ABOUT US
About Hillside Oil Heating & Cooling
Our Mission: To Keep You Warm in the Winter and Cool in the Summer While Doing Customer Service Right.
Hillside Oil Heating & Cooling, family-owned and operated for 70 years, offers comprehensive services including heating oil delivery, heating and air conditioning, and commercial fuel solutions. We proudly serve residential and commercial clients in New Castle County, DE, Cecil County, MD, and Southern Chester County, PA, delivering home heating oil, diesel fuels, and gasoline.
Three generations of family values have shaped our success in serving our customers and communities. Everything at Hillside is locally owned and operated, free from any distant parent corporation.
At Hillside, real people answer our phones—no touch-tone mazes here. Customer service is our top priority. We treat our customers the way we want to be treated, taking pride in thinking like a customer in all our interactions.
Choosing Hillside means supporting a locally rooted, family-driven business. We appreciate your patronage and support.
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.
Our Awards
Verified Reviews
Don’t take our word for it…hear directly from our customers!
We are honored to have received hundreds of certified ratings, reviews, recommendations, and testimonials from our heating and cooling customers on Google, Facebook, and also from our website. It is why we’re the trusted home comfort experts in DE, PA, and MD.
If your home or business needs heating oil, diesel fuels, and gasoline, or you need a heating & air conditioning service company for new equipment installation, service, or repair, you can feel confident in choosing Hillside.
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.
