Contact Horizon Services
For Service, Installation/Replacement/Sales and General Inquiries:
Call the number nearest you below to speak to a Horizon Services representative:
- In Wilmington and 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 Cecil County, MD: (410) 885-4219
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 5:00 pm
- After Hours: All calls will be taken by an On-Call Manager
Additionally, we will expand our weekend hours of operation until 8:00 PM anytime a weekend weather forecast calls for extreme heat or cold.
Home appointments — routine or emergency — can be made for any hour of the day, any day of the week. When you need us to be there, WE WILL BE THERE.
Our Offices:
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Horizon Services, Inc. |
Horizon Services, Inc. |
More Contact Information…
Schedule An Appointment Online
Use our handy online forms to schedule an appointment for a Service Call or for an In-Home Energy Analysis and Consultation. A Horizon Services Customer Service Representative will be in touch with you shortly thereafter to assist you.

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Refer a Friend!
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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.


Monthly Poll Question
Here’s your chance to cast your vote and share your thoughts on a multitude of topics. Each month, Horizon Services poses a different poll question related to our services (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. This real-time poll instantly tallies your vote and lets you know how your opinion or position compares with other poll respondents.

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Go Phillies!
Horizon Services is a Proud Partner of the National League Champion Philadelphia Phillies.






