Reliable Heating, Plumbing, and Air Conditioning Services for Families in Annapolis, MD


Homeowners in Annapolis, MD, rely on Horizon for heating and cooling services. With more than three decades of experience helping people just like you, we’re ready to provide new installations, professional tune-up services, and emergency repairs for all systems.

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Air Conditioning

When the temperature starts going up, air conditioning is one of the most effective ways of staying safe. We offer our tune-up services throughout the year, so your system can be ready for heavy use during summer, as well as guidance and installations if you want to get a new AC.


Nobody should live without a heater in the middle of a Maryland winter. That’s why we provide 24/7 emergency support from literally hundreds of fully-stocked trucks and ensure all of our personnel maintain the highest standards of professionalism and quality. On top of that, we don’t charge extra for emergency calls. and we offer transparent up-front pricing for all services.

Trust is something companies have to earn, and we’re committed to earning yours.


Whether you need help with a leaky faucet or damaged pipes deep inside your house, our plumbers can provide diagnostic services and fix almost any issue on the same visit.  These services include industry-leading warranties with no surprises and no excuses for anything less than perfection.

Horizon Loves Annapolis

As a homeowner in Annapolis, MD 21401, you know that local areas like the U.S. Naval Academy, the Annapolis Historic District, and the Quiet Waters Park make this a great place to live. We couldn’t agree more, and that’s why we love providing families and customers with a complete selection of heating and air conditioning services.

Whether you’re new to the area or a repeat customer, you can count on Horizon for fast service, honest pricing, and reliable repairs.