About Oil Heating

Phone:

302-738-4144 (DE & PA) 410-398-2146 (MD)

Fax:

302.738.5879

Mailing Address:

Hillside Oil Heating & Cooling
40 Brookhill Drive
Newark, DE 19702

Hours:

Monday—Friday: 7:30 AM–4:30 PM

Emergency Service for Heating and Cooling Repairs. After hours for Maintenance Plan customers only

Hillside Heating & Cooling is an award-winning, full-service heating, air conditioning, heating oil delivery, and commercial fuel company serving residential and commercial customers for over 73 years in New Castle County, DE, Cecil County, MD, and Southern Chester County, PA. Having earned over 3,000 certified 5-star reviews and testimonials, Hillside is committed to its mission, “keeping customers cool in the summer and warm in the winter while delivering customer service right.”

THE TRUSTED COMFORT EXPERTS OF DE, MD, & PA

© Copyright 2024. Hillside Heating & Cooling. All Rights Reserved.