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Commercial HVAC Maintenance Services in Maryland

Without proper care or maintenance, you may find yourself replacing your commercial building’s HVAC unit a lot sooner than you may have thought. This means spending thousands of dollars to buy a new unit, as well as paying for the hours of labor it takes to replace it.

Investing in maintenance services will keep your HVAC unit reliable all year long, preventing breakdowns. GAC Services provides commercial HVAC maintenance services in Frederick County, Montgomery County, and Howard County, Maryland. Contact us today to schedule your appointment with our professionals.

Benefits of HVAC Maintenance Services

No matter the style of heating or cooling unit installed in your commercial property, our experts will ensure it’s working properly. From significant cost savings to improved energy efficiency, our commercial preventive maintenance services can put all of your worries about your HVAC system to rest.

  • Enhanced Energy Efficiency: Regular maintenance ensures that your HVAC system operates at peak efficiency, reducing energy consumption and monthly bills.
  • Extended Equipment Lifespan: By addressing wear and tear promptly, maintenance helps prolong the lifespan of HVAC equipment, delaying the need for costly replacements.
  • Improved Air Quality: By cleaning the unit and replacing air filters, your unit will distribute cleaner air, effectively raising the air quality in your building.
  • Enhanced Comfort: Well-maintained HVAC systems provide consistent heating and cooling, maintaining comfortable temperatures throughout the building.

What Do Our Services Cover?

GAC services various types of HVAC units for commercial buildings, including:


Since these systems operate differently, our methods are not one-size-fits-all. No matter what unit you need servicing, our professionals will thoroughly clean and tune them up. We’ll inspect your units, repair and replace any faulty components, replace air filters, and more.

We recommend having your system serviced every year before its season of use. So, if you have a furnace, you should have it serviced during late summer to early fall, and your AC during the spring. That way, your systems are ready for reliable use when needed.

Join Our Prime Maintenance Program

GAC Services offers commercial property owners the chance to sign up for our priority HVAC maintenance program. This program ensures many benefits, including:

  • Annual professional HVAC maintenance
  • A 20 percent discount for all heating and cooling services
  • Priority response for emergency services
  • And more!


We’re dedicated to making sure your HVAC system is running smoothly and not a nuisance to your wallet. Contact us today for expert HVAC tune-up services in Frederick County, Montgomery County, and Howard County, Maryland.

Join GAC's Prime Maintenance Membership

Financing Options Available

At GAC, we understand how important a functioning HVAC system is for your home. This is why we offer flexible financing options to help you take care of your new HVAC purchase, so you can get back to taking care of what matters most to you.

Priority Maintenance

A well-maintained HVAC system can save you from having to invest in costly repairs down the road. Learn more about the priority maintenance services offered by GAC Services.