Dependable Heating, Plumbing, and Air Conditioning Services for Customers in Gaithersburg, MD 

Homeowners, families, and customers have depended on Horizon Services for almost 30 years. In all that time, we’ve provided the best-quality heating and air conditioning and plumbing services. We are ready 24/7 for jobs of any size with the best technicians, customer service, and guarantees in the industry.

Our expert technicians are here for youSchedule Online Today

Air Conditioning

With Horizon on your side, your home’s heating and cooling system will run all season. Call on us for emergencies or routine maintenance and a professional tune-up. If your air conditioning ever fails, you can rest assured we’ll come fast and get your AC working ASAP. However, we never charge extra for emergency services.


Whether your home’s heater is a furnace, boiler, or heat pump, our highly-trained technicians handle them all. Schedule a tune-up and keep your home warm and cozy. As always, we’re prepared 24/7 for emergency services, or routine repairs, and maintenance. Plus, we can upgrade your home with a full system installation with the latest energy-efficient technology.


A clogged drain or leaky faucet can be a pain. For jobs of any size, our friendly, local plumbers are ready. We know plumbing jobs are messy, so we treat your home like it’s our own. Using the latest technology, we can replace sewer and water lines or repair sump pumps. As always, our 100% satisfaction guarantee assures the best quality work on time for affordable rates.

Horizon Loves Gaithersburg

Horizon Services loves Gaithersburg, MD 20697. When we’re not working, you might meet our friendly, local technicians at places like the Gaithersburg Community Museum. We’re proud of keeping homeowners, families, and customers in the Gaithersburg area comfortable all year. Thanks for depending on us as we strive to offer you the best service possible for many years to come.


Horizon Services Truck

Welcome to Horizon Services!

Serving our community for over 30 years with best in class services, Same Day - 24/7 Emergency Appointments with No Extra Fees and Industry-Leading Warranties.
Please enter your zip code and select your city.

Providing your zip code will confirm Horizon Services is available in your area and unlock local online scheduling, special offers and other benefits specific to your home!