Trustworthy Heating, Plumbing, and Air Conditioning Services for Customers in Gwynn Oak, MD

When local homeowners in Gwynn Oak, MD, need help with plumbing, heating, and cooling, there’s only one place they choose: Horizon Services. We offer a full range of diagnostic, repair, and installation services to keep families cool in the summer and warm in winter.

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Beyond technical know-how, we pride ourselves on delivering knock-your-socks-off customer service. We provide written estimates, industry warranties, and a commitment to getting the job done to your complete satisfaction. You’ll see why we’ve stayed in business for 30 years.

Air Conditioning

A professional tune-up is an affordable way to keep your AC unit at full power and max efficiency. We can also repair and upgrade your system with smart thermostats, new filters, and other cost-effective additions. Lower the temperature of your house and lower your energy bills, too.


Don’t let winter energy bills burn a hole in your wallet. Schedule a tune-up to ensure your heater is operating safely and efficiently. We also provide all manner of heating-related services for water heaters, heat pumps, boilers, and more.


Aside from heating and air conditioning, we’re also the community’s favorite choice for plumbing solutions. We do everything from fixing faucets and clogged drains to water line overhauls and major plumbing projects. Regular inspections help prevent expensive water leaks.

Horizon Loves Gwynn Oak

No matter where you are in 21207, we provide same-day service, next-day delivery, and industry warranties that provide true peace of mind. Let us design custom solutions for your heating, air conditioning, and plumbing needs.

We’re proud members of the Gwynn Oak community, known for the National Aquarium, Oriole Park, Fort McHenry National Monument. Of course, the best part of Gwynn Oak, Maryland, is the people and families who live here. Our customers trust us to get the job done right, and you will, too!

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Connecting you to your local Horizon team for expert technicians, same-day service, and a job done right.