Heating HVAC company Hillside

HEATER TUNE-UP & MAINTENANCE

Heating System Tune-Up and Maintenance in DE, PA, and MD

Coming home to a cold house is never pleasant—especially when you’re paying to keep it comfortable!

Let Hillside HVAC tune up your heating system. A furnace or boiler tune-up can pay for itself by preventing frequent failures, inefficient performance, and poor indoor air quality. Hillside Heating & Cooling is the top specialist in furnace cleaning and maintenance in New Castle County, DE, Cecil County, MD, and Southern Chester County, PA. Schedule our 30-point Furnace Tune-Up to keep your heating system running smoothly this season.

If your heating equipment needs replacing or you decide to upgrade, Hillside will credit the cost of this maintenance plan toward your new installation.

Why Do I Need a Furnace Tune-Up?

Annual tune-ups are crucial for preventing frequent failures, improving efficiency, and maintaining indoor air quality while keeping your warranty valid. Manufacturers often void warranties if annual maintenance is not performed, so regular inspections and maintenance by a qualified HVAC technician are essential. Moreover, preventative maintenance helps you catch issues before your furnace breaks down on a cold winter night, saving you from costly emergency repairs.

What’s Included in a Furnace/Boiler Tune-Up?

Hillside Heating & Cooling’s 30-point Furnace Tune-Up includes:

  • Replacement of the nozzle, oil filter, and pump strainer
  • Cleaning, lubricating, and adjusting the burner, inspecting and adjusting controls as needed
  • Vacuuming and cleaning the boiler or furnace, smoke pipe, and base of the chimney (where accessible)
  • Inspecting and cleaning the combustion chamber, oil circulating pump or fan motor, and bearings
  • Cleaning and adjusting the electrode and high-tension leads
  • Checking the pump, and examining belts, pulleys, and couplings

Warm Air Systems:

Coverage for parts and labor associated with repairs or replacements due to normal wear and tear for one year. If equipment replacement or upgrade is needed, Hillside will credit the maintenance plan amount toward the replacement. The customer must schedule an annual tune-up to maintain the furnace’s condition.

Covered parts include:

  • Electrodes
  • Nozzle
  • Pump strainer
  • Fan & limit control
  • High tension lead
  • Oil burner motor
  • Draft regulator
  • Combustion Chamber
  • Thermostat (Plain)
  • rive Couplings
  • Smoke pipe (up to 10’)
  • Shaft/bearings
  • Transformer
  • Fuel oil pump
  • Fuel oil filter
  • Primary relay
  • Burner fan
  • Blower motor
  • Blower belt
Hot Water (Boiler) Systems: Includes all parts covered for warm air systems, plus:
  • Feed Valve
  • Relief Valve
  • Aquastat
  • Circulator Motor
  • Drive & Bearing Assembly
  • An extra $20.00 is charged for each additional circulator

Hillside Maintenance Plans:

Regular cleaning and maintenance prevent equipment failures, improve performance, and maintain indoor air quality. Hillside’s maintenance plans include annual tune-ups to clear dirt and debris, discounted parts and labor, and priority service options. Our goal is to keep your system running efficiently, extend its lifespan, and save you money on your utility bill while avoiding unexpected breakdowns.

Learn more about Hillside’s convenient maintenance plans!

REQUEST HEATER TUNE-UP

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

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 54.8244 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.
Posted on Google Google
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.
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)

Scroll to Top

CONTACT US

CALL US

SPECIALS