Call Today for Service (240) 570-7138
Your Montgomery County Professionals In

Air Conditioning, Heating &
Plumbing

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We’re Just a Phone Call Away!

Horizon Services of Montgomery County (240) 570-7138 Change Location
  • Horizon of Montgomery County $100 Off Sump Pump Installation See Specials
  • Horizon of Montgomery County UP TO $1700 MFR REBATE A Complete New System See Specials
  • Horizon of Montgomery County $250 Off Any New Water Heater See Specials

Air Conditioning, Heating & Plumbing Services Germantown

Comprehensive Repair, Replacement, Installation & Maintenance

Since 1989, Horizon Services has been proud to offer a complete range of A/C, heating, and plumbing services in Germantown, Gaithersburg, Rockville, Bethesda, and Montgomery County, MD. For almost 30 years, we’ve been leading the industry with top-quality workmanship, reasonable rates, and unmatched customer service. From air conditioner repair to heat pump replacement to sump pump installation, and routine system maintenance, our team of experts can keep your home comfortable and safe all year long.

Give us a call today to schedule your home cooling, heating, or
plumbing service with us! (240) 570-7138

What Sets Horizon Apart

We Stand Behind Our Services

At Horizon Services, we believe that the best home services are the ones that last. That’s why we stand behind all our work with a number of industry-leading warranties and customer guarantees. When you choose us for your next Germantown A/C, heating, or plumbing service, you can rest assured that you’re receiving the best services in the area.

Our technicians receive ongoing training in both craftsmanship and customer service. When you rely on us, you can count on superior services from a friendly, reliable, and experienced team.

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
  • "Mr. Caldwell was extremely courteous and professional. He clearly explained the services that would be done and what had been."

    - Daniel

    From Silver Spring, MD
  • "Olakunie Ljelu, the HVAC Service Technician did an excellent job tuning up our two air conditioners. He was responsive (answered questions and provided information), ..."

    - Doris & Ernest

    From Silver Spring, MD
  • "Giovanni Vivar inspected my air conditioner and it was superb. He checked my AC downstairs to ensure the water was being pumped away correctly. He check the AC air ..."

    - mark

    From olney, MD
  • "Thank you. Its so nice to have peace of mind."

    - Hibest

    From Burtonsville, MD

Expert Tips

Contact Us (240) 570-7138 Areas We Serve
  • arcola
  • ashton
  • barnesville
  • beallsville
  • bethesda
  • boyds
  • brinklow
  • brookeville
  • burtonsville
  • cabin john
  • chevy chase
  • clarksburg
  • damascus
  • derwood
  • dickerson
  • gaithersburg
  • garrett park
  • germantown
  • glen echo
  • highland
  • hyattsville
  • kensington
  • laurel
  • miquon
  • montgomery village
  • mount airy
  • olney
  • poolesville
  • potomac
  • rockville
  • sandy spring
  • silver spring
  • spencerville
  • takoma park
  • washington
  • washington grove
  • woodbine
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