GAC Services

HVAC Services in Ellicott City, MD

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When you choose GAC Services, your Ellicott City HVAC installation and maintenance needs will be met with professionalism. We are committed to providing high-quality services that deliver improved indoor comfort for all those who need cooling and heating solutions in their home or business!

We know how important maintaining and installing an efficient HVAC system is for your household and investment. GAC Services does the job right the first time, so you can start enjoying the many benefits of a more energy-efficient system!

Contact the professionals at GAC Services in Ellicott City at Outdoor lighting installations: custom-designed landscape lights for your home.

  • Security lighting: lighting to keep your home or property safe and secure.
  • Circuit breaker services: including heavy ups and panel upgrades.
  • Generator services: including transfer panels and installation.
  • Under-cabinet lighting: useful and beautiful to enhance your kitchen.
  • Attic and bath fan installations and repairs.
  • Recessed lighting: using LED lamps for energy savings.
  • Chandelier lighting: bring beauty, luxury, and light together in one fixture.
  • Network wiring: including Cat 6 Ethernet wiring.
  • Outlet replacements: including GFI outlets, switch replacement, and USB outlet combinations for charging your phone or other devices.
  • Appliance wiring: for appliances (120 or 240 volts), electric cars, hot tubs, HVAC wiring, etc.
  • Smoke detectors and carbon monoxide detectors: new installations and upgrades available.
  • Dedicated circuitry: for appliances (120 or 240 volts), electric cars, hot tubs, HVAC wiring, etc.
  • USB port outlets: be able to charge all your electronics from any room with outlets that have USB ports.
  • Whole-home surge protection: to protect your home from dangerous power surges.
  • Breaker and fuse repairs and replacements: whether your home has a breaker panel or fuse box, we’ll ensure it’s in working condition to keep your home powered.
  • New construction electrical services: for new homes and properties built in Ellicott City.
  • Electronic vehicle (EV) charging station installations: install a dedicated circuit with GAC Services to speed up charging your car with a 240-volt charger.
  • All electrical repairs: if you have any electrical problem, our master electricians can fix it!

    • Contact GAC Services to discuss your options for electrical services in Ellicott City, MD, today! You can reach us at any time online, or give us a call at

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    Ellicott City, MD Heating Services

    Maryland winters are some of the coldest in America. When you need heating services, rely on an experienced team specializing in precision and expertise for all your needs! Our nationally certified technicians carry top-of-the-line products to keep homes warm while also saving energy costs — no matter how severe it may get outside.

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

    When it comes time to make sure your home’s heating is running smoothly, contact the pros at GAC Services. We’ll help you keep up with everything from routine maintenance visits and fuel deliveries to winter emergency services like downed power lines or blown furnaces!

    Contact us at Central air conditioners

  • Heat pumps
  • Geothermal units

    • Your heating and cooling system is one of the most essential components in your home. Without regular maintenance, you could experience high utility bills or, even worse, an entire system breakdown! Schedule an HVAC inspection before any problems arise by calling GAC Services today at Air cleaners and filtration

  • Air purification systems
  • UV light purifiers
  • Whole-home humidifiers

    • The GAC Difference

    Don’t trust your home’s HVAC and electrical systems to just any company. GAC Services, a family-owned business with over 50 years of experience in the Maryland area, should be your first choice for quality service at an affordable price! Don’t settle for less when it comes to taking care of essential aspects of your home like heating, electrical, or air conditioning systems.

    Contact GAC Services at

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    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!
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    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.

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    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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