Furnace Replacement cost: Chattanooga vs Collierville (2026)
There's essentially no price gap here: furnace replacement runs close to $5,400 in both Chattanooga and Collierville in 2026.
Chattanooga TN
Typically around $5,400
Collierville TN
Typically around $5,400
Chattanooga vs Collierville: full breakdown
| Factor | Chattanooga | Collierville |
|---|---|---|
| Typical 2026 cost | $5,400 | $5,400 |
| Estimated range | $3,850–$6,900 | $3,850–$6,900 |
| Labor index (vs US) | ×0.96 | ×0.96 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $200 | $200 |
| Labor share | $3,250 | $3,250 |
| Materials/equipment | $2,150 | $2,150 |
Furnace replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
No real cost edge either way
With no real price gap on furnace replacement, the choice comes down to contractor quality and timing, not which city you're in.
Furnace replacement by type: Chattanooga vs Collierville
Each furnace 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 | Chattanooga | Collierville |
|---|---|---|
| Gas furnace | $3,750–$6,800 | $3,750–$6,800 |
| High-efficiency gas furnace | $3,350–$6,800 | $3,350–$6,800 |
| Electric furnace | $2,100–$4,500 | $2,100–$4,500 |
These are 2026 planning figures for furnace replacement, localized to each city — not formal quotes.
Furnace replacement by home size: Chattanooga vs Collierville
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.
| Size | Chattanooga | Collierville |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $2,900–$5,200 | $2,900–$5,200 |
| 1,500 sq ft (≈68,000 BTU) | $3,350–$5,950 | $3,350–$5,950 |
| 2,000 sq ft (≈90,000 BTU) | $3,850–$6,900 | $3,850–$6,900 |
| 2,500 sq ft (≈110,000 BTU) | $4,400–$7,850 | $4,400–$7,850 |
| 3,000 sq ft (≈130,000 BTU) | $5,000–$8,800 | $5,000–$8,850 |
| 3,500+ sq ft (≈150,000 BTU) | $5,550–$9,800 | $5,550–$9,800 |
All figures are 2026 localized planning estimates for furnace replacement — get an actual quote before you commit.
What hvac pros earn in each metro
About 60% of a furnace replacement bill goes to labor, so wage differences between these two metros matter more than almost anything else. These are real, government-sourced (BLS OEWS) installer wages, not estimates.
No BLS metro wage series for Chattanooga; we use Tennessee regional price parity instead.
Memphis metro · about 7% below the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for furnace 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
Run a Manual J load calculation, then buy the standard tier — 80% AFUE, 14.3 SEER2 — and stop there. Where summers are short and winters are gentle, the equipment idles most of the year, so premium efficiency never gets enough runtime to earn back its price. Paying for SEER2 you'll rarely tap is the classic way a mild-climate homeowner overspends.
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.
Chattanooga vs Collierville
Is furnace replacement cheaper in Chattanooga or Collierville?
Not really — both cities land at almost the same number for furnace replacement, around $5,400 each.
Why does furnace replacement cost more in Collierville than Chattanooga?
It comes down to labor: Collierville indexes at 0.96 against Chattanooga's 0.96. The mixed-vs-mixed climate difference adds to the gap.
How much is furnace replacement in Chattanooga, TN?
In Chattanooga, furnace replacement typically runs $3,850–$6,900 in 2026, with most homeowners paying around $5,400.
When is the cheapest time to buy furnace replacement — and does it differ by city?
No, the seasonal pattern is the same in Chattanooga and Collierville: book during Spring and fall (Mar–May, Sep–Oct) for about 5–15% in savings. Peak summer and mid-winter is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on furnace replacement cost?
There's no cost argument here between Chattanooga and Collierville — they're a wash. Focus on contractor reputation, project scope, equipment tier and timing.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik