Furnace Replacement cost: Chattanooga vs New South Memphis (2026)
Chattanooga and New South Memphis are a near-perfect match on furnace replacement cost in 2026, both landing around $5,400.
Chattanooga TN
Typically around $5,400
New South Memphis TN
Typically around $5,400
Chattanooga vs New South Memphis: full breakdown
| Factor | Chattanooga | New South Memphis |
|---|---|---|
| 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 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
A wash — choose on quality, not city
This is a statistical tie on furnace replacement cost, so let contractor reputation and project timing decide, not geography.
Furnace replacement by type: Chattanooga vs New South Memphis
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 | New South Memphis |
|---|---|---|
| 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 |
Furnace replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Furnace replacement by home size: Chattanooga vs New South Memphis
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 | New South Memphis |
|---|---|---|
| 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 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
What hvac pros earn in each metro
Roughly 60% of what you pay for furnace replacement is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
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
Demand for HVAC work falls off a cliff in the shoulder months, and contractors discount to keep their crews booked. Wait for a 100-degree day or a hard freeze, though, and you're paying emergency rates for a system that just quit.
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 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 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 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.
The brand on the unit matters far less than getting the sizing and installation right. Insist on a Manual J calculation, match efficiency to your climate, and claim every rebate available.
Chattanooga vs New South Memphis
Is furnace replacement cheaper in Chattanooga or New South Memphis?
There's no meaningful difference: furnace replacement runs about $5,400 in both places.
Why does furnace replacement cost more in New South Memphis than Chattanooga?
The main driver is local labor rates: New South Memphis's labor index is 0.96 versus 0.96 in Chattanooga. Climate zone (mixed vs mixed) also shift the total.
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?
It doesn't vary by location — Spring and fall (Mar–May, Sep–Oct) is the discount window in both Chattanooga and New South Memphis (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 furnace replacement cost?
Cost shouldn't be the deciding factor between Chattanooga and New South Memphis — they land at nearly the same price. Contractor reputation, scope, equipment tier and timing matter more.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik