Reliable Heating, Plumbing, and Air Conditioning Services for Customers in Potomac, MD

Homeowners in Potomac, Maryland, have been depending on Horizon for their heating, cooling, and plumbing needs for years because of our commitment to prompt and thorough service. From plumbing emergencies to yearly heating and air conditioning maintenance, Horizon is there for you no matter what.

Our expert technicians are here for youSchedule Online Today

Any time of the day or night, you can call on us. So, what will you call on us for today?

Air conditioning

In the hottest days of summer, you want to keep your home comfortable without running up your energy bill. Professional yearly AC tune-ups keep your system running efficiently to keep your house cool and your bill even cooler. Our technicians are always willing to go the extra mile by installing air conditioning accessories and helping your program your smart thermostat for maximum efficiency.


Horizon is committed to keeping Potomac families cozy and comfortable in the winter. Our technicians receive continued training every year, so we can diagnose any system problems. By getting a yearly heater tune-up, we can catch any possible problems before they ruin your snow day. Our flexible scheduling helps you choose a time that works for you, and our industry-leading warranty on our work gives you peace of mind.


Plumbing emergencies can ruin your whole week. Let our highly trained techs come to take care of all your plumbing needs. From simple problems like a leaky faucet to full-scale emergencies, you can count on us to quickly resolve the problem. Whether you use a sump pump or are connected to the sewer, we can take care of your plumbing needs.

Horizon Loves Potomac

After thirty years serving the Potomac, MD, area, we’re just getting started. It’s not just the Billy Goat Trail or Great Falls Tavern Visitor Center that makes us feel at home at 20827. Our customers putting their trust in us is what makes it truly rewarding year after year.

Horizon Services Truck

Please Provide Your Home's Zip Code

Get the fastest service, most experienced local technicians and our best offers today.