Furnace Repair in Florence
Get fast, fair pricing from licensed local pros. Typical Florence cost: $70 – $225 installed.
- Flame sensor
- $70 – $225
- Igniter
- $125 – $400
- Blower motor
- $350 – $1.3k
- Control board
- $250 – $700
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Furnace repair cost by part.
Typical Florence repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
Furnace repair costs in Florence, SC, typically range from $65–$175 for diagnostic fees, plus parts and labor. With a median home age of 46 years, older furnaces often need repairs like flame sensor or igniter replacements ($70–$400). South Carolina's hot-humid climate means many homes use heat pumps, but furnace repairs still apply for gas or electric systems. Local permits are required for major repairs; a mechanical permit ensures code compliance. Given the high heat-pump adoption, electric-strip backup sizing is a key consideration during repairs.
- 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 – $1,300
- Heat exchangerCracked exchanger often means replace$1,300 – $3,000+
* 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 Florence
U.S. Census ACS- Households
- 15,972
- Homeowners
- 9,625
- 50% own
- Median home value
- $175,700
- Median income
- $56,031
- Median home built
- 1980
- Housing units
- 19,161
With a median home built in 1980, many Florence 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 Florence.
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 Florence
Given South Carolina’s hot-humid climate and heat-pump heating, high-seer2 heat pump is the sensible default for most Florence homes. With a long, hard cooling season here, stepping up the SEER2 tier pays back through lower summer bills. A pro can confirm the right size and system for your home with a load calculation.
Sources: Dominion Energy SC Heating and Cooling Rebates · Duke Energy HVAC Replacement Rebate · EIA South Carolina Electricity Profile
What Florence code requires
Installing or replacing an HVAC system in Florence follows South Carolina 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 minimum14.3 SEER2 (Southeast)
Federal Southeast-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—
South Carolina enforces the IECC-based state energy code with a hot-humid focus; high heat-pump adoption means electric-strip backup sizing and humidity control matter more than cold-climate concerns.
Sources: Dominion Energy SC Heating and Cooling Rebates · Duke Energy HVAC Replacement Rebate · EIA South Carolina Electricity Profile
Not sure which rules and rebates apply to your home?
A licensed Florence 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 Florence
South Carolina heating is mostly heat-pump, which shapes the money back:
- State$400-$1,000 (up to $650 for electric furnace to heat pump)Dominion Energy SC - Heating & Cooling Rebates (ENERGY STAR heat pump) →
State or utility program — verify eligibility before you buy.
- State$500-$1,000 (heat pump replacement; requires Home Energy Check)Duke Energy SC - HVAC Replacement / Home Energy Improvement rebates →
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.
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 South Carolina.
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- 1
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- 2
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- 3
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Furnace Repair in Florence, explained.
What affects furnace repair costs in Florence?
Prices vary by part: flame sensor ($70–$225), igniter ($125–$400), blower motor ($350–$1,300), control board ($250–$700), or heat exchanger ($1,300–$3,000+). Labor rates reflect local costs and permit fees. Older homes (median built 1980) may have outdated systems needing more labor. Seasonal demand in Florence's hot-humid climate can affect availability, but heat-pump systems are common, so furnace repairs are less frequent than AC repairs.
Common furnace repairs in Florence
Flame sensor failure
A dirty or faulty flame sensor can cause the furnace to shut off after ignition. Cleaning or replacement costs $70–$225.
Igniter problems
A cracked or worn igniter prevents the furnace from lighting. Replacement runs $125–$400.
Blower motor issues
A failing blower motor reduces airflow. Repair or replacement costs $350–$1,300.
Furnace Repair FAQs — Florence
Yes, South Carolina requires a mechanical permit for most furnace repairs involving gas or electrical work. Your contractor should pull the permit and include it in the cost.
Furnace Repair near Florence
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