Heating & Cooling Resouce Guides
Be informed. Make better decisions. Download any of our FREE guides.
Resources
At Hillside Oil Heating & Cooling, we believe informed customers make better decisions. That’s why, as a full-service provider of HVAC and fuel services, we’ve developed a library of heating and cooling guides designed to educate and empower. Drawing on more than 70 years of real-world experience across Delaware, Maryland, and Pennsylvania, these resources provide clear, practical insights you can trust.
Backed by over 70 years of experience serving customers across New Castle County, DE, Cecil County, MD, and Southern Chester County, PA, these resources provide practical insights, tips, and answers.
Because at the end of the day, our mission is simple: keep you warm in the winter, cool in the summer, while doing customer service right.
If you need any of our heating or cooling services, please call us at 302-738-4144 (DE&PA) or 410-398-2146 (MD).
HVAC Services
This contact form does not substitute for a service call request. Please call our office 302-738-4144 or 410-398-2146. Thank You.
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
WE LOVE OUR CUSTOMERS
All of our work is guided by three generations of family attitudes and values – respect, loyalty, integrity, accountability, honesty, kindness. We pride ourselves on building excellent relationships with our customers, some of whom we have served for decades, and then gone on to serve their children for decades. Above all, we know what it’s like to be a customer and how we’d like to be treated.
That’s why we’re so honored to have received thousands of glowing ratings, reviews, recommendations, and testimonials from our heating and cooling customers. It means the care we put into our work shows through, and that we truly are doing customer service right.
Proudly Serving New Castle County, DE, Cecil County, MD and Southern Chester County, PA.
