Horizon Services - Plumbing, Heating, Air Conditioning, Geothermal, Drain Cleaning, Sewer and Water Line ReplacementHorizon Services is the Only Full Service Company that Guarantees Plumbing, Heating, and Air Conditioning Repairs and Maintenance in Delaware, Southeastern PA, South New Jersey, and Northeastern Maryland.

From routine service to emergency repairs to sales and installation, Horizon Services is ready to meet ALL of your needs for plumbing, heating, air conditioning, geothermal, drain cleaning and sewer and water line replacement. Thousands of homeowners and businesses throughout Delaware, Southeastern Pennsylvania, South New Jersey, and Northeastern Maryland have relied on Horizon Services for over 20 years to fix problems, be there when we promise, save you money and guarantee everything we do in writing.


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Horizon Services won't leave you out in the cold this winter! Furnaces, hot water boilers, heat pumps, thermostats...we fix them all. Our heating technicians are experts in all home heating systems, all makes and models. We even offer a free carbon monoxide check with any heater repair.

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Air Conditioning

When temperatures are up and your air conditioning is down for the count, who are you going to call? Horizon Services, the air conditioning authority in DE, Southeastern PA, South NJ, and Northeastern MD! We service and repair all makes and models of air conditioners. And if you want to replace your old air conditioner, we sell and install reliable air conditioning systems that can maximize your energy savings and comfort.

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Geothermal Technology is the world’s most advanced, most cost-efficient HVAC system. Call Horizon Services today to schedule a FREE No Obligation thorough 60-minute pre-assessment of your system.

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From routine leaks and drips to major repairs of pipes, sinks and toilets, Horizon Services is THE plumbing company to call for fast, friendly, reliable service. We offer comprehensive repair, maintenance and installation of all types of pipes and fixtures. And our highly-trained plumbers handle emergency plumbing jobs quickly and efficiently. We won't leave you high and dry.

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Drain Cleaning

Got a blocked toilet, sink or tub? When your drains are clogged, don't grab a plunger--grab a phone and call the drain cleaning experts at Horizon Services. Our experienced drain cleaning professionals will diagnose the problem, safely clear the clog and get your home or office back in the flow in no time.

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Sewer & Water Line Replacement

Sewer line back-ups, cracked lines and tree roots in your lines are some of the worst headaches that a homeowner can face. Diagnosing these problems can be difficult; fixing them can be a nightmare. Not so with Horizon Services. Give us 30 minutes and we’ll tell you exactly what the problem is. And we can replace your water or sewer line without destroying your front lawn.

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Weather Conditions

Horizon Supports Local Sports Teams

Horizon Services is a Proud Partner of the Wilmington Blue Rocks, Philadelphia Union and the Camden Riversharks.

  • Better Business Bureau
  • Delware Best in the Businesss Award 2009
  • North American Technician Excellence