Full HVAC System Replacement cost: Bothell vs Tri-Cities (2026)
The two metros aren't quite in sync on full HVAC system replacement: Bothell sits 16% above Tri-Cities, or roughly $13,950 versus $12,000 — about $1,950 apart.
Bothell WA
Typically around $13,950
Tri-Cities WA
Lower costTypically around $12,000
Bothell vs Tri-Cities: full breakdown
| Factor | Bothell | Tri-Cities |
|---|---|---|
| Typical 2026 cost | $13,950 | $12,000 |
| Estimated range | $9,800–$18,100 | $8,400–$15,600 |
| Labor index (vs US) | ×1.19 | ×1.02 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $250 | $225 |
| Labor share | $8,350 | $7,200 |
| Materials/equipment | $5,600 | $4,800 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national full HVAC system replacement range for local labor, climate and permits.
Is the gap worth worrying about?
A 16% gap is meaningful on a project this size — about $1,950. That's real money, but it's often within reach of off-season timing and a tighter apples-to-apples bid in Bothell.
Full HVAC system replacement by type: Bothell vs Tri-Cities
Each full HVAC system replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Bothell | Tri-Cities |
|---|---|---|
| AC + gas furnace (split system) | $8,600–$15,750 | $7,400–$13,550 |
| Heat pump system (air-source) | $10,400–$19,300 | $8,950–$16,600 |
| Dual-fuel (hybrid heat pump + furnace) | $12,150–$21,700 | $10,450–$18,650 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national full HVAC system replacement range for local labor, climate and permits.
Full HVAC system replacement by home size: Bothell vs Tri-Cities
A full system (furnace + AC, or a heat pump + air handler) is sized to the whole home. Replacing both together costs more upfront but shares labor, permits, and a single install visit.
| Size | Bothell | Tri-Cities |
|---|---|---|
| 1,000–1,500 sq ft | $8,600–$14,550 | $7,400–$12,500 |
| 1,500–2,000 sq ft | $9,800–$16,950 | $8,400–$14,550 |
| 2,000–2,500 sq ft | $11,550–$19,900 | $9,950–$17,100 |
| 2,500–3,000 sq ft | $13,350–$22,900 | $11,500–$19,700 |
| 3,000+ sq ft | $15,750–$26,450 | $13,550–$22,750 |
All figures are 2026 localized planning estimates for full HVAC system replacement — get an actual quote before you commit.
What hvac pros earn in each metro
With labor making up about 60% of a full HVAC system replacement job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
Seattle-Tacoma-Bellevue metro · about 32% above the US average installer wage.
No BLS metro wage series for Tri-Cities; we use Washington regional price parity instead.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for full HVAC system replacement in either city
Crews are busiest — and priciest — exactly when it's hottest or coldest, since that's when systems fail under load. Book in the mild months and you're negotiating from a position of choice, not a broken furnace.
How much should you really budget for HVAC in 2026?
An HVAC budget isn't one number — it's a set of trade-offs between sizing accuracy, efficiency tier and brand. Our editors walk through how each one moves the price.
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.
If there's one takeaway, it's this: sizing and install quality decide whether an HVAC system performs, not the badge on the box. Get the load calculation right, match efficiency to climate, and take the rebates on offer.
Bothell vs Tri-Cities
Is full HVAC system replacement cheaper in Bothell or Tri-Cities?
Tri-Cities comes out ahead here, at roughly $12,000 for full HVAC system replacement compared with $13,950 in Bothell — a 16% ($1,950) gap as of 2026.
Why does full HVAC system replacement cost more in Bothell than Tri-Cities?
Labor rates explain most of it — 1.19 in Bothell vs 1.02 in Tri-Cities. A mixed climate versus mixed, along with differing permit costs, accounts for the rest.
How much is full HVAC system replacement in Bothell, WA?
Bothell homeowners can expect $9,800 to $18,100 for full HVAC system replacement in 2026, with $13,950 the typical number.
When is the cheapest time to buy full HVAC system replacement — and does it differ by city?
It doesn't vary by location — Spring and fall (Mar–May, Sep–Oct) is the discount window in both Bothell and Tri-Cities (roughly 5–15% off), while peak summer and mid-winter tends to be the most expensive in either city.
Should I choose where to live based on full HVAC system replacement cost?
Probably not. Yes, $1,950 is a real gap, but it's a one-time cost you can partly offset in Bothell with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare full HVAC system replacement in other cities
Updated June 2026 · By Serhat Özçelik