Furnace short-cycles or won't hold a set temperature
HVAC · Kenmore, WA
HVAC Services in Kenmore, WA
HVAC diagnostics in Kenmore start at $129, with most repair and tune-up visits scheduled within a day or two. SPS Pro Services has worked on furnaces, heat pumps, and ductless systems throughout Kenmore and the rest of King County since 2017, and our techs know the housing stock along Juanita Bay and the Inglemoor corridor well.
Typical costfrom $129
WarrantyWorkmanship warranty
AvailabilitySame-week visits
HoursMon–Fri 8am–6pm
Kenmore sits right on Lake Washington, and that proximity means near-constant humidity in the air, even during dry spells. HVAC systems here work harder than the mild temperatures suggest, because coils, ductwork, and heat pump components are exposed to persistent moisture almost year-round. That moisture accelerates corrosion on outdoor units and encourages mold growth in crawl space ductwork, which is common in Kenmore's older ranch-style homes.
Local knowledge
What's different about hvac services in Kenmore
We run service calls in Kenmore every week — the same patterns come up again and again.
Many Kenmore homes near the lakefront and Arrowhead neighborhood were built in the 1960s-1980s with crawl space ductwork that traps moisture, leading to mold and reduced airflow if not inspected regularly.
PSE electric rates and mild winters push a lot of Kenmore homeowners toward heat pumps instead of gas furnaces, but heat pumps here need coil cleaning more often because of the lake-effect humidity.
Kenmore's dense tree canopy near Log Boom Park and the Burke-Gilman corridor drops debris into outdoor condenser units more frequently than in drier inland areas, which can restrict airflow and shorten equipment life.
Symptoms we see daily
Signs you need hvac services in Kenmore
Heat pump runs constantly without warming or cooling the house
Upstairs rooms or additions never reach the thermostat setting
Energy bills jump noticeably without a change in usage
Musty smell or visible moisture near ductwork, vents, or the unit itself
No surprises
How a Kenmore hvac services visit works
1
Phone diagnosis
We ask about your system's age, symptoms, and location in Kenmore so the technician arrives with the right parts and tools for older ductwork or newer heat pump setups.
2
On-site inspection
The technician runs a full diagnostic, starting at $129, checking coils, refrigerant levels, ductwork condition, and electrical connections for signs of moisture damage or wear.
3
Written estimate
You get a clear explanation of what's wrong and a written quote before any repair work begins, no surprise charges after the fact.
4
Repair or install
Most repairs are completed same-day. For full system replacements, we schedule installation around your timeline and walk you through equipment options suited to Kenmore's humid climate.
5
Follow-up check
We recommend a maintenance visit within 12 months to catch moisture-related wear early, especially for heat pumps and crawl space ductwork common in this area.
Flat-rate pricing
HVAC Services in Kenmore — what it costs
Conservative ranges for the Seattle metro. Your written quote is exact before work begins.
| Job | Typical price |
|---|---|
| HVAC Services — diagnosticFlat written quote before any work starts | from $129 |
| 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
HVAC Services in Kenmore — FAQ
How much does an HVAC diagnostic cost in Kenmore?
Diagnostics start at $129. That covers a full inspection of your furnace, heat pump, or ductless system so you know exactly what's wrong before agreeing to any repair. Most Kenmore visits are scheduled within a day or two of your call.
Why do heat pumps in Kenmore need more frequent coil cleaning?
Kenmore's location on Lake Washington keeps humidity levels high most of the year, even without heavy rain. That moisture settles on outdoor coils and promotes buildup faster than in drier parts of King County, which reduces efficiency if coils aren't cleaned regularly.
Do you service older ranch homes with crawl space ductwork in Kenmore?
Yes, a lot of our Kenmore calls involve homes built in the 1960s through 1980s with ductwork routed through crawl spaces. We inspect for moisture intrusion and mold, which are common issues in this style of construction given the local climate.
Do you also cover nearby areas like Bothell or Lake Forest Park?
We serve Kenmore along with Seattle, Bellevue, Redmond, Kirkland, and Sammamish. If you're just outside Kenmore proper, give us a call at (206) 427-8907 and we'll confirm scheduling for your address.
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 Kenmore and across the Seattle metro.
Prices reviewed July 2026
Also in Kenmore
Other services our crew handles on the same routes.
Need hvac services in Kenmore?
Call (206) 427-8907 to schedule HVAC service in Kenmore, Monday through Friday, 8am to 6pm.