Furnace Repair in Durham
Get fast, fair pricing from licensed local pros. Typical Durham cost: $75 – $225 installed.
- Flame sensor
- $75 – $225
- Igniter
- $150 – $425
- Blower motor
- $375 – $1.4k
- Control board
- $275 – $750
What's going on with your HVAC system?
- Licensed& fully insured
- Same-dayservice available
- Upfrontpricing, no pressure
- Localpros, nationwide
Furnace repair cost by part.
Typical Durham repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
Furnace repair in Durham, New Hampshire, typically costs between $75 and $3,300 depending on the part, with a diagnostic fee of $70–$175. Many homes were built around 1972, so older systems may need more frequent repairs. New Hampshire requires a mechanical permit for furnace work, and local HVAC pros follow cold-climate sizing practices. For long-term efficiency, a dual-fuel system is a strong fit, pairing a heat pump with a furnace for backup heat.
- Diagnostic / service callOften credited toward the repair$70 – $175
- Flame sensor or thermocoupleCommon no-heat cause on gas units$75 – $225
- Hot-surface igniterFurnace clicks but won’t light$150 – $425
- Blower motorNo airflow / weak airflow$375 – $1,400
- Heat exchangerCracked exchanger often means replace$1,400 – $3,300+
* A cracked heat exchanger is a safety issue — on an older furnace, replacement is usually the call.
Pricing reviewed · Local data from U.S. Census ACS
HVAC systems in Durham
U.S. Census ACS- Households
- 4,316
- Homeowners
- 773
- 38% own
- Median home value
- $431,500
- Median income
- $93,542
- Median home built
- 1972
- Housing units
- 2,030
With a median home built in 1972, many Durham AC and furnace systems are at or past their 12–15 year lifespan — a common reason replacements spike here.
Ready to get your HVAC system serviced in Durham?
Speak with a licensed, insured HVAC technician near you. Upfront pricing, same-day availability, no obligation.
- Licensed & insured
- Same-day availability
- Upfront, no-pressure pricing
- Local pros near you
No obligation — talk through your options.
What’s different about Durham.
Generic cost pages skip the things that actually decide your price and which system fits here — local code, climate, and the money you can claim back.
Recommended unit for Durham
Given New Hampshire’s cold climate and mixed heating, dual-fuel (cold-climate heat pump + gas furnace) is the sensible default for most Durham homes. The cooling season is short, so the budget is better spent on heating efficiency than on ultra-high SEER2. A pro can confirm the right size and system for your home with a load calculation.
Sources: NHSaves Heat Pumps (residential rebates) · NH Department of Energy Home Electrification & Appliance Rebates · Choose Energy NH electricity rates
What Durham code requires
Installing or replacing an HVAC system in Durham follows New Hampshire rules under the state mechanical code. Here’s what applies statewide:
- PermitRequired
Mechanical permit pulled by your licensed HVAC contractor; covers equipment, refrigerant, and the electrical disconnect.
- SEER2 minimum13.4 SEER2 (North)
Federal North-region minimum for new split-system AC. Higher tiers cut bills and unlock rebates.
- Load calculationRecommended
Sizing by load calc — not rule of thumb — prevents an oversized unit that short-cycles and never dehumidifies.
- RefrigerantR-454B / R-32 (R-410A phased down 2025+)
- Good to know—
Cold-climate sizing matters: NHSaves rebates require cold-climate heat pumps rated for low ambient (NEEP-listed) performance, and equipment must use R-32/R-454B (R-410A no longer allowed).
Sources: NHSaves Heat Pumps (residential rebates) · NH Department of Energy Home Electrification & Appliance Rebates · Choose Energy NH electricity rates
Not sure which rules and rebates apply to your home?
A licensed Durham pro will walk you through code, the right unit, and what you can claim back — in one quick call.
No obligation — talk through your options.
Money back in Durham
New Hampshire heating is mostly mixed, which shapes the money back:
- State$250 per ton, up to $1,250NHSaves Cold-Climate Heat Pump Rebate (standard tier, switching from oil/gas/propane) →
State or utility program — verify eligibility before you buy.
- State$750 (UEF 2.0+)NHSaves Heat Pump Water Heater Rebate →
State or utility program — verify eligibility before you buy.
- Federal30% of cost, up to $2,000Federal 25C tax credit — heat pump →
For a qualifying ENERGY STAR heat pump meeting the CEE efficiency tier. Claimed on your federal return.
- Federal30% of cost, up to $600Federal 25C tax credit — central AC →
For a qualifying high-efficiency central air conditioner.
The federal 25C tax credit (30%, up to $2,000 for a qualifying heat pump and up to $600 for a high-efficiency central AC) applies in every state, including New Hampshire.
Comfort back in three steps.
- 1
Tell us what’s wrong
Use the cost tool or call — takes 30 seconds. No cool air, no heat, or time for a new system.
- 2
Get matched with a local pro
We connect you with a licensed, insured HVAC technician near you — often the same day.
- 3
Repair or replace, fast
Your pro confirms the price on-site and gets your comfort back. Most jobs done in a few hours.
Furnace Repair in Durham, explained.
What affects repair costs in Durham?
Labor rates reflect the local market, and the age of your furnace—often 50+ years old—can make parts harder to find. The type of repair matters: a flame sensor is more affordable, while a heat exchanger replacement is costly. Permit fees and the need for cold-climate-rated equipment also influence the final price.
Common furnace repairs in Durham
Igniter failure
A worn-out igniter prevents the furnace from lighting; replacement runs $150–$425.
Blower motor issues
A faulty blower motor reduces airflow; repair costs $375–$1,400.
Flame sensor problems
A dirty or broken flame sensor causes short cycling; cleaning or replacement is $75–$225.
Furnace Repair FAQs — Durham
Yes, New Hampshire requires a mechanical permit for most furnace repairs. Your contractor should handle the permit and inspection.
Get a furnace repair quote.
No heat? Compare licensed local pros fast.