Furnace Repair in Lewiston
Get fast, fair pricing from licensed local pros. Typical Lewiston cost: $70 – $225 installed.
- Flame sensor
- $70 – $225
- Igniter
- $125 – $400
- Blower motor
- $350 – $1.4k
- Control board
- $275 – $700
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Furnace repair cost by part.
Typical Lewiston repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
Furnace repair in Lewiston, Idaho typically costs between $65 and $175 for a diagnostic fee, plus parts and labor. With many homes built around 1970, older systems often need repairs like flame sensor or igniter replacements. Idaho requires a mechanical permit for furnace work, which must be purchased online, and a final inspection is usually needed. Given the cold climate (IECC zones 5-6), proper sizing is critical to handle hard winters. A dual-fuel system is often recommended for efficiency and reliability. Federal 25C tax credits may help offset costs for qualifying high-efficiency upgrades.
- Diagnostic / service callOften credited toward the repair$65 – $175
- Flame sensor or thermocoupleCommon no-heat cause on gas units$70 – $225
- Hot-surface igniterFurnace clicks but won’t light$125 – $400
- Blower motorNo airflow / weak airflow$350 – $1,350
- Heat exchangerCracked exchanger often means replace$1,350 – $3,100+
* 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 Lewiston
U.S. Census ACS- Households
- 13,708
- Homeowners
- 9,904
- 66% own
- Median home value
- $259,800
- Median income
- $63,109
- Median home built
- 1970
- Housing units
- 14,978
With a median home built in 1970, many Lewiston 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 Lewiston.
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 Lewiston
Given Idaho’s cold climate and mixed heating, dual-fuel (cold-climate heat pump + gas furnace) is the sensible default for most Lewiston homes. A pro can confirm the right size and system for your home with a load calculation.
Sources: Idaho Power Rebates and Offers · Idaho DOPL HVAC Permits and Inspections
What Lewiston code requires
Installing or replacing an HVAC system in Lewiston follows Idaho 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: much of Idaho is in IECC zones 5-6, so equipment must handle hard winters; permits must be purchased online and a final inspection is typically required.
Sources: Idaho Power Rebates and Offers · Idaho DOPL HVAC Permits and Inspections
Not sure which rules and rebates apply to your home?
A licensed Lewiston 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 Lewiston
Idaho heating is mostly mixed, which shapes the money back:
- State$500-$1,000 per qualifying heat pump (up to ~$3,000 for some systems)Idaho Power Heating & Cooling Efficiency rebates (ducted/water-source heat pumps) →
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 Idaho.
Comfort back in three steps.
- 1
Tell us what’s wrong
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- 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 Lewiston, explained.
What affects furnace repair costs in Lewiston?
Repair costs vary based on the part needed: flame sensor ($70–$225), igniter ($125–$400), blower motor ($350–$1,350), control board ($275–$700), or heat exchanger ($1,350–$3,100+). Labor rates reflect local costs, and the age of your home (median built 1970) may mean harder-to-find parts. Permit fees and inspection requirements add a small amount. The cold climate means repairs must be done correctly to avoid breakdowns in winter.
Common furnace repairs in Lewiston
Flame sensor failure
A dirty or faulty flame sensor can cause the furnace to shut off after ignition. Cleaning or replacing it costs $70–$225.
Igniter problems
A broken igniter prevents the burner from lighting. Replacement runs $125–$400, common in older units.
Blower motor issues
A failing blower motor reduces airflow. Replacement costs $350–$1,350, often needed in aging systems.
Furnace Repair FAQs — Lewiston
Yes, Idaho requires a mechanical permit for most furnace repairs. It must be purchased online, and a final inspection is typically required to ensure code compliance.
Furnace Repair near Lewiston
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