Heat pump runs constantly but rooms never quite reach the set temperature
Heat Pumps · Seattle, WA
Heat Pump Maintenance in Seattle, WA
Heat pump maintenance in Seattle starts at $179 for a full tune-up, performed by SPS Pro Services technicians serving King and Snohomish counties. Most appointments are scheduled within 48 hours, and a standard tune-up takes about 60 to 90 minutes on site, with same-week availability most of the year.
Typical costfrom $179
WarrantyWorkmanship warranty
AvailabilitySame-week visits
HoursMon–Fri 8am–6pm
Seattle's marine climate means your heat pump doesn't get a season off. It runs nearly year-round, serving as your primary heat source through damp, 40-degree winters, then switching straight into cooling mode during summer heat waves. That constant cycling, plus coastal humidity and the needles and debris that fall from Douglas firs and cedars, wears on coils, filters, and outdoor units faster than furnace-only systems ever experience. Regular maintenance catches that stress before it turns into a mid-winter breakdown.
Local knowledge
What's different about heat pump maintenance in Seattle
We run service calls in Seattle every week — the same patterns come up again and again.
Seattle homes served by Seattle City Light often use heat pumps as their only heat source instead of a gas furnace, so any drop in efficiency shows up directly on your electric bill each month.
Many homes in Ballard, Wallingford, and View Ridge were built between the 1940s and 1960s with air handlers tucked into crawlspaces or closets, locations that get skipped during DIY filter changes and need a technician to access properly.
Persistent Puget Sound moisture combined with fir needles and cedar debris causes condensate drain clogs and coil corrosion faster here than in drier parts of the state, especially on lots near Lake Washington or wooded greenbelts.
Symptoms we see daily
Signs you need heat pump maintenance in Seattle
Ice buildup on the outdoor unit that doesn't clear during normal defrost cycles
Rising PSE or Snohomish PUD electric bills without any change in household usage
Weak airflow from vents or a musty smell when the system starts up
Short cycling, where the unit turns on and off more often than it used to
No surprises
How a Seattle heat pump maintenance visit works
1
Inspect and diagnose
We check the full system, indoor and outdoor units, for signs of wear, corrosion, or moisture damage common to Seattle's wet climate before touching anything.
2
Clean coils and condensate drain
Coils, filters, and the condensate drain get cleared of the moss, needles, and buildup that Seattle's evergreen trees and humidity leave behind.
3
Check refrigerant charge
We verify refrigerant levels match manufacturer specs, since incorrect charge forces the compressor to work harder during our long heating season.
4
Test electrical and controls
Connections, capacitors, and thermostat communication are tested to catch small electrical issues before they cause a no-heat call during a cold snap.
5
Verify airflow and run a full cycle
We run the system through both heating and cooling modes to confirm proper airflow and cycling, since Seattle heat pumps switch modes far more often than units in colder inland climates.
Flat-rate pricing
Heat Pump Maintenance in Seattle — what it costs
Conservative ranges for the Seattle metro. Your written quote is exact before work begins.
| Job | Typical price |
|---|---|
| Heat Pump Maintenance — tune-upFlat written quote before any work starts | from $179 |
| 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
Heat Pump Maintenance in Seattle — FAQ
How often should I service my heat pump in Seattle?
Because Seattle heat pumps run almost continuously through mild winters and summer cooling, we recommend one tune-up per year, ideally in early fall before the wet season pushes heating demand up and outdoor units start collecting fallen debris.
Does my utility offer rebates related to heat pump maintenance in Seattle?
Seattle City Light and PSE both run efficiency programs focused mainly on equipment upgrades rather than routine maintenance. A well-maintained heat pump is easier to qualify for those upgrade rebates later, since technicians can confirm it's been serviced on schedule.
My outdoor unit is covered in moss and needles, is that a problem?
Yes. Debris from Douglas firs and cedars, common in Seattle yards, can block airflow around the outdoor unit and clog coil fins, forcing the compressor to work harder in our humid climate and shortening the equipment's lifespan.
Do you service heat pumps in older Seattle homes with crawlspace air handlers?
Yes, we regularly work on air handlers tucked into crawlspaces and closets in older Ballard, Wallingford, and Wedgwood homes, a common setup in Seattle's pre-1970s housing stock where access is tighter than in newer construction.
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 in Seattle and across the Seattle metro.
Prices reviewed July 2026
Also in Seattle
Other services our crew handles on the same routes.
Need heat pump maintenance in Seattle?
Get your Seattle heat pump serviced before the wet season sets in, call SPS Pro Services at (206) 427-8907.