Contact Horizon Services by Either Phone, Fax or Email.Contact Horizon Services

For Service, Installation, Replacement, Sales and General Inquiries:

Our friendly and experienced team of Home Comfort Consultants knows heating and air conditioning systems inside and out. They’ll take the time to study your home, understand your heating and cooling requirements, show you all of your options and assist you with finding the quality home comfort system that best meets your family’s needs and budget.


Call the numbers below to speak to a Customer Service Representative and schedule a FREE, no-obligation In-Home Energy Analysis with a Horizon Services Comfort Specialist.

  • In New Castle County, DE: (302) 442-7607
  • In Kent County, DE: (302) 724-6243
  • In Delaware County, PA: (610) 572-4300
  • In Chester County, PA: (610) 643-4226
  • In Montgomery County, PA: (215) 392-0934
  • In Bucks County, PA: (267) 991-0075
  • In Lehigh County, PA: (610) 696-0978
  • In Northampton County, PA: (610) 524-1707
  • In Gloucester County, NJ: (856) 318-2597
  • In Camden County, NJ: (856) 288-1751
  • In Burlington County, NJ: (609) 526-3098
  • In Mercer County, NJ: (609) 608-0815
  • In Middlesex County, NJ: (732) 564-5707
  • In Salem County, NJ: (856) 887-3392
  • In Somerset County, NJ: (908) 271-4715
  • In Carroll County, MD: (410) 346-5531
  • In Howard County, MD: (410) 929-6963
  • In Baltimore County, MD: (410) 415-9085
  • In Harford County, MD: (410) 670-5552
  • In Cecil County, MD: (410) 885-4219
  • In Montgomery County, MD: (240) 428-0731
  • Request an Appointment Online!



Extended Service Hours

Our team of Customer Service Representatives are available to speak with you to schedule service or answer your questions during the following hours:

  • Monday – Friday: 6:00 am to 11:00 pm
  • Saturday – Sunday: 8:00 am to 10:00 pm
  • After Hours: All calls will be taken by an On-Call Manager

Additionally, we will expand our weekend hours of operation anytime a weekend weather forecast calls for extreme heat or cold.

Schedule Appointments

Routine or emergency home appointments — can be made 24 hours a day, 7 days a week, 365 days a year with no overtime rates.
When you need us to be there, WE WILL BE THERE.



Office Locations

Horizon Services, Inc.

320 Century Blvd.
Wilmington, DE19808

Fax: (302) 762-9036

View Map!

Horizon Services, Inc.

900 Adams Avenue
Audubon, PA19403

Fax: (610) 728-6325

View Map!

Horizon Services, Inc.

17 Roland Avenue
Mount Laurel, NJ08054

Fax: (856) 234-4513

View Map!

Horizon Services, Inc.

2607 N. Rolling Road
Suite 201
Windsor Mill, MD21244

Fax: (410) 944-1777

View Map!



More Contact Information…

Schedule An Appointment Online

Use our web forms to schedule an appointment for service, for an In-Home Energy Analysis, and for preventative maintenance. A Horizon Services Customer Service Representative will be in touch with you shortly thereafter to assist you.

More About Schedule An Appointment Online »

Horizon Services Post Thumbnail

Send Us Your Feedback

Got something to say to our Customer Service department? Have You Recently Had a Service Call, Maintenance, Installation or Replacement? Got questions or comments about our website? We want to hear from you!

More About Send Us Your Feedback »

Horizon Services Post Thumbnail

Become a Horizon Services Insider

Sign up for our FREE monthly e-newsletter, full of useful news, tips and info. Enjoy member’s-only benefits including exclusive contests, discounts and coupons, and more... Sign Up Now!

More About Become a Horizon Services Insider »

Horizon Services Post Thumbnail

Refer a Friend

Tell Your Friends and Neighbors About Horizon Services Plumbing, Heating, Air Conditioning, Drain Cleaning or Sewer and Water Line Replacement Services.

More About Refer a Friend »

Horizon Services Post Thumbnail

Get Connected

Connect with and follow Horizon Services anytime, anywhere on Facebook, Google+, Pinterest, Twitter, YouTube, Foursquare and LinkedIn and other social networking sites. Get the latest Horizon news, promotions and updates even faster than ever!

More About Get Connected »

Horizon Services Post Thumbnail

Poll Questions

Periodically, Horizon Services poses a different poll question related to our services (i.e., plumbing, heating and air conditioning), as well as other topics of interest to folks like you…things like saving money, using energy efficiently, technology and more.

More About Poll Questions »

Horizon Services Post Thumbnail

Privacy Statement

Horizon Services respects your privacy. We will not share any personal information about you to any other parties or send you any unwanted email.

More About Privacy Statement »

Horizon Services Post Thumbnail

Terms of Use

Read more important information about the Horizon Services website.

More About Terms of Use »

Horizon Services Post Thumbnail

Horizon Supports Local Sports Teams

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