Furnace blows cold air or won't turn on at all
Heating · Sammamish, WA
Furnace Repair in Sammamish, WA
Furnace repair in Sammamish typically runs $189 to $950 depending on the part and labor involved. SPS Pro Services has worked on furnaces throughout the Sammamish Plateau since 2017, and we usually get a technician out within a day or two of your call to (206) 427-8907.
Typical cost$189–$950
WarrantyWorkmanship warranty
AvailabilitySame-week visits
HoursMon–Fri 8am–6pm
Most Sammamish homes date from the 1990s and 2000s building boom, when the plateau filled in with large single-family houses on forced-air gas furnaces. Those original furnaces are now 20 to 30 years old, right at the point where igniters, blower motors, and heat exchangers start failing more often. Newer construction in developments like The Trossachs or Beaver Lake often pairs furnaces with heat pumps, which adds a layer of troubleshooting when something stops working.
Local knowledge
What's different about furnace repair in Sammamish
Sammamish homes have their own quirks, and after years of visits here we know them well.
Sammamish sits higher than Seattle and Bellevue, so overnight lows on the plateau run a few degrees colder in winter, which pushes original-equipment furnaces from the 1990s and early 2000s harder each heating season.
PSE supplies both electricity and natural gas to most of Sammamish, and older homes here sometimes still have the original gas furnace hookups installed when the neighborhood was built, which we check for corrosion and sizing issues.
Many Sammamish houses have bonus rooms, finished basements, or additions built after the original furnace was sized, leading to uneven heating that shows up as a repair call rather than a replacement need.
Symptoms we see daily
Signs you need furnace repair in Sammamish
Short cycling — turns on and off every few minutes
Loud banging, screeching, or rattling from the unit
Thermostat set correctly but rooms stay cold
Yellow or flickering flame instead of steady blue
No surprises
How a Sammamish furnace repair visit works
1
Phone diagnosis
When you call (206) 427-8907, we ask about your furnace's age, symptoms, and whether your Sammamish home is original construction or has had additions, so the technician arrives with likely parts on hand.
2
On-site inspection
The technician checks the igniter, flame sensor, blower motor, filter, and thermostat wiring, and tests airflow through the ductwork, which matters in larger Sammamish floor plans with long duct runs.
3
Written estimate
Before any repair starts, you get a clear price within the $189 to $950 range based on the actual parts needed, not a guess.
4
Repair and test
Most repairs are completed same-visit, and we run a full heating cycle afterward to confirm the furnace holds temperature across every room, including bonus rooms and additions.
5
Follow-up notes
We leave you with the furnace's age and condition in plain terms, so if it's nearing the end of its life you know what to expect before next winter.
Flat-rate pricing
Furnace Repair in Sammamish — what it costs
Conservative ranges for the Seattle metro. Your written quote is exact before work begins.
| Job | Typical price |
|---|---|
| Diagnostic / service callCredited toward the work we do | $189 |
| Minor furnace repairSingle small component or adjustment | $189–$440 |
| Typical furnace repairThe most common jobs we see | $440–$700 |
| Major furnace repairBig-ticket parts and labor | $700–$950 |
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 Repair in Sammamish — FAQ
Why does my furnace in Sammamish keep short-cycling?
Short-cycling in Sammamish homes often traces back to a clogged filter or a furnace that was sized for the original floor plan before a bonus room or basement finish was added. We measure static pressure and airflow to confirm whether it's a simple filter fix or a bigger duct or sizing issue.
How old is too old for a furnace in a Sammamish Plateau home?
Furnaces installed during the original 1990s and early 2000s build-out of Sammamish are typically 20 to 30 years old now. Once a furnace passes 20 years, repairs become more frequent and parts availability can be an issue, so we'll tell you honestly if repair still makes sense.
Do you work on furnaces paired with heat pumps in newer Sammamish homes?
Yes, several Sammamish developments built in the last 10 to 15 years use a furnace and heat pump together in a dual-fuel setup. We diagnose which system is actually failing before recommending any repair, since the issue is sometimes the changeover control rather than the furnace itself.
How fast can you get to Sammamish for a furnace repair?
We typically schedule Sammamish furnace repair calls within a day or two, and often same-day if you call early. We also cover Redmond, Issaquah, Kirkland, and Bellevue, so a technician is usually already working nearby.
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 Sammamish and across the Seattle metro.
Prices reviewed July 2026
Also in Sammamish
Other services our crew handles on the same routes.
Need furnace repair in Sammamish?
Call (206) 427-8907 to schedule furnace repair in Sammamish, Monday through Friday 8am to 6pm.