Furnace Replacement cost: Brentwood vs Clarksville (2026)
Budget-wise, furnace replacement in Brentwood ($5,450) runs 3% more than in Clarksville ($5,300), a roughly $150 spread.
Brentwood TN
Typically around $5,450
Clarksville TN
Lower costTypically around $5,300
Brentwood vs Clarksville: full breakdown
| Factor | Brentwood | Clarksville |
|---|---|---|
| Typical 2026 cost | $5,450 | $5,300 |
| Estimated range | $3,900–$7,000 | $3,800–$6,800 |
| Labor index (vs US) | ×0.97 | ×0.95 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | $225 | $200 |
| Labor share | $3,250 | $3,200 |
| Materials/equipment | $2,200 | $2,100 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
How much should this gap actually matter?
3% is within noise for furnace replacement — contractor selection and timing move the price more than which of these two metros you're in.
Furnace replacement by type: Brentwood vs Clarksville
We localize each furnace replacement type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Brentwood | Clarksville |
|---|---|---|
| Gas furnace | $3,800–$6,900 | $3,700–$6,750 |
| High-efficiency gas furnace | $3,400–$6,900 | $3,300–$6,750 |
| Electric furnace | $2,150–$4,550 | $2,100–$4,450 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
Furnace replacement by home size: Brentwood vs Clarksville
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 | Brentwood | Clarksville |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $2,950–$5,250 | $2,850–$5,100 |
| 1,500 sq ft (≈68,000 BTU) | $3,400–$6,000 | $3,300–$5,900 |
| 2,000 sq ft (≈90,000 BTU) | $3,900–$7,000 | $3,800–$6,800 |
| 2,500 sq ft (≈110,000 BTU) | $4,500–$7,950 | $4,350–$7,750 |
| 3,000 sq ft (≈130,000 BTU) | $5,050–$8,900 | $4,950–$8,700 |
| 3,500+ sq ft (≈150,000 BTU) | $5,650–$9,900 | $5,500–$9,650 |
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
With labor making up about 60% of a furnace replacement job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
Nashville-Davidson--Murfreesboro--Franklin metro · about 6% below the US average installer wage.
No BLS metro wage series for Clarksville; we use Tennessee 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 furnace replacement in either city
A furnace or AC that dies mid-heat-wave gets replaced at whatever the on-call crew charges. One that gets swapped in April or October gets a competitive, unhurried quote instead.
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 efficiency-first case
High runtime changes the math. In a demanding climate the extra efficiency of a heat pump or a top-tier SEER2/AFUE unit gets paid back month after month on the utility bill, and state and utility incentives can shave the upfront figure further now that the federal 25C/25D credits have expired. Price the lifetime bills, not just the tag, before you default down.
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.
Get the sizing and the commissioning right and the brand debate mostly disappears. Insist on a Manual J, pick an efficiency tier your climate can justify, and pocket every incentive that still applies after the federal credits lapsed.
Brentwood vs Clarksville
Is furnace replacement cheaper in Brentwood or Clarksville?
Clarksville comes out ahead here, at roughly $5,300 for furnace replacement compared with $5,450 in Brentwood — a 3% ($150) gap as of 2026.
Why does furnace replacement cost more in Brentwood than Clarksville?
It comes down to labor: Brentwood indexes at 0.97 against Clarksville's 0.95. The mixed-vs-mixed climate difference, plus permit fees, adds to the gap.
How much is furnace replacement in Brentwood, TN?
Brentwood homeowners can expect $3,900 to $7,000 for furnace replacement in 2026, with $5,450 the typical number.
When is the cheapest time to buy furnace replacement — and does it differ by city?
Timing doesn't change by city here — Spring and fall (Mar–May, Sep–Oct) is the cheapest window in both Brentwood and Clarksville, saving roughly 5–15%. Avoid peak summer and mid-winter in either location, when emergency replacements push prices up.
Should I choose where to live based on furnace replacement cost?
That would be a stretch. $150 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in Brentwood can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik