GAC Services

Heating, Air Conditioning & Electrical Services in Highland, MD

We’re setting new standards in the Maryland HVAC and electrical markets, one home at a time!

Whether you’re looking for HVAC or electrical service in Highland, you’re guaranteed on-time service, 100% satisfaction, upfront pricing, and respect for your home when you call the experts at GAC Services.

We invite you to check out our current promotions and read more about our extensive service offerings below. At any point, feel free to fill out the form to the right or call us today to schedule service.

“I didn’t know GAC Services offered electrical services in Highland!”

We do now! Your number one choice for cooling and heating services in Maryland can now be your number one choice for electric services. GAC Services is pleased to offer comprehensive electrical repairs, replacements, upgrades, and installations to customers in Highland.

Our services include but aren’t limited to:

  • Circuit breaker services, including heavy-ups and panel upgrades
  • Portable generator services, including transfer panels
  • Attic and gable fan services, including installations and repairs
  • Recessed lighting installation using LED lamps for energy savings
  • Network wiring, including Cat 6 Ethernet wiring
  • Outlet replacement, including GFI outlets, switch replacement, and USB outlet combinations for charging your phone or other devices
  • Smoke detector and carbon monoxide detector services, including new installations and upgrades
  • Dedicated circuitry for appliances (both 120 and 240 volt), electric cars, hot tubs, HVAC wiring, etc.
  • All electrical repairs – If you have any sort of electrical problem, our master electricians can fix it!

Need a Heating Contractor in Highland?

When you need solutions for keeping your home in Highland warm and comfortable, trust the experts at GAC Services. Our factory-trained and nationally certified technicians are armed with the best products and can help you identify the most affordable and energy-efficient way to heat your home.

We sell, install, repair, and service the following heating systems:

For affordable equipment installed and repaired by Maryland’s best technicians, contact the experts at GAC Services today.

AC Installation & Replacement

Whether your home doesn’t have an air conditioner at all or you are looking to have a newer, more efficient model to replace your old or broken one, GAC Services has a team of NATE-certified technicians that is ready to do the job well. Our team will help you select a properly sized air conditioner that will cool your home efficiently, then install it for you to ensure optimal function and comfort. Because our technicians are factory-trained, you can have peace of mind that your new AC unit will be installed according to the manufacturer’s best recommendations. With our help, you can have the confidence that your newly installed air conditioner will be exactly what your home needs.

AC Repair

In Highland, MD, GAC Services also offers a comprehensive list of air conditioning repair services. If your air conditioner is not giving you the output you need to stay comfortable, let our experienced team take a look. Some signs that you might need AC repair include:

  • Foul odors from the air conditioner

  • Unusual sounds from the air conditioner

  • Leaks from the indoor unit

  • Ice buildup on the outdoor unit

  • Reduced output from the cooling system

  • Uneven cooling through the home

At the first sign of these problems, reach out to the team at GAC Services. Call us at (240) 233-8498 or contact us online for a free quote for AC repair from factory-trained, nationally certified technicians.

AC Maintenance

At GAC Services, we believe prevention is better than reacting to problems. That’s why our air conditioning services include AC maintenance service in Highland. With annual maintenance, your air conditioner can work at its most efficient level, and you can reduce the risk of a breakdown. We recommend a maintenance appointment at the start of the cooling season for best results.

Schedule AC maintenance in Highland today! Contact us online to schedule. Ask about our maintenance program when you call.

The GAC Difference

“What do our customers want?” That’s the question that’s been driving the way we do business at GAC Services 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.

Upfront 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 Services. This commitment to excellence, along with our friendly and honest professionals, has helped us satisfy tens of thousands of customers throughout Highland over the years. And it is this that we consider the GAC Difference.

Contact us for a free replacement estimate on a new installation or to schedule service today. We’re looking forward to serving you and hopefully making you a customer for life!


Join GAC's Prime Maintenance Membership

  • High-performance seasonal tune-ups
  • 20% discount on heating and cooling services
  • 10% off electrical repairs
  • Emergency service
  • Reduced diagnostic fee
  • And more!

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.

Apply Online

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.

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