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Your Howard County Professionals In

Air Conditioning, Heating &
Plumbing

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We’re Just a Phone Call Away!

Horizon Services of Howard County (410) 892-1898 Change Location
  • Horizon of Howard County $92.50 Off Any Plumbing Repair See Specials
  • Horizon of Howard County $100 Off Any Well Pump Repair Over $200 See Specials
  • Horizon of Howard County 15% off Any water treatment system See Specials

Columbia A/C, Heating & Plumbing Company

Same Day Service & Next Day Installations Available

When you need air conditioning, heating, or plumbing services in Columbia, Ellicott City, and Howard County, MD, Horizon Services is here to help. With nearly three decades of industry experience, we have the skills and expertise to handle everything from new system installation to product repair to replacement, maintenance, and more. We proudly offer same day service and next day installations at no additional charge, as well as a number of financing options so you can get the service you need now, and pay later. We even offer 24/7 emergency air conditioning, heating, and plumbing. Give us a call at any time of the day or night, Monday through Friday, and we will gladly assist you. We understand that you can’t predict when an emergency will occur, which is why we never charge extra for our emergency services.

Our services include repairs, replacements, tune-ups, and emergency services for:

  • Air conditioners
  • Furnaces
  • Boilers
  • Heat pumps
  • Sump pumps
  • Sewer and water lines
  • Drains
  • Water heaters
  • And more!

Give us a call today to schedule your home cooling, heating, or
plumbing service with us! (410) 892-1898

What Sets Horizon Apart

At Horizon Services, we offer comprehensive services for your home’s heating, air conditioning, and plumbing systems. Our technicians are continually trained throughout the year, giving them the ability to provide you with superior services, every time.

Our friendly and professional technicians will arrive right on-time, guaranteed—if we’re even one minute later than the give window of time, your service is free! We conduct extensive background checks and drug tests on all our employees in order to offer you greater peace of mind, and our Columbia, Ellicott City, and Clarksville plumbers and air conditioning and heating experts are up-to-date on the latest innovations and cutting-edge technologies.

Request Service Today
  • Same Day Service & Next-Day Installation With Over 300 Trucks, We’re Ready NOW!
  • Clean, Friendly Technicians Background Checked & Drug Tested For Your Protection
  • Expert Installation All Techs are Trained 150+ Hours Each Year

Our Awards

What Our Customers Are Saying

  • Air Conditioning 0 Reviews
  • Heating 0 Reviews
  • Plumbing 0 Reviews
  • Responsiveness
  • Punctuality
  • Quality of Work
  • Professionalism
  • Horizon Employee Hard at Work
  • Horizon employee working hard
  • Horizon employee talking to customers
  • "The technician did a really thorough job. In all the times I have had your technicians here ( i get my furnace and AC serviced every year once before summer and once ..."

    - Yasmeen

    From Jessup, MD
  • "Brian is the kind of sales associate you really want to deal with. Very professional, personable, and helpful. Very friendly with excellent communication skills. ..."

    - Nigel

    From Columbia, MD
  • "It's all good!"

    - John

    From Columbia, MD
  • "The professional on site were courteous and personable. They did a great job explaining each step of the installation."

    - Kristy

    From Columbia, MD

Expert Tips

Contact Us (410) 892-1898 Areas We Serve
  • annapolis junction
  • brookeville
  • clarksville
  • columbia
  • cooksville
  • dayton
  • elkridge
  • ellicott city
  • fulton
  • glenelg
  • glenwood
  • hanover
  • highland
  • jessup
  • laurel
  • marriottsville
  • mount airy
  • savage
  • sykesville
  • west friendship
  • woodbine
  • woodstock
  • 20701
  • 20723
  • 20759
  • 20763
  • 20777
  • 20794
  • 20833
  • 21029
  • 21036
  • 21042
  • 21043
  • 21044
  • 21045
  • 21046
  • 21075
  • 21076
  • 21104
  • 21163
  • 21723
  • 21737
  • 21738
  • 21771
  • 21784
  • 21794
  • 21797