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

Families in Annapolis Junction, MD, trust Horizon for our complete heating and cooling services. We have more than three decades of experience helping residents, and in that time we’ve learned that the most important things are honesty, transparency, and reliability. Whether you want a new installation or a professional tune-up, you can count on Horizon Services.

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Air Conditioning

Air conditioning is a crucial part of making a hot Maryland summer bearable. To help with that, we offer comprehensive tune-up services for existing systems. If you want a new AC, our licensed personnel can also examine the unique qualities of your house and provide personalized advice to ensure you get the correct system.


Every house needs a heater, and that’s especially true when the temperature starts dropping. We see this as a safety issue first and a business issue second, so we offer 24/7 emergency support at no extra charge. You can always count on Horizon to offer transparent, up-front pricing backed by industry-leading warranties on all work performed.

It’s easy to offer guarantees when you do the job right the first time!


From a leaky faucet to clogged pipes and other issues that are harder to see, our licensed plumbers can diagnose your problems and usually fix them on the spot. Issues with pipes can lead to high costs over time, so we’re determined to provide fast, responsive, and professional plumbing services.

Horizon Loves Annapolis Junction

As a resident or homeowner in Annapolis Junction, MD 20701, you’re familiar with local sites of interest like the National Cryptologic Museum. That’s the type of place that makes living and working in this area so rewarding for us. For new families and existing customers alike, you can trust Horizon Services for all of your heating and air conditioning needs.

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