HVAC · Bothell, WA
How much does furnace replacement cost in Bothell, WA? (2026)
In Bothell, furnace replacement runs $4,800–$8,600, with most paying around $6,700 — about 24% above the national average. Replacing a residential furnace, including the unit and installation labor.
Updated June 2026 · Localized estimate, not a quote
Most homeowners pay around $6,700
- Typical cost
- $6,700
- Labor vs US
- +14%
- Climate
- Mixed
- Local permit
- $250
Refine your estimate
Tune it to your home to narrow the furnace replacement range.
Key takeaways for Bothell
- Bothell homeowners typically pay $4,800–$8,600 for furnace replacement, with $6,700 the usual landing spot — about 24% above the national average.
- Local labor in Bothell is +14% relative to the national average, which is what pushes this estimate away from the countrywide number.
- A HVAC permit in Bothell runs about $250 — it's already folded into the estimate above.
- Expect 15–30 years of service, so planning a replacement beats a full-price emergency call.
- Booking during Spring and fall (Mar–May, Sep–Oct) typically saves about 5–15% versus peak-season pricing.
- Federal 25C/25D tax credits and local utility rebates can lower the net cost — see the rebates section below.
What goes into the price in Bothell
A typical Bothell furnace replacement of $6,700 breaks down roughly like this — materials priced near the national level, labor set by local rates.
| Line item | Bothell 2026 range |
|---|---|
| Materials & equipmentThe unit and materials — largely the same cost no matter which city you're in. | $1,800 – $3,350 |
| Labor & installationLabor to remove the old system and install the new one — this is where your city's wage index shows up. | $2,750 – $5,000 |
| Permit & feesLocal building-department fee for HVAC work here. | $250 |
| Total installed cost | $4,800 – $8,600 |
Split from the Bothell estimate using a 60% local-labor share; line items sum to the total.
Why furnace replacement costs what it does in Bothell
- Expect labor here to run 14% above the national norm (based on price levels for the Seattle-Tacoma-Bellevue metro area) — that's what raises the total.
- Bothell's HVAC permit runs roughly $250, which is already part of the number above.
Furnace Replacement cost by home size in Bothell
Furnace cost scales with the heating capacity (BTU) your home needs — roughly 40–45 BTU per square foot in a mixed climate. Larger homes need a bigger unit and more ductwork.
| home size | Bothell 2026 range |
|---|---|
| 1,000 sq ft (≈45,000 BTU) | $3,600 – $6,450 |
| 1,500 sq ft (≈68,000 BTU) | $4,200 – $7,400 |
| 2,000 sq ft (≈90,000 BTU) | $4,800 – $8,600 |
| 2,500 sq ft (≈110,000 BTU) | $5,500 – $9,800 |
| 3,000 sq ft (≈130,000 BTU) | $6,200 – $10,950 |
| 3,500+ sq ft (≈150,000 BTU) | $6,900 – $12,150 |
National size ranges localized to Bothell labor and climate.
Furnace Replacement cost by type in Bothell
| Gas furnace | $4,650 – $8,450 |
| High-efficiency gas furnace | $4,200 – $8,450 |
| Electric furnace | $2,650 – $5,600 |
Adjusted to Bothell from national type-level ranges.
Furnace Replacement cost by efficiency in Bothell
Efficiency is measured in AFUE — the percentage of fuel turned into heat. Higher AFUE costs more upfront but cuts fuel bills, and in cold (northern) regions the DOE requires ≥95% AFUE gas furnaces.
| 80% AFUE (standard)Lowest upfront; fine in mild climates | $3,800 – $6,800 |
| 90–95% AFUE (high-efficiency)Best all-round value in most regions | $4,800 – $8,600 |
| 96%+ AFUE (condensing, premium)Lowest fuel bills; required in cold zones | $6,200 – $11,550 |
Labor vs. materials in Bothell
Install crew, removal, permit & startup — the part Bothell rates move most.
Equipment & materials — priced closer to the national level.
Split based on a typical $6,700 Bothell project; your mix varies with scope.
Skilled installers in the Seattle-Tacoma-Bellevue area earn about $41.1/hr (32% above the US average, per BLS metro wage data) — the local wage is what moves the labor half of your furnace replacement cost.
How we estimate it
| National range | $3,800 – $7,000 |
| Bothell labor adjustment | ×1.19 |
| mixed climate factor | ×1 |
| Local permit | +$250 |
| Bothell estimate | $4,800 – $8,600 |
Promo prices vs. the real cost
Installers advertise low teaser prices to win the visit — keep them separate from the real installed cost above:
- "Free" replacement estimate$0 — it's a sales visit
- Service call / diagnostic fee$75–$150
- Seasonal tune-up promo$79–$129
- Financing offers$0 down · 0% APR, 12–60 mo
Additional furnace replacement costs to budget for
These aren't always in the headline price. Whether you'll pay them depends on your home's condition and setup.
| Old furnace removal & disposal | $50 – $330 |
| New ductwork (vs. repair $300–$1,500)Only if ducts are missing or failing | $1,000 – $5,000 |
| Gas line run or upgrade | $250 – $800 |
| Chimney liner (for high-efficiency venting) | $600 – $2,500 |
| Smart thermostat | $150 – $500 |
Typical national add-on ranges; confirm locally during your quote.
What's included
- Installation labor and basic ductwork connections
- Removal and disposal of the old unit
- The furnace unit and burner assembly
- Thermostat connection and system startup/testing
What affects the cost
- Whether a chimney liner or new gas line is required
- Heating capacity (BTU) needed for your square footage
- Fuel type (gas vs electric) and AFUE efficiency rating
- Condition of existing ductwork and venting
Ways to save on furnace replacement in Bothell
- Get at least 3 quotes — installed prices vary widely
- Schedule in the off-season (spring/summer) for better rates
- Look for utility rebates on high-efficiency models
- Right-size the unit; oversizing wastes money and cycles hard
How long does furnace replacement last in Bothell?
Gas furnaces typically last 15–20 years; well-maintained units can reach 30.
An annual tune-up keeps efficiency up and protects the warranty.
Signs you need furnace replacement in Bothell
- The furnace is 15+ years old (near or past its service life)
- Heating bills keep climbing despite no change in usage
- Some rooms are warm while others stay cold (uneven heating)
- Frequent repairs — you've called for service more than once or twice recently
- Banging, rattling or screeching noises on startup
- A yellow or flickering burner flame instead of steady blue (have it checked immediately)
- More dust, dryness, or a stale smell when the heat runs
Repair or replace in Bothell?
Repair if…
- The unit is under ~10 years old and otherwise efficient
- The fix is a single inexpensive part (igniter, flame sensor, capacitor)
- It's still under manufacturer warranty
Replace if…
- It's 15+ years old and needs a major part
- The heat exchanger is cracked (a safety issue — replace, don't repair)
- The repair costs more than about half of a new system
- It's an 80% AFUE unit and your fuel bills are high in a cold climate
Rebates & incentives in Washington
HEAR liveMost 2026 rebates reward switching to a heat pump, not a like-for-like gas furnace. Replacing a gas furnace, your savings are mainly utility efficiency rebates (high-AFUE models) — but pricing a heat pump can unlock far larger rebates.
- Washington Home Energy Rebates (HEAR) ↗WA Dept. of Commerce
$8,000+ toward a heat pump for eligible households; more when stacked with utility rebates.
Status: Washington's HEAR launched for income-qualifying households; stacking with utility programs can exceed $10,000.
The federal 25C tax credit (up to $2,000 for heat pumps; $600 for high-efficiency AC or furnaces) and the 25D credit ended December 31, 2025 under the One Big Beautiful Bill Act — neither is available for 2026 installs. The remaining federal help is the IRA Home Electrification & Appliance Rebates (HEAR): up to $8,000 toward a heat pump for households under 150% of area median income, paid at point of sale where a state has launched its program.
Verified July 2026. Rebate budgets deplete and program windows change fast — confirm current amounts and eligibility with your utility and the DSIRE database before you budget. Costadia does not administer these programs.
Cheapest time for furnace replacement in Bothell
Installers cut prices in spring and fall because job volume drops and crews sit idle — the opposite happens during a summer heat wave or winter cold snap, when a dead system forces homeowners into a full-price emergency swap.
Why furnace replacement quotes vary — and how to compare them fairly
Two bids for the “same” job can differ by thousands. Usually it's scope, not greed — here's what moves the number and how to get an apples-to-apples comparison.
Why a quote looks high (or low)
- One quote bundles ductwork, electrical, permit and old-unit removal; another quietly leaves them out.
- Brand, warranty length and whether startup/commissioning is included all move the number.
- Sizing was guessed from square footage instead of a Manual J load calculation, so the equipment is wrong.
Get an apples-to-apples bid
- Confirm old-unit removal, the permit and startup testing are all included.
- Require an itemized quote splitting equipment, labor, permit and add-ons.
- Ask every bidder for the same SEER2/AFUE rating so you compare like for like.
- Get at least three written bids before you sign.
Questions to ask Bothell HVAC pros
Comparing quotes is only fair when they cover the same scope. Ask every bidder these before you sign.
- 1Did you run a Manual J load calculation to size the system, or estimate from square footage?
- 2What AFUE/SEER2 rating is this unit, and what's the payback vs. the next tier up?
- 3Is removal of the old equipment, the permit, and startup testing included in the quote?
- 4Will my existing ductwork and venting work as-is, or is repair/resizing needed?
- 5What's covered under the labor warranty vs. the manufacturer's parts warranty?
Furnace Replacement in Bothell
How much does furnace replacement cost in Bothell, WA?
In Bothell, furnace replacement typically costs $4,800 to $8,600 in 2026, with most homeowners paying around $6,700. We localize this using Bothell's labor rates, mixed-climate adjustments and permit fees — no separate math needed.
Is furnace replacement more expensive in Bothell than average?
Bothell comes in about 24% higher than the national average. The main reason is labor: it indexes at 1.19 relative to the national average., plus a local HVAC permit running about $250.
Do I need a permit for furnace replacement in Bothell?
In Bothell, this usually needs a HVAC permit (around $250). The estimate above already accounts for it.
What affects furnace replacement cost the most?
Replacing a residential furnace, including the unit and installation labor. What moves the price most: equipment or material grade, your home's size and complexity, local labor rates, and the mixed climate zone.
How much should you really budget for HVAC in 2026?
Sizing, efficiency tier and brand pull a quote in different directions. Here's how our editors weigh the trade-offs that decide what you actually pay.
The longevity case
The single biggest cost driver isn't the brand — it's correct sizing and install quality. A properly sized, well-commissioned mid-tier system with annual maintenance outlasts an oversized premium unit that short-cycles. Spend on the install, not the badge.
The budget-first case
Size the system to your home with a Manual J calculation and buy the standard efficiency tier (80% AFUE / 14.3 SEER2). In a mild climate the cheaper unit pays off because you rarely run it hard — paying for premium efficiency you won't use is the most common way to overspend.
The efficiency-first case
In a hot-summer or cold-winter region, a higher SEER2/AFUE unit — or a heat pump — earns its premium back in lower bills, and utility and state rebates can still cut into the sticker (the federal 25C/25D credits ended Dec 2025). Run the payback math before defaulting to the cheapest box.
Match the efficiency tier to your climate, insist on a real load calculation, and stack every rebate you qualify for. The expensive mistakes are wrong sizing and a rushed install — not picking the "wrong" brand.
Editorial analysis by Serhat Özçelik, reviewed by Costadia Editorial. These are our own cost perspectives, not third-party endorsements.
How we calculated this estimate
We start with 2026 national furnace replacement ranges compiled from contractor-pricing sources (Angi, HomeGuide, Fixr and EnergySage averages), then localize them to Bothell using the BLS metro wage data labor index (×1.19 here), the IECC mixed-climate factor (×1) and a typical local permit fee (≈$250). Federal incentive details reference the IRS Inflation Reduction Act (25C/25D) and DSIRE.
This is a planning estimate, not a quote.Actual prices vary with your home's condition, equipment grade and contractor — always confirm with licensed local pros before budgeting.
References & data sources
Our Bothell furnace replacement estimate is built from these primary, mostly government sources — not a single aggregator.
- Occupational Employment & Wage Statistics (metro wages) — U.S. Bureau of Labor Statistics.Metro-level trade wages behind each city's labor index.
- Regional Price Parities (state & metro) — U.S. Bureau of Economic Analysis.Regional price levels used where metro wage data is unavailable.
- IECC Climate Zones — U.S. DOE — Building Energy Codes Program.Climate-zone factors applied to weather-sensitive projects.
- Home Energy Tax Credits (25C / 25D) — Internal Revenue Service.Federal rebate and tax-credit figures for eligible upgrades.
- Database of State Incentives for Renewables & Efficiency — DSIRE — NC State University.State and utility incentive programs by ZIP code.
Furnace replacement alternatives in Bothell
Often done together with furnace replacement in Bothell
Bundling these shares labor and setup — and a single visit.
Homeowners in Bothell often pair this with
A furnace replacement rarely happens in isolation — these projects commonly come up alongside it.
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