Our Service Areas
Hillside Heating & Cooling is a full-service home heating oil company as well as a full-service heating and air conditioning company proudly serving New Castle County, DE, Cecil County, MD and Southern Chester County, PA
If you are unsure if you are within our service area, please call, and we will determine if Hillside is the right fuel supplier and HVAC company for you.
- New Castle County, DE please call: 302.738.4144
- Southern Chester County, PA please call: 302.738.4144
- Cecil County, MD please call: 410.398.2146
Choosing Hillside means supporting a family-driven, community-focused company that values your trust and patronage. For three generations, our locally owned and operated business has prioritized customer service. With real people answering your calls—no automated systems—we treat our customers the way we want to be treated, ensuring a personal and reliable experience every time.
Contact Us
This contact form does not substitute for a service call request. Please call our office 302-738-4144 or 410-398-2146. Thank You.
Locations We Serve
How Can We Make You Comfy Today?
This contact form does not substitute for an order, fuel delivery, or service call request. Please call our office at 302-738-4144 or 410-398-2146. By submitting, you authorize Hillside Oil Heating & Cooling to reach out via phone, email, or text for general communication. We will never share your personal information with 3rd parties for marketing purposes or spam you. You can opt out at any time. Message/data rates apply. Consent is not a condition of purchase.
Join Over 5000 Customers Who Trust Hillside For
- Modern Energy-Efficient Products
- Exceptional Customer Service
- Fast and Flexible Scheduling
- Up-Front and Fair Pricing
- Industry Leading Warranties
- Excellent Service and Maintenance Plans
- Courteous and Professional Technicians
- Over 70 Years of Industry Expertise
THE TRUSTED COMFORT EXPERTS OF DE, MD, & PA
Proudly Serving New Castle County, DE, Cecil County, MD and Southern Chester County, PA.
