HVAC · Morristown, TN
How much does furnace replacement cost in Morristown, TN? (2026)
In Morristown, furnace replacement runs $3,750–$6,700, with most paying around $5,250 — about 3% below the national average. Replacing a residential furnace, including the unit and installation labor.
Updated June 2026 · Localized estimate, not a quote
Most homeowners pay around $5,250
- Typical cost
- $5,250
- Labor vs US
- −12%
- Climate
- Mixed
- Local permit
- $200
Refine your estimate
Tune it to your home to narrow the furnace replacement range.
Key takeaways for Morristown
- Most Morristown homeowners land around $5,250 for furnace replacement, within a $3,750–$6,700 range that sits about 3% below the national average.
- This estimate departs from the national number mainly because Morristown labor sits −12% versus the US average.
- Set aside roughly $200 for the permit; that's already part of the range above, not an add-on.
- 15 to 30 years is the usual service life, so budget for the next one before it fails.
- Booking during Spring and fall (Mar–May, Sep–Oct) typically saves about 5–15% versus peak-season pricing.
- The estimate above is before incentives; federal 25C/25D credits and utility rebates below can reduce what you actually pay.
What goes into the price in Morristown
A typical Morristown furnace replacement of $5,250 breaks down roughly like this — materials priced near the national level, labor set by local rates.
| Line item | Morristown 2026 range |
|---|---|
| Materials & equipmentThe equipment and materials themselves — this part barely shifts by location. | $1,400 – $2,600 |
| Labor & installationThe installation work itself — removal, setup and startup — is what your city's labor rate actually moves. | $2,150 – $3,900 |
| Permit & feesHVAC permit cost, adjusted to this city's rate. | $200 |
| Total installed cost | $3,750 – $6,700 |
Split from the Morristown estimate using a 60% local-labor share; line items sum to the total.
Why furnace replacement costs what it does in Morristown
- Labor in Morristown runs about 12% below the national average (based on price levels for the Morristown metro area), which lowers the installed price.
- A HVAC permit in Morristown costs around $200, included above.
Furnace Replacement cost by home size in Morristown
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.
| home size | Morristown 2026 range |
|---|---|
| 1,000 sq ft (≈45,000 BTU) | $2,800 – $5,050 |
| 1,500 sq ft (≈68,000 BTU) | $3,250 – $5,750 |
| 2,000 sq ft (≈90,000 BTU) | $3,750 – $6,700 |
| 2,500 sq ft (≈110,000 BTU) | $4,300 – $7,600 |
| 3,000 sq ft (≈130,000 BTU) | $4,850 – $8,550 |
| 3,500+ sq ft (≈150,000 BTU) | $5,400 – $9,500 |
National size ranges localized to Morristown labor and climate.
Furnace Replacement cost by type in Morristown
| Gas furnace | $3,650 – $6,600 |
| High-efficiency gas furnace | $3,250 – $6,600 |
| Electric furnace | $2,050 – $4,400 |
Adjusted to Morristown from national type-level ranges.
Furnace Replacement cost by efficiency in Morristown
Efficiency is measured in AFUE — the percentage of fuel turned into heat. Higher AFUE costs more upfront but cuts fuel bills, and in cold (northern) regions the DOE requires ≥95% AFUE gas furnaces.
| 80% AFUE (standard)Lowest upfront; fine in mild climates | $3,000 – $5,300 |
| 90–95% AFUE (high-efficiency)Best all-round value in most regions | $3,750 – $6,700 |
| 96%+ AFUE (condensing, premium)Lowest fuel bills; required in cold zones | $4,850 – $9,000 |
Labor vs. materials in Morristown
Install crew, removal, permit & startup — the part Morristown rates move most.
Equipment & materials — priced closer to the national level.
Split based on a typical $5,250 Morristown project; your mix varies with scope.
How we estimate it
| National range | $3,800 – $7,000 |
| Morristown labor adjustment | ×0.93 |
| mixed climate factor | ×1 |
| Local permit | +$200 |
| Morristown estimate | $3,750 – $6,700 |
Promo prices vs. the real cost
Installers advertise low teaser prices to win the visit — keep them separate from the real installed cost above:
- Service call / diagnostic fee$75–$150
- "Free" replacement estimate$0 — it's a sales visit
- Seasonal tune-up promo$79–$129
- Financing offers$0 down · 0% APR, 12–60 mo
Additional furnace replacement costs to budget for
Treat them as possibilities, not certainties — the ones that reach your quote follow your property's age and setup.
| Old furnace removal & disposal | $50 – $330 |
| New ductwork (vs. repair $300–$1,500)Only if ducts are missing or failing | $1,000 – $5,000 |
| Gas line run or upgrade | $250 – $800 |
| Chimney liner (for high-efficiency venting) | $600 – $2,500 |
| Smart thermostat | $150 – $500 |
Typical national add-on ranges; confirm locally during your quote.
What's included
- Thermostat connection and system startup/testing
- The furnace unit and burner assembly
- Installation labor and basic ductwork connections
- Removal and disposal of the old unit
What affects the cost
- Heating capacity (BTU) needed for your square footage
- Whether a chimney liner or new gas line is required
- Fuel type (gas vs electric) and AFUE efficiency rating
- Condition of existing ductwork and venting
Ways to save on furnace replacement in Morristown
- Right-size the unit; oversizing wastes money and cycles hard
- Look for utility rebates on high-efficiency models
- Get at least 3 quotes — installed prices vary widely
- Schedule in the off-season (spring/summer) for better rates
How long does furnace replacement last in Morristown?
Gas furnaces typically last 15–20 years; well-maintained units can reach 30.
An annual tune-up keeps efficiency up and protects the warranty.
Signs you need furnace replacement in Morristown
- The furnace is 15+ years old (near or past its service life)
- Heating bills keep climbing despite no change in usage
- Some rooms are warm while others stay cold (uneven heating)
- Frequent repairs — you've called for service more than once or twice recently
- Banging, rattling or screeching noises on startup
- A yellow or flickering burner flame instead of steady blue (have it checked immediately)
- More dust, dryness, or a stale smell when the heat runs
Repair or replace in Morristown?
Repair if…
- The unit is under ~10 years old and otherwise efficient
- The fix is a single inexpensive part (igniter, flame sensor, capacitor)
- It's still under manufacturer warranty
Replace if…
- It's 15+ years old and needs a major part
- The heat exchanger is cracked (a safety issue — replace, don't repair)
- The repair costs more than about half of a new system
- It's an 80% AFUE unit and your fuel bills are high in a cold climate
Rebates & incentives in Tennessee
Most 2026 rebates reward switching to a heat pump, not a like-for-like gas furnace. Replacing a gas furnace, your savings are mainly utility efficiency rebates (high-AFUE models) — but pricing out a heat pump often qualifies you for far larger rebates.
The federal 25C tax credit (up to $2,000 for heat pumps; $600 for high-efficiency AC or furnaces) and the 25D credit ended December 31, 2025 under the One Big Beautiful Bill Act — neither is available for 2026 installs. The remaining federal help is the IRA Home Electrification & Appliance Rebates (HEAR): up to $8,000 toward a heat pump for households under 150% of area median income, paid at point of sale where a state has launched its program.
Verified July 2026. Rebate budgets deplete and program windows change fast — confirm current amounts and eligibility with your utility and the DSIRE database before you budget. Costadia does not administer these programs.
Cheapest time for furnace replacement in Morristown
Why spring and fall are cheaper: contractors have open calendar space and compete harder for the work. Why summer and deep winter are expensive: a broken system in extreme weather isn't optional, so you lose your negotiating leverage.
Why furnace replacement quotes vary — and how to compare them fairly
Big gaps between bids come down to scope far more often than greed. This breaks down the levers and how to force a like-for-like comparison.
Why a quote looks high (or low)
- Equipment tier isn't matched — a 14.3 SEER2 bid will always undercut an 18 SEER2 one for the "same" job.
- Brand, warranty length and whether startup/commissioning is included all move the number.
- Sizing was guessed from square footage instead of a Manual J load calculation, so the equipment is wrong.
Get an apples-to-apples bid
- Require an itemized quote splitting equipment, labor, permit and add-ons.
- Insist on a Manual J load calculation, not a square-footage guess.
- Confirm old-unit removal, the permit and startup testing are all included.
- Get at least three written bids before you sign.
Questions to ask Morristown HVAC pros
Quotes only compare cleanly when every bidder is pricing the same work — put these to each of them before you commit.
- 1Did you run a Manual J load calculation to size the system, or estimate from square footage?
- 2What AFUE/SEER2 rating is this unit, and what's the payback vs. the next tier up?
- 3Is removal of the old equipment, the permit, and startup testing included in the quote?
- 4Will my existing ductwork and venting work as-is, or is repair/resizing needed?
- 5What's covered under the labor warranty vs. the manufacturer's parts warranty?
Furnace Replacement in Morristown
How much does furnace replacement cost in Morristown, TN?
In Morristown, furnace replacement typically costs $3,750 to $6,700 in 2026, with most homeowners paying around $5,250. Local labor, the mixed climate and permit fees are all baked into that number.
Is furnace replacement more expensive in Morristown than average?
Labor is the biggest lever here: at an index of 0.93 versus the US average, Morristown ends up about 3% lower than the national average., before the HVAC permit, which runs about $200.
Do I need a permit for furnace replacement in Morristown?
The estimate above already covers the HVAC permit Morristown generally requires for this job, so the $200 or so it costs won't land as a surprise.
What affects furnace replacement cost the most?
In plain terms, replacing a residential furnace, including the unit and installation labor. Expect equipment/material grade, home size and complexity, local labor rates and the mixed climate zone to matter most here.
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 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 most expensive variable on the quote isn't the logo — it's whether the system is sized right and installed well. Oversize a premium unit and it short-cycles, wears fast and underperforms; commission a correctly sized mid-tier one and keep up the annual service, and it simply lasts longer. Spend on the installation, 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.
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.
Editorial analysis by Serhat Özçelik, reviewed by Costadia Editorial. These are our own cost perspectives, not third-party endorsements.
How we calculated this estimate
We start with 2026 national furnace replacement ranges compiled from contractor-pricing sources (Angi, HomeGuide, Fixr and EnergySage averages), then localize them to Morristown using the BEA Regional Price Parity labor index (×0.93 here), the IECC mixed-climate factor (×1) and a typical local permit fee (≈$200). Federal incentive details reference the IRS Inflation Reduction Act (25C/25D) and DSIRE.
This is a planning estimate, not a quote. Actual prices vary with your home's condition, equipment grade and contractor — always confirm with licensed local pros before budgeting.
References & data sources
Our Morristown furnace replacement estimate is built from these primary, mostly government sources — not a single aggregator.
- Occupational Employment & Wage Statistics (metro wages) — U.S. Bureau of Labor Statistics.Metro-level trade wages behind each city's labor index.
- Regional Price Parities (state & metro) — U.S. Bureau of Economic Analysis.Regional price levels used where metro wage data is unavailable.
- IECC Climate Zones — U.S. DOE — Building Energy Codes Program.Climate-zone factors applied to weather-sensitive projects.
- Home Energy Tax Credits (25C / 25D) — Internal Revenue Service.Federal rebate and tax-credit figures for eligible upgrades.
- Database of State Incentives for Renewables & Efficiency — DSIRE — NC State University.State and utility incentive programs by ZIP code.
Furnace replacement alternatives in Morristown
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Bundling these shares labor and setup — and a single visit.
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