boiler install Hillside

BOILERS

Boiler Installation, Repair, and Maintenance In DE, PA, & MD

Services For Your Radiant Heating System

For over 70 years, Hillside has been the trusted expert for boiler installation, repair, and maintenance services in Delaware, Pennsylvania, and Maryland. If you’re considering a new boiler installation this season, look no further. Whether you’re replacing an old boiler or need a new one for a construction project, we offer free estimates on all boiler replacements and installations.

Switching to a high-efficiency boiler system can lead to significant savings on your annual fuel costs, allowing you to enjoy both energy efficiency and enhanced comfort in your home or business.

Our skilled technicians are fully trained and certified to install, maintain, and repair these heating systems. With decades of experience, you can rely on Hillside for all your boiler needs, including installation, routine maintenance, and emergency repairs. 

For a FREE QUOTE, call us at 302-738-4144 (DE&PA) or 410-398-2146 (MD). We’ll give you an HONEST ESTIMATE for any boiler installation, repair, or maintenance service.

Request Boiler 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.

BOILERS

Join Over 5000 Customers Who Trust Hillside For

THE TRUSTED COMFORT EXPERTS OF DE, MD, & PA

Hillside Awards
Hillside Oil Heating & Cooling proudly serves New Castle County, DE, Chester County, PA, and Cecil County, MD with trusted heating oil delivery, HVAC service, and expert home comfort solutions.

Proudly Serving New Castle County, DE, Cecil County, MD and Southern Chester County, PA.

Call Hillside Oil Heating & Cooling at 302-738-4144 for DE & PA or 410-398-2146 for MD

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

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.

ExcellentFacebook star 1Facebook star 2Facebook star 3Facebook star 4Facebook star 55.0223 reviews
5.0Facebook star 1Facebook star 2Facebook star 3Facebook star 4Facebook star 5
Excellent223 reviews
Posted on Facebook Facebook
Joe Roach profile picture
Joe Roach
January 29, 2025
positiverecommends
Hillside is great for both repairs and major system replacements. Reasonable prices and great service!
Posted on Facebook Facebook
Lauren Riebel profile picture
Lauren Riebel
November 26, 2024
positiverecommends
This was our first time using this company & we will absolutely be using them again. Our technician was extremely knowledgeable & friendly. He really took the time to explain everything to us & didn’t try to sell us something new. I would 100% recommend this company to anybody in the area for any of your heating and cooling needs.
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Wendy Lewis profile picture
Wendy Lewis
July 25, 2024
positiverecommends
My technician, Michael Fields II, assures me that all is well with my systems. I trust his assessment so feel confident that we will stay cool this summer and be warm this winter. He was polite, friendly, considerate, and EXTREEMLY popular with my pets. Bodhi and Baxter, one of the 2 dogs and one of the 2 cats, were very happy to follow him everywhere in the house. All 4 pets waited for him each time he went outside and made sure to get pets upon his return. I love that Michael came back this year and continues to take care of my systems as his father did before him. Very cool! Many thanks, and the crew looks forward to his return!
ExcellentGoogle star 1Google star 2Google star 3Google star 4Google star 54.8244 reviews
4.8Google star 1Google star 2Google star 3Google star 4Google star 5
Excellent244 reviews
Posted on Google Google
R M profile picture
R M
August 25, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Very professional. Highly recommend
Posted on Google Google
Brandon Elman profile picture
Brandon Elman
August 17, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Justin from Hillside came out to do a tune-up on our heat pump with auxiliary oil and replace a fuel gauge. He was very helpful in answering questions and service was fast, professional, and affordable.
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Aaron Wright profile picture
Aaron Wright
August 12, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Great service by great people. Highly recommended.
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