Furnace Repair in St. George
Get fast, fair pricing from licensed local pros. Typical St. George 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 St. George repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
Furnace repair in St. George, Utah, typically costs between $80 and $3,500 depending on the component. With a median home age of 27 years, many furnaces are nearing or past their expected lifespan. Local technicians charge $75–$200 for diagnostics, and mechanical permits are required by Utah state code. The cold-dry high-desert climate means heating loads are significant, so proper sizing is critical. Most homes use gas furnaces, and a gas furnace paired with a heat pump is a recommended setup for efficiency and comfort.
- 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 St. George
U.S. Census ACS- Households
- 38,470
- Homeowners
- 22,908
- 57% own
- Median home value
- $415,200
- Median income
- $69,333
- Median home built
- 1999
- Housing units
- 40,017
With a median home built in 1999, many St. George 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 St. George.
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 St. George
Given Utah’s cold-dry climate and gas heating, high-seer2 ac + gas furnace is the sensible default for most St. George homes. A pro can confirm the right size and system for your home with a load calculation.
Sources: Rocky Mountain Power - Savings & Energy Choices for Homes (Wattsmart) · SEER2 North Region efficiency standards · EIA Utah electricity profile
What St. George code requires
Installing or replacing an HVAC system in St. George follows Utah 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-dry high-desert climate: equipment should be sized for hard winter heating loads, and a cold-climate (NEEP-listed) heat pump is required to earn the top Rocky Mountain Power Wattsmart rebate.
Sources: Rocky Mountain Power - Savings & Energy Choices for Homes (Wattsmart) · SEER2 North Region efficiency standards · EIA Utah electricity profile
Not sure which rules and rebates apply to your home?
A licensed St. George 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 St. George
Utah heating is mostly gas, which shapes the money back:
- StateUp to $2,000 (cold-climate/NEEP-listed unit)Rocky Mountain Power Wattsmart Homes - Heat Pump →
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, though it is set to expire after 2025.
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- 1
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- 2
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- 3
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Your pro confirms the price on-site and gets your comfort back. Most jobs done in a few hours.
Furnace Repair in St. George, explained.
What affects furnace repair costs in St. George?
Costs vary by the specific part needing replacement: flame sensors ($80–$250), igniters ($150–$450), blower motors ($400–$1,500), control boards ($300–$800), and heat exchangers ($1,500–$3,500+). Labor rates reflect the local median income of $69,333. The age of your furnace (median home built 1999) may increase repair difficulty. Permit fees and the need for load calculations in this cold-dry climate also influence the final price.
Common furnace problems in St. George
Flame sensor failure
A dirty or faulty flame sensor is a frequent issue in dry climates, causing the furnace to cycle on and off.
Igniter wear
The igniter can crack or fail after years of use, especially in older furnaces common in St. George.
Blower motor malfunction
Blower motors may fail due to dust buildup or age, reducing airflow and heating efficiency.
What to expect during a furnace repair in St. George
A technician will first diagnose the issue for a fee of $75–$200. They will check the furnace, identify the faulty component, and provide a cost estimate for repair. If the part is in stock, repairs are often completed in one visit. A mechanical permit is required for most repairs, and the technician will handle that. After repair, they may recommend a tune-up to extend the furnace's life.
Furnace Repair FAQs — St. George
Yes, Utah state code requires a mechanical permit for most furnace repairs. Your HVAC contractor should obtain the permit and include the fee in the estimate.
Furnace Repair near St. George
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