How often do I need to service my HVAC system?

• <div><p>You need to service an HVAC system about twice per year, with a service including an inspection and basic maintenance. It’s best to schedule maintenance in the spring (after the furnace has been running and before the AC kicks on) and in the fall (after the AC worked hard all summer and before winter’s first chill arrives). </p><p>Regular HVAC services will keep the system working as efficiently as possible, saving you money on utilities and larger repairs. <a href="https://www.angi.com/articles/ac-service-cost.htm">HVAC maintenance costs</a> around $250 per visit, while bigger repairs from forgotten upkeep could cost thousands.</p></div>

Do you need backup heat with geothermal?

• <div><p>If a geothermal heat pump is installed correctly, then you shouldn’t have to worry about having a backup heat source such as a <a href="https://www.angi.com/articles/furnace-and-heating-basics.htm">furnace</a> or oil boiler. However, there are geothermal systems installed that include a backup in case the heat pump fails due to extreme cold. This is simply a backup heat pump you’ll likely never need and not an alternative heat source.</p></div>

How long do geothermal systems last?

• <div><p>You can expect a geothermal system to last for years. According to the <a href="https://www.energy.gov/sites/prod/files/guide_to_geothermal_heat_pumps.pdf">Department of Energy, </a>the underground infrastructure for the heat pumps lasts about 25 to 50 years, which includes the pipes buried in the soil. The actual heat pump itself has a life span of around 25 years.</p></div>

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Verified Reviews for Heating Oil Service pros in Marcellus, NY

*The Angi rating for Heating Oil Service companies in Marcellus, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

*The HomeAdvisor rating for Heating Oil Service companies in Marcellus, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

Last update on November 24, 2025

Reviewed in August 2024
We had JSW replace our hot water heater and a toilet. They were excellent. Clean. Efficient. Great workmanship.
JSW Heating & Cooling, LLC
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Reviewed in July 2020
replaced water heater
Charles Heating and Air Conditioning
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Reviewed in August 2019
He also replaced a strut, hinges, bolts and oiled/serviced/adjusted everything. Great job!
Senke's Specialty Service Inc
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Reviewed in November 2018
Mike McCarthy and Josh from Charles Plumbing and Heating installed my new furnace. They were professional, clean, prompt, and pleasant to have around
Home Inspection Professionals
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Reviewed in July 2015
I had used this company in years past, but it appears since it came under new ownership the service has declined in the last few years I used them.My last interactions with them a worker came out he didn't get the nozzle on correctly on the furnace correctly and oil spread out all over the floor...
E&V Energy
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Reviewed in September 2013
Went for an oil change. Technician as a courtesy topped off fluids and air pressure in tires. Checked overall condition under the car.
Pittsfield Tire & Auto
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Reviewed in June 2012
Daniel D'Amico Plumbing and Heating is really good. He is licensed. I will continue to use him.
D'Amico Plumbing & Heating
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Reviewed in January 2012
They are an excellent service and they come on time and get the job done without a second visit. They have replaced my hot water heater, outdoor faucet, sump pump and the back-up system as well.
J & J DESANTIS PLUMBING CO INC
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Reviewed in October 2009
They were very good. They came out right away and fixed the problem. They oiled everything and changed my light bulb, too. I don't remember the exact price, but I know it wasn't very much. It was a very good experience.
RAYNOR OVERHEAD DOOR SALES COMPANY INC
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Heating Oil questions, answered by experts

You need to service an HVAC system about twice per year, with a service including an inspection and basic maintenance. It’s best to schedule maintenance in the spring (after the furnace has been running and before the AC kicks on) and in the fall (after the AC worked hard all summer and before winter’s first chill arrives).

Regular HVAC services will keep the system working as efficiently as possible, saving you money on utilities and larger repairs. HVAC maintenance costs around $250 per visit, while bigger repairs from forgotten upkeep could cost thousands.

For most systems, an annual HVAC system service is more than enough. Some homeowners prefer a twice-a-year visit to ensure the system is ready for the upcoming summer and winter seasons. If you need to call an HVAC pro more often than this, it may be time to check if your system is getting old enough for a replacement.

If a geothermal heat pump is installed correctly, then you shouldn’t have to worry about having a backup heat source such as a furnace or oil boiler. However, there are geothermal systems installed that include a backup in case the heat pump fails due to extreme cold. This is simply a backup heat pump you’ll likely never need and not an alternative heat source.

You can expect a geothermal system to last for years. According to the Department of Energy, the underground infrastructure for the heat pumps lasts about 25 to 50 years, which includes the pipes buried in the soil. The actual heat pump itself has a life span of around 25 years.

DIY maintenance like filter cleaning is possible, but professional servicing ensures proper pressure, refrigerant levels, and loop performance.

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