Furnace is 15 years or older and needs frequent repairs
Heating · Redmond, WA
Furnace Installation in Redmond, WA
Furnace installation in Redmond typically runs $4,800 to $9,800 installed, depending on system size and ductwork. SPS Pro Services installs furnaces throughout Redmond neighborhoods like Education Hill, Grasslawn, and Redmond Ridge, with most jobs scheduled within a week and completed in a single day.
Typical cost$4,800–$9,800
WarrantyWorkmanship warranty
AvailabilitySame-week visits
HoursMon–Fri 8am–6pm
On service calls across Redmond, we see two failure patterns repeat. In older homes near Education Hill and Idylwood, original 1980s furnaces are paired with undersized ductwork that chokes airflow and burns out blower motors early. In newer construction around Redmond Ridge and Trilogy, higher-elevation homes push furnaces harder during cold snaps, and thin-gauge heat exchangers installed by builders often crack within 12 to 15 years. We size replacements to fix both problems, not just swap the box.
Local knowledge
What's different about furnace installation in Redmond
Every area we serve is different — in Redmond, these three factors matter most.
Redmond homes get electricity from Puget Sound Energy, and older Education Hill and Grasslawn houses built in the 1970s and 80s often still have 100-amp panels that limit options for electric furnace upgrades or add-on heat pump systems.
Redmond Ridge and Trilogy sit at higher elevation than the valley floor, so those homes see more sustained freezes each winter, and furnaces sized for milder Seattle-area averages tend to run constantly instead of cycling normally.
Many Redmond split-levels and daylight basements built during the 1980s growth years have furnace closets sized for now-discontinued equipment, so a straight swap often needs a return-air modification to fit current code-compliant units.
Symptoms we see daily
Signs you need furnace installation in Redmond
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 Redmond furnace installation visit works
1
On-site load calculation
We measure your Redmond home's square footage, window exposure, and existing ductwork to calculate the correct furnace size instead of guessing based on the old unit's tonnage.
2
Equipment and duct review
We check whether your current ductwork can handle a properly sized furnace, since undersized trunk lines are a common issue in Education Hill and Idylwood homes.
3
Old furnace removal and prep
We disconnect and remove the existing furnace, inspect the flue and gas or electrical connections, and prep the space for the new equipment the same day.
4
New furnace installation
We install the new furnace, connect gas or electrical lines, seal duct transitions, and set up the thermostat, typically completing a straightforward swap in one day.
5
Startup, testing, and walkthrough
We test airflow, temperature rise, and safety controls, then walk you through the new system's settings and maintenance schedule before we leave.
Flat-rate pricing
Furnace Installation in Redmond — 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 Redmond — FAQ
How long does furnace installation take in Redmond?
Most Redmond installations, including permit pickup from the City of Redmond, are completed in one working day. Homes needing duct modifications, common in Education Hill and Grasslawn houses with original 1980s ductwork, can take an extra half day.
Do I need a permit for a furnace replacement in Redmond?
Yes. The City of Redmond requires a mechanical permit for furnace replacement, and an inspection follows installation. We handle the permit application and schedule the inspection as part of the job.
Why do furnaces in Redmond Ridge and Trilogy seem to run more than homes closer to downtown Redmond?
Those neighborhoods sit at higher elevation and see colder overnight temperatures than the valley floor. A furnace sized using standard Seattle-area averages often falls short there, so we calculate loads based on the specific elevation and exposure.
What's included in the $4,800 to $9,800 estimate for Redmond homes?
That range covers the furnace unit, standard installation labor, permit fees, and basic duct sealing at connection points. Homes needing panel upgrades, like some older Education Hill houses on 100-amp service, or larger duct modifications land toward the higher end.
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 Redmond and across the Seattle metro.
Prices reviewed July 2026
Also in Redmond
Other services our crew handles on the same routes.
Need furnace installation in Redmond?
Call (206) 427-8907 to schedule a furnace installation estimate at your Redmond home, Monday through Friday, 8am to 6pm.