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Air Conditioning, Heating &
Plumbing

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Horizon Services of Howard County (410) 892-1898 Change Location
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  • Horizon of Howard County 15% off Any water treatment system See Specials
  • Horizon of Howard County $125 Off Any Sewer or Water Line Replacement See Specials
  • Horizon of Howard County ONLY $59 Gas or Electric Heater Tune-Up 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

What Our Customers Are Saying

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  • Heating 0 Reviews
  • Plumbing 0 Reviews
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  • "Technician was great. The scheduling left a lot to be desired. I was called 3 times the day prior to my scheduled appointment, and then the morning of the ..."

    - Terry

    From Woodbine, MD
  • "Tony, my technician, was very professional and personable. The service done was quick but thorough. I felt Horizon Services was honest and did the job with integrity ..."

    - Jennifer

    From Ellicott City, MD
  • "Daniel impressed me with his knowledge to help solve a difficult problem created by a previous company's inferior work. Several others had examined the problem and ..."

    - James

    From Jessup, MD
  • "The technician, Quintin, made suggestions but did not use any high-pressure tactics to try to sell me something. He made sure to tell me that the estimate was ..."

    - William

    From Columbia, MD
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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