Furnace is 15 years or older and needs frequent repairs
Heating · Sammamish, WA
Furnace Installation in Sammamish, WA
Furnace installation in Sammamish runs $4,800–$9,800 installed, depending on unit size and ductwork condition. SPS Pro Services has crews working the Sammamish plateau daily, so most homeowners get an on-site estimate within 2–3 business days and installation scheduled the same week.
Typical cost$4,800–$9,800
WarrantyWorkmanship warranty
AvailabilitySame-week visits
HoursMon–Fri 8am–6pm
Sammamish calls come with a specific question: when can someone actually show up. Because we're already routing technicians through Issaquah and Redmond most days, we can usually slot a Sammamish estimate visit without a long wait. On install day, expect a two-person crew, a walkthrough of your existing system first, and a clear window (not an all-day guess) for arrival.
Local knowledge
What's different about furnace installation in Sammamish
Here is what our techs actually see on Sammamish jobs, season after season.
Many Sammamish neighborhoods (Trossachs, Timberline, the Plateau area) were built from the mid-1990s through the 2000s, meaning original furnaces are now 20-30 years old and due for replacement rather than another repair.
Homes on the Sammamish plateau sit higher than Lake Washington, so they catch more wind-driven cold in winter, and undersized original furnaces often struggle to keep upstairs bedrooms warm.
PSE provides both electricity and natural gas to most of Sammamish, but some newer developments and homes off the main gas lines run on propane or all-electric heat, which affects which furnace type and venting setup fits your house.
Symptoms we see daily
Signs you need furnace installation in Sammamish
Uneven heating between rooms or floors
Energy bills rising without a change in usage
Furnace short-cycles, turning on and off repeatedly
Unusual noises, a burning smell, or a yellow pilot flame
No surprises
How a Sammamish furnace installation visit works
1
Confirm and schedule
You call (206) 427-8907 or request a visit online; we confirm a specific arrival window for your Sammamish address, not just a day of the week.
2
On-site assessment
A technician inspects your current furnace, ductwork, gas or electrical connections, and takes measurements to size the replacement correctly for your square footage.
3
Written estimate on the spot
Before leaving, you get a written price within the $4,800–$9,800 range based on the actual equipment and labor your home needs, no follow-up call required.
4
Install day
A two-person crew arrives in your confirmed window, removes the old unit, installs the new furnace, and tests airflow and thermostat operation room by room.
5
Walkthrough and cleanup
The crew walks you through the new thermostat settings, hauls away the old equipment, and confirms everything is running before they leave.
Flat-rate pricing
Furnace Installation in Sammamish — what it costs
Conservative ranges for the Seattle metro. Your written quote is exact before work begins.
| Job | Typical price |
|---|---|
| In-home estimateExact flat quote for your home | Free |
| Standard furnace installationTypical single-system job | $4,800–$6,470 |
| Mid-range furnace installationHigher-capacity or multi-zone equipment | $6,470–$8,130 |
| Complex furnace installationPremium equipment or difficult access | $8,130–$9,800 |
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 Installation in Sammamish — FAQ
How fast can you get to Sammamish for an estimate?
Because we regularly service Issaquah, Redmond, and Bellevue, we're usually already in the area. Most Sammamish estimate requests get scheduled within 2-3 business days, and we give you a specific arrival window instead of an all-day wait.
Do older Sammamish homes need extra work beyond the furnace swap?
Sometimes. Homes built in the 1990s often have ductwork sized for a smaller furnace than what's needed today. If your ducts need modification, we flag that during the on-site visit so it's included in your written estimate, not added later.
Is my Sammamish home on gas, propane, or electric heat?
It depends on the neighborhood. PSE runs natural gas to most of central Sammamish, but some newer plateau developments rely on propane or electric heat pumps instead. We confirm your setup during the estimate visit since it changes which furnace model fits.
What should I expect on install day?
A two-person crew arrives within your confirmed window, removes the old furnace, installs the new unit, and tests heating output at multiple registers before walking you through the thermostat. Most installations are completed in a single day.
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 installation in Sammamish?
Call (206) 427-8907 to schedule a furnace installation estimate in Sammamish with a real arrival window, not an all-day guess.