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

Horizon Services is Cabin John’s one-stop-shop for heating and cooling and plumbing needs. We offer the homeowners, families, and customers of Maryland comprehensive services that will make your home livable again, from professional tune-ups to repairs and more.

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For over thirty years, we have been Cabin John’s heating, cooling, and plumbing provider of choice. Outstanding customer service, reliable results, and affordable pricing are some of the reasons why our customers choose us time and again.

Air Conditioning

Prepare for the summer months with a tune-up to help your existing AC unit run like new, or contact us to have a new air conditioning system installed. Horizon Services also provides speedy repairs so that you won’t be without air conditioning when the temperatures soar. Additionally, we install AC accessories like digital thermostats, humidifiers, and UV bulbs.


Heating is a central part of maintaining you and your family’s comfort once the cold weather arrives. Horizon Services has years of experience in heater maintenance, installation, and repair. No matter what the issue, we’ve got the know-how to fix it.


Have you noticed off-color water coming from your faucet? Perhaps that toilet clog has become so bad you can no longer ignore it. Horizon Services team of handy plumbers has seen it all, and there’s no job too big or too small for us.

Horizon Services Loves Cabin John

Wherever you live, whether that’s near Lockhouse 10 – C&O Canal Trust, Carderock Springs Neighborhood Conservation Area, Seven Locks Park, or elsewhere, Horizon Services is ready to assist you. We are proud to provide the 20818 area with our plumbing and heating and air conditioning services and hope to continue serving MD residents well into the future.

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