Furnace Repair in Madison
Get fast, fair pricing from licensed local pros. Typical Madison cost: $90 – $275 installed.
- Flame sensor
- $90 – $275
- Igniter
- $175 – $500
- Blower motor
- $450 – $1.7k
- Control board
- $350 – $900
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Furnace repair cost by part.
Typical Madison repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
Furnace repair in Madison, Wisconsin, typically costs between $85 and $225 for a diagnostic fee, plus labor and parts. Common repairs like flame sensor replacement run $90–$275, while blower motor repairs range $450–$1,700. Because Madison is a cold-climate state, furnaces must be sized for severe winter design temperatures. Most homes use gas heating, and a licensed Wisconsin HVAC contractor (DSPS) is required for all repairs, including like-for-like replacements. A mechanical permit is also needed. The median home in Madison was built in 1978, so older systems may need more frequent repairs. For high-efficiency upgrades, the federal 25C tax credit offers up to $600 for qualifying central AC or $2,000 for a heat pump, though gas furnaces remain common.
- Diagnostic / service callOften credited toward the repair$85 – $225
- Flame sensor or thermocoupleCommon no-heat cause on gas units$90 – $275
- Hot-surface igniterFurnace clicks but won’t light$175 – $500
- Blower motorNo airflow / weak airflow$450 – $1,700
- Heat exchangerCracked exchanger often means replace$1,700 – $4,000+
* 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 Madison
U.S. Census ACS- Households
- 107,406
- Homeowners
- 56,660
- 45% own
- Median home value
- $326,600
- Median income
- $74,895
- Median home built
- 1978
- Housing units
- 125,713
With a median home built in 1978, many Madison AC and furnace systems are at or past their 12–15 year lifespan — a common reason replacements spike here.
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What’s different about Madison.
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 Madison
Given Wisconsin’s cold climate and gas heating, high-seer2 ac + gas furnace is the sensible default for most Madison 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: Focus on Energy - Residential Heating & Cooling · Wisconsin DSPS HVAC Contractor / mechanical permitting · EIA Wisconsin Electricity Profile
What Madison code requires
Installing or replacing an HVAC system in Madison follows Wisconsin 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 state: equipment must be sized for severe winter design temps; mechanical permit and a licensed Wisconsin HVAC contractor (DSPS) required even for like-for-like changeouts.
Sources: Focus on Energy - Residential Heating & Cooling · Wisconsin DSPS HVAC Contractor / mechanical permitting · EIA Wisconsin Electricity Profile
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Money back in Madison
Wisconsin heating is mostly gas, which shapes the money back:
- State$400-$900 instant rebateFocus on Energy - Residential Air-Source Heat Pump 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 Wisconsin.
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- 1
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- 2
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- 3
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Furnace Repair in Madison, explained.
What affects furnace repair costs in Madison?
Repair costs vary based on the part needed, labor rates, and whether a permit is required. Older homes (median built 1978) may have outdated systems that are harder to service. The cold climate means repairs often happen during peak winter demand, which can affect availability. The diagnostic fee ($85–$225) is standard. Using a licensed DSPS contractor ensures code compliance but may cost more than unlicensed work. Rebates like the 25C tax credit can offset costs for qualifying high-efficiency replacements.
Common furnace repairs in Madison
Flame sensor failure
A dirty or faulty flame sensor causes the furnace to cycle on and off. Repair cost: $90–$275.
Igniter problems
A cracked or worn igniter prevents ignition. Replacement runs $175–$500.
Blower motor issues
The blower motor may fail due to age or overheating. Repair cost: $450–$1,700.
What to expect during a furnace repair in Madison
A licensed technician will first diagnose the issue ($85–$225 diagnostic fee). They will check the furnace, identify the faulty part, and provide an upfront cost estimate. If a permit is needed (required for most repairs in Wisconsin), the contractor will handle it. Repairs typically take 1–3 hours. After repair, the system is tested to ensure safe operation.
Furnace Repair FAQs — Madison
Yes, Wisconsin requires a mechanical permit for most furnace repairs, including like-for-like replacements. Your licensed contractor should obtain the permit.
Furnace Repair near Madison
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