Charlie the Hillside HVAC mascot Bernese Mountain Dog
Delaware 302-738-4144
Maryland 410-398-2146

You are here

Service Area

Hillside Heating & Cooling is located in Newark, DE and services areas in Delaware, Maryland, and parts of Pennsylvania. If you are unsure or even if you are outside our service area, please call and we can determine if Hillside is the right fuel supplier for you.

  • New Castle County, DE
  • Cecil County, MD
  • Southern Chester County, PA
  • Delaware, Pennsylvania Please Call: 302.738.4144
  • Maryland (and surrounding area) Please Call: 410.398.2146

If you are just interested in more info please take a minute to fill out the form here so we can assist you.