Furnace hasn't been serviced in the past 12 months
Heating · Greater Seattle
Furnace Maintenance in Greater Seattle
Furnace maintenance visits start from $139 and typically include a full cleaning, safety inspection, and filter check. SPS Pro Services covers King and Snohomish counties, serving homes from older Seattle bungalows to newer builds in Bothell and Redmond.
Licensed, bonded & insured in WashingtonMon–Fri 8am–6pm · 24/7 emergencies
A furnace maintenance visit includes cleaning the burners and heat exchanger, checking gas pressure and ignition, testing the blower motor, inspecting the flue for proper venting, and replacing or checking the filter. Most homeowners in Western Washington schedule this in early fall before the first cold snap hits, since furnaces here run hard from October through April and rarely get a break during that stretch.
Symptoms we see daily
Signs you need furnace maintenance
Higher energy bills without a change in usage
Uneven heating between rooms or a room that never warms up
Rattling, clicking, or a burning smell when the system kicks on
System is more than 8 years old and has never had a professional tune-up
No surprises
How a furnace maintenance visit works
1
Initial inspection
Technician checks the thermostat, filter, and overall system condition before opening anything up.
2
Cleaning
Burners, heat exchanger, and blower components are cleaned of dust and debris that build up over a heating season.
3
Safety testing
Gas pressure, ignition, and the flue vent are tested to rule out carbon monoxide risks and confirm safe operation.
4
Component check
Belts, bearings, electrical connections, and the blower motor are inspected for wear before they become a mid-winter breakdown.
5
Final report
Homeowner gets a rundown of what was done and a heads-up on any part that's close to needing replacement.
What shapes your quote
These factors decide where your job lands in the range — and we walk you through each one on the written quote.
- Furnace age and whether parts are original or previously replaced
- Access to the unit, especially in older Seattle-area basements and crawlspaces
- Whether the system has been maintained regularly or is catching up after a few skipped years
- Additional repairs found during inspection, like a cracked heat exchanger or failing blower motor
Flat-rate pricing
Furnace Maintenance — what it costs
Conservative ranges for the Seattle metro. Your written quote is exact before work begins.
| Job | Typical price |
|---|---|
| Furnace Maintenance — tune-upFlat written quote before any work starts | from $139 |
| In-home assessmentExact flat quote for your specific job | Included |
| Emergency visit24/7 line, dispatched across our service area | Call for availability |
Prices reviewed by Sergei Petrov · July 2026. Parts availability can shift ranges — the quote you sign is final.
24/7 Emergency Line
Emergency dispatchNo heat at 11pm? We pick up.
Office hours are Mon–Fri, but the emergency line never closes. Call any hour and we dispatch a licensed tech across Greater Seattle.
Straight answers
Furnace Maintenance questions we hear most
How often should I schedule furnace maintenance?
Once a year is standard for most gas furnaces in the Seattle area, ideally in September or October before heavy use starts. Homes with pets, older units, or systems that run daily through winter sometimes benefit from a mid-season check as well.
Does maintenance prevent breakdowns?
It significantly lowers the odds. Most furnace failures we see trace back to a dirty component, a worn part that could've been caught early, or an ignition issue that builds up gradually. Regular maintenance catches these before they leave you without heat.
Do you service both PSE and Snohomish PUD areas?
Yes. We work throughout King County, served by Puget Sound Energy, and Snohomish County, served by Snohomish County PUD. Furnace maintenance itself isn't utility-dependent, but we're familiar with local permitting and inspection standards in both service areas.
Is maintenance worth it on an older furnace?
Often yes, especially if the unit is under 15-20 years old. Many homes in Bellevue, Everett, and Lynnwood still run furnaces installed in the 2000s or earlier, and a tune-up can extend their working life and catch safety issues before they become expensive.
Founder & Lead HVAC Technician, SPS Pro Services
EPA Section 608 UniversalNATE Core Certified14+ years in the trade
Reviews the pricing and service guidance on this page against SPS Pro Services's actual job records across King and Snohomish counties.
Prices reviewed July 2026
Need furnace maintenance? Get a straight answer today.
Call (206) 427-8907 to schedule furnace maintenance, Monday through Friday, 8am to 6pm.