It's , : & We're Always Open
Call Today for Service (302) 440-3238
Your Delaware Professionals In

Air Conditioning, Heating &
Plumbing

Horizon employee at work smiling
Circular image of the sky

We’re Just a Phone Call Away!

Horizon Services of Delaware (302) 440-3238 Change Location
  • Horizon of Delaware $59 Heating Tune-Up See Specials
  • Horizon of Delaware $50 Off Any Plumbing Repair See Specials
  • Horizon of Delaware $50 Off Any Heater Repair See Specials
  • Horizon of Delaware Buy One, Get One Free $89 Heater Tune-Up + Free AC Tune-Up See Specials
  • Horizon of Delaware RECEIVE UP TO $1,600 OFF A NEW HEATER & AIR CONDITIONER WITH A MFR REBATE See Specials

A/C, Heating & Plumbing Services in Delaware

Comprehensive A/C, Heating & Plumbing Services Available 24/7

Dealing with a broken air conditioner? Need furnace maintenance? Facing a plumbing emergency? Contact the pros at Horizon Services! We’ve been offering reliable, affordable air conditioning, heating, and plumbing services in Wilmington, Newark, Middletown, and surrounding areas of New Castle County for nearly 30 years. We stand behind all our services with industry-leading warranties and a 100% customer satisfaction guarantee. Whether you need drain cleaning, heat pump replacement, sewer line repairs, or an A/C tune-up, you can count on our highly-trained team to get the job done.

Give us a call today to schedule your home cooling, heating, or
plumbing service with us! (302) 440-3238

Contact Us (302) 440-3238 Areas We Serve
  • bear
  • claymont
  • delaware city
  • hockessin
  • kirkwood
  • middletown
  • montchanin
  • new castle
  • newark
  • newport
  • odessa
  • port penn
  • rockland
  • saint georges
  • townsend
  • wilmington
  • winterthur
  • yorklyn
  • 19701
  • 19702
  • 19703
  • 19706
  • 19707
  • 19708
  • 19709
  • 19710
  • 19711
  • 19713
  • 19716
  • 19717
  • 19720
  • 19730
  • 19731
  • 19732
  • 19733
  • 19734
  • 19735
  • 19736
  • 19801
  • 19802
  • 19803
  • 19804
  • 19805
  • 19806
  • 19807
  • 19808
  • 19809
  • 19810
  • 19814
  • 19850
  • 19880
  • 19884
  • 19885
  • 19886
  • 19887
  • 19889
  • 19890
  • 19891
  • 19892
  • 19893
  • 19894
  • 19895
  • 19896
  • 19897
  • 19899

What Sets Horizon Apart

The Horizon Services Difference

When it comes to your home’s comfort and safety, you don’t want to cut corners. Instead, trust the leading air conditioning, heating, and plumbing company in the area for all your heating, air conditioning, and plumbing needs! At Horizon Services, we go above and beyond for our customers.

With more than 300 fully stocked trucks and a team of experienced air conditioning and heating technicians and plumbers, we’re ready to help you now! We guarantee on-time arrivals within a given time frame or your service is free!

Schedule your next service with Horizon Services in:

Need A/C, heating, or plumbing services in Delaware? Call Horizon Services today to find out how we can help you!

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

  • 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
  • "Coswell arrived near the beginning of the scheduled window and was very friendly and pleasant to deal with. It was raining and wet outside and he made sure to keep ..."

    - Lyle

    From Elkton, DE
  • "Service was provided the same day I contacted Horizon. The plumber was efficient in getting right to work, and helpful in responding to questions, as well as ..."

    - Jeff

    From Wilmington, DE
  • "Matt was prompt, courteous, able to identify the issue quickly, and very considerate of my newly cleaned carpets. Matt took care of the problem quickly. He provided ..."

    - Beth

    From Wilmington, DE
  • "Please note that even though I rated responsiveness a 5 I must say I am highly disappointed in the failure to receive an email reminder to schedule maintenance for ..."

    - Milissa

    From Bear, DE

Expert Tips

  • What You Need to Know About Carbon Monoxide Poisoning
    Read More
  • How to Test for Hard Water
    Read More
  • Plumbing Problems Homeowners Should Be Aware Of
    Read More