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>

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TRUSTED BY CHELAN, WA HOMEOWNERS

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Verified Reviews for Heating Oil Service pros in Chelan, WA

*The Angi rating for Heating Oil Service companies in Chelan, WA 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 Chelan, WA 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 October 23, 2025

Reviewed in January 2018
I have been buying furnaces from All Weather for 15 years, and it doesn't get any better than this when it comes to customer service and installation. Yesterday I had them install a new gas furnace at our place of business, and the install went perfect! Trenton and Trey did an awesome job...
All Weather Heating & Cooling Inc.
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Reviewed in January 2017
First. They were asked to do one thing only. They were asked to remove the vinyl floor covering so that my handyman could inspect the flooring underneath. Yet they went way beyond that and then asked my handyman to sign a document giving them permission to do what they had not been asked to do....
PAUL DAVIS RESTORATION & REMODELING
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Reviewed in March 2016
Super nice on the phone. Was flexible as I was having flooring replaced at the same time. Flooring took longer than expected and they were very gracious about rescheduling. Arrived on time and replaced heater quickly.
Chipper Plumbing & Radiant
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Reviewed in February 2016
Provider came out to clean ductwork, furnice, a/c as part of a "Angies Deal". Immediately started inspecting the water heater, etc. We ended up replacing the water heater with a large 75 gal unit. It definitely needed it .... approximately 20 yr old with lots of internal rust and a failed surge...
Hunt's Services
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Reviewed in August 2014
It went vey well. The crew was on time.....they were very polite and professional. They had to go from the backdoor through the living room to get to the crawl space in our attic. They were extremely quiet and took extreme care while moving things in and out. They also vacuumed up all from...
CHEHALIS SHEET METAL HEATING & COOLING & ROOFING
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Reviewed in April 2014
It could well have been just my interaction with the technician who brought out a dead mouse on the filter just to tell me that I had been remiss at changing the filters. In my opinion he should have located how the mouse got into the heating system in the first place. I would not really like...
Peninsula Heat
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Reviewed in March 2014
My puppy was very scared of water before he worked with Beth, the owner of Happy Tails Resort and Spa. She has a large heated indoor swimming pool where she has been helping to de-sensitize him and make him less scared of water. She also works with animals that have injuries or are elderly. She...
Beth Meyer
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Reviewed in November 2012
Prompt and stayed in communication. They replaced both tension springs in my garage door, replaced a cable, adjusted the automatic settings, and oiled up the chain. Gararge door works better than it ever has!
ROBBINS GARAGE DOOR CO
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Reviewed in July 2012
DAVE'S HEATING and COOLING SVC has been servicing our heating and cooling unit. They have great customer service. I have never had any complaints with them.
DAVE'S HEATING & COOLING SVC
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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.

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.

There are three main types of heat pumps. An air-source heat pump system is the most common and has two parts—an indoor air handler unit and an outdoor heat pump unit. A ductless heat pump system functions similarly to an air-source heat pump system but doesn’t need ductwork to distribute the air. A geothermal heat pump system pulls heat from the ground to help heat your home.

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.

Yes, technicians check refrigerant levels, loop performance, and system calibration for peak efficiency.

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