulton, Glenelg, Glenwood, Granite, Hanover, Highland, Jessup, Lisbon, Marriottsville, North Laurel, West Friendship, Woodbine, Woodstock, and more.

Montgomery County HVAC Services: Call for specific locations

Harford County HVAC Services: Call for specific locations

Anne Arundel HVAC Services: Call for specific locations

Southern PA HVAC Services: Adams County, York County, Franklin County, Fulton County