Furnace Repair in Dedham
Get fast, fair pricing from licensed local pros. Typical Dedham cost: $80 – $250 installed.
- Flame sensor
- $80 – $250
- Igniter
- $150 – $450
- Blower motor
- $400 – $1.5k
- Control board
- $300 – $800
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Furnace repair cost by part.
Typical Dedham repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
Furnace repair in Dedham, Massachusetts, typically costs between $80 and $3,500 depending on the component. With a median home age of 71 years, many systems require frequent repairs. Local labor rates and a mandatory mechanical permit ($75–$200 diagnostic fee) add to the total. Dedham's cold climate (Zone 5) means a properly sized furnace is critical for winter reliability. Many homeowners consider dual-fuel systems for efficiency, especially with Mass Save rebates shifting to cold-climate heat pumps after 2025.
- Diagnostic / service callOften credited toward the repair$75 – $200
- Flame sensor or thermocoupleCommon no-heat cause on gas units$80 – $250
- Hot-surface igniterFurnace clicks but won’t light$150 – $450
- Blower motorNo airflow / weak airflow$400 – $1,500
- Heat exchangerCracked exchanger often means replace$1,500 – $3,500+
* 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 Dedham
U.S. Census ACS- Households
- 10,060
- Homeowners
- 7,346
- 68% own
- Median home value
- $601,700
- Median income
- $118,877
- Median home built
- 1955
- Housing units
- 10,885
With a median home built in 1955, many Dedham 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 Dedham.
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 Dedham
Given Massachusetts’s cold climate and mixed heating, dual-fuel (cold-climate heat pump + gas furnace) is the sensible default for most Dedham homes. A pro can confirm the right size and system for your home with a load calculation.
Sources: Mass Save Air Source Heat Pumps · EIA Massachusetts State Energy Profile
What Dedham code requires
Installing or replacing an HVAC system in Dedham follows Massachusetts 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 (Climate Zone 5) sizing matters; Mass Save now requires cold-climate-rated heat pumps and excludes R-410A models from rebates as of Jan 1, 2026.
Sources: Mass Save Air Source Heat Pumps · EIA Massachusetts State Energy Profile
Not sure which rules and rebates apply to your home?
A licensed Dedham pro will walk you through code, the right unit, and what you can claim back — in one quick call.
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Money back in Dedham
Massachusetts heating is mostly mixed, which shapes the money back:
- StateUp to $2,650/ton, capped at $8,500Mass Save Whole-Home 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.
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- 1
Tell us what’s wrong
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- 2
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- 3
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Furnace Repair in Dedham, explained.
What Affects Furnace Repair Costs in Dedham?
Repair costs vary by part: flame sensor ($80–$250), igniter ($150–$450), blower motor ($400–$1,500), control board ($300–$800), or heat exchanger ($1,500–$3,500+). Labor and a required permit add $75–$200. Older homes may have harder-to-access systems, increasing labor time. Choosing a dual-fuel setup can affect future repair costs but may qualify for federal tax credits.
Common Furnace Problems in Dedham
Ignition Failure
A faulty igniter or flame sensor prevents the furnace from lighting, common in older systems.
Blower Motor Malfunction
A worn blower motor reduces airflow, causing uneven heating and higher energy use.
Heat Exchanger Cracks
Cracked heat exchangers can leak carbon monoxide; replacement is costly ($1,500–$3,500+).
Furnace Repair FAQs — Dedham
Yes, Massachusetts requires a mechanical permit for most furnace repairs. Your contractor should handle the permit and inspection.
Furnace Repair near Dedham
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