Indoor Air Quality
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Maryland’s Trusted Indoor Air Quality Services

Improve your home’s performance and breathe cleaner with GAC Services!

At GAC, we look at the “whole picture” when it comes to you in-home comfort—not just your HVAC equipment. That’s why we’re pleased to offer our Maryland customers a wide variety of services designed to enhance your home’s performance, including:

Call us today to learn how you can improve the indoor air quality in your home—240-224-3144.

Duct Sealing in Maryland

If you have high energy bills, leaky air ducts could be to blame. GAC Services is an authorized Aeroseal dealer—the nation’s bestselling duct sealing product. Duct sealing with Aeroseal can reduce air leakage through your ducts by up to 90 percent and saves the typical Maryland homeowner hundreds of dollars per year in energy costs.

Zoning Systems

A basic heating system will overcompensate for temperature variances in your home by pushing conditioned air throughout the entire residence, even those areas that don’t need it. This results in uneven temperatures throughout your home and high energy bills. The zoning system heats only those areas that need it, allowing you to enjoy more comfortable, even temperatures throughout your home as well as lower energy bills.

New Thermostat Installation

GAC sells and installs programmable thermostats by Bryant that go above and beyond simply changing your temperature settings. To do this, our Bryant thermostats monitor the outdoor temperature and humidity levels to ensure you experience the most comfortable home conditions.

Some of Bryant’s thermostats are so advanced that they can manage your humidity, ventilation, and zoning for maximum comfort and energy efficiency.

Humidity Control

Many of our products combine humidifiers with air purifiers to improve your indoor air quality as well as humidity control.

Air Purifiers & Air Cleaners

Installing an air purifier or air cleaner will dramatically improve the quality of your air by removing unhealthy toxins and airborne contaminants from your home. Air cleaners and air purifiers work to remove:

  • Mold, mildew, fungus
  • Cigarette smoke
  • Odors
  • Pet dander
  • Bacteria and viruses
  • And more

Air purifiers and air cleaners have also shown to reduce allergy symptoms and alleviate asthma symptoms.

Call GAC Services for Indoor Air Quality Services in Maryland

Contact our comfort specialists today to learn more about our indoor air quality services and to improve your home performance.

Request an estimate here »

"We wouldn’t think of using anyone else. We have always been very satisfied with your service and your wonderful staff. ****** rating!"
John Micheal, MD

The GAC Difference

“What do our customers want?” That’s the question that’s been driving the way we do business at GAC from the very beginning—back when you might have known us as Gaithersburg Air Conditioning & Heating!

While our name may have changed, the way we do business hasn’t.

Up-front pricing. 100% satisfaction guarantee. On-time service. Factory trained and nationally certified technicians. Respect for your home.

These are just a few reasons why your neighbors love working with GAC. It is this commitment to excellence, along with our friendly and honest professionals that has helped us satisfy tens of thousands of customers throughout Maryland over the years. And it is this that we consider the GAC difference.

Contact us to schedule service today.

We looking forward to serving you and hopefully making you a customer for life!

We proudly serve the following locations in Maryland:

Montgomery County: Ashton, Barnesville, Beallsville, Bethesda, Boyds, Brinklow, Brookeville, Burtonsville, Cabin John, Chevy Chase, Clarksburg, Damascus, Derwood, Dickerson, Gaithersburg, Garrett Park, Germantown, Glen Echo, Kensington, Laytonsville, Montgomery Village, Olney, Takoma Park, Poolesville, Potomac, Rockville, Silver Spring, Spencerville, Urbana, Washington Grove

Howard County: Clarksville, Columbia, Cooksville, Dayton, Ellicott City, Fulton, Glenelg, Highland, Woodbine

Frederick County: Adamstown, Braddock Heights, Buckeystown, Frederick, Ijamsville, Middletown, Monrovia, Mt. Airy, New Market

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The information on this website is for informational purposes only; it is deemed accurate but not guaranteed. It does not constitute professional advice. All information is subject to change at any time without notice. Contact us for complete details.