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WINTER DEALS

Winter Deals On A New Heating System

Heat Your Efficiently Home for Countless Years

Whether it’s furnace, boiler, heat pump, or a ductless mini-split, invest in a new heating system and take advantage of our Winter Heating Specials.

  • Up to $2,000 Federal Tax Credit*,
  • Special Financing**
  • $250 Instant Rebate
  • FREE wireless Wi-Fi thermostat upgrade with the purchase of a new installation or replacement.
  • Free 12-Year Extended Warranty***
Call 302-738-4144 (DE & PA) or 410-398-2146 (MD) or fill out the form on this page to schedule a FREE estimate with Jerry. 🙂

REQUEST A FREE ESTIMATE

*Starting in 2023, under the Inflation Reduction Act*, homeowners are eligible for a tax credit** of 30% of the cost, up to $2,000, for heat pumps and/or heat pump water heaters, in accordance with section 25C of the US tax code. Only certain models qualify for the tax credit, and you must have a tax liability from which to reduce your taxes. Consult your tax advisor for advice.

** Special financing for 36 months. Subject to credit approval.

*** 12-year parts and compressor warranty with the purchase of a Mitsubishi Ductless Mini-split System installed by a Diamond Contractor (Approx. $1000 Value) and registered within 90 days of installation.

And... Sign Up For One of Our
Worry-Free Winter Packages

Worry-Free Winter

Cost: $0

  • Automatic Oil Delivery
  • FREE Heater Tune-up ($249 value)
  • FREE Tank Guard ($99 value)
  • Basic Coverage Maintenance Plan Member ($89 value)
  • Budget Billing Plan
  • 15% Off any Service Invoice
NO UPFRONT COST AT ALL!

Click here to learn more!

Worry-Free Winter Premium

Cost: $299

  • Automatic Oil Delivery
  • FREE Heater Tune-up ($249 value)
  • FREE Tank Guard ($99 value)
  • Premium Maintenance Plan Member ($89 value)
  • Budget Billing Plan
  • 50% Off any Service Invoice

ENROLL TODAY FOR $299!

Click here to learn more!

Eligibility.
To be eligible, a customer must be a homeowner and enroll into 24-months of automatic oil delivery. Maintenance plan, Tune-up, and Tank-guard are free only for the first year. You will have the option to renew each year. Offers are subject to credit approval.

To learn more and enroll in our Worry Free Winter Package, call us at 302-738-4144 (DE&PA) or 410-398-2146 (MD)!

Join Over 5000 Customers Who Trust Hillside For

THE TRUSTED COMFORT EXPERTS OF DE, MD, & PA

Hillside Awards

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.
Posted on Facebook Facebook
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 54.8245 reviews
4.8Google star 1Google star 2Google star 3Google star 4Google star 5
Excellent245 reviews
Posted on Google Google
Frances, Livingston profile picture
Frances, Livingston
September 24, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Hillside came quickly and was able to resolve our problems quickly.
Posted on Google Google
Patrick Riley profile picture
Patrick Riley
September 16, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Michael is a fantastic person couldn’t ask for better service
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
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)

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