Furnace Replacement cost: Denton vs San Antonio (2026)
In 2026, furnace replacement is about 9% less expensive in Denton than in San Antonio. Most homeowners pay around $4,650 in Denton versus $5,050 in San Antonio — a gap of roughly $400.
Denton TX
Lower costTypically around $4,650
San Antonio TX
Typically around $5,050
Denton vs San Antonio: full breakdown
| Factor | Denton | San Antonio |
|---|---|---|
| Typical 2026 cost | $4,650 | $5,050 |
| Estimated range | $3,350–$5,950 | $3,600–$6,500 |
| Labor index (vs US) | ×0.87 | ×0.95 |
| Climate zone | Hot | Hot |
| Climate factor | ×0.95 | ×0.95 |
| Local permit | $200 | $200 |
| Labor share | $2,800 | $3,050 |
| Materials/equipment | $1,850 | $2,000 |
Furnace replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
How much should this gap actually matter?
9% (about $400) is enough to notice on a furnace replacement budget. Timing the purchase for the off-season and pushing for an apples-to-apples bid in San Antonio can close much of that gap.
Furnace replacement by type: Denton vs San Antonio
Every furnace replacement type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Denton | San Antonio |
|---|---|---|
| Gas furnace | $3,250–$5,900 | $3,550–$6,400 |
| High-efficiency gas furnace | $2,900–$5,900 | $3,150–$6,400 |
| Electric furnace | $1,850–$3,900 | $2,000–$4,250 |
These are 2026 planning figures for furnace replacement, localized to each city — not formal quotes.
Furnace replacement by home size: Denton vs San Antonio
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 | Denton | San Antonio |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $2,500–$4,500 | $2,700–$4,900 |
| 1,500 sq ft (≈68,000 BTU) | $2,900–$5,150 | $3,150–$5,600 |
| 2,000 sq ft (≈90,000 BTU) | $3,350–$5,950 | $3,600–$6,500 |
| 2,500 sq ft (≈110,000 BTU) | $3,800–$6,800 | $4,150–$7,400 |
| 3,000 sq ft (≈130,000 BTU) | $4,300–$7,600 | $4,700–$8,300 |
| 3,500+ sq ft (≈150,000 BTU) | $4,800–$8,450 | $5,250–$9,200 |
Furnace replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
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.
McAllen-Edinburg-Mission metro · about 22% below the US average installer wage.
San Antonio-New Braunfels metro · about 9% 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 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
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
Brand is a footnote; sizing and install quality write the story. A right-sized mid-tier system that's properly commissioned and serviced once a year will outlive an oversized premium unit that short-cycles itself to an early grave. Put the money into the crew and the setup rather than the nameplate.
The costly errors in an HVAC job are a bad load calculation and a sloppy install — not the logo you chose. Size it with a real Manual J, let your climate set the efficiency tier, and claim whatever rebates you still qualify for.
Denton vs San Antonio
Is furnace replacement cheaper in Denton or San Antonio?
Denton wins on price: furnace replacement runs about $4,650 there versus $5,050 in San Antonio, a gap of roughly $400 (9%) as of 2026.
Why does furnace replacement cost more in San Antonio than Denton?
Labor rates explain most of it — 0.95 in San Antonio vs 0.87 in Denton. A hot climate versus hot accounts for the rest.
How much is furnace replacement in Denton, TX?
furnace replacement in Denton runs $3,350–$5,950 as of 2026 — most jobs land near $4,650.
Do hvac pros really charge more in one city?
Yes — and the wage data shows it. A skilled installer earns about $24.2/hr in the McAllen-Edinburg-Mission area versus $28.4/hr around San Antonio-New Braunfels (BLS metro wage data). Since labor is roughly 60% of a furnace replacement job, that wage gap is the biggest reason the installed prices differ.
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 Denton and San Antonio (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?
Rarely. The $400 difference is real but one-time, and you can often close most of it in San Antonio by buying in the off-season and getting tighter, apples-to-apples bids. Ongoing factors — energy prices, climate and home condition — matter more over the life of the system.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik