Furnace Repair in Kennesaw
Get fast, fair pricing from licensed local pros. Typical Kennesaw cost: $75 – $250 installed.
- Flame sensor
- $75 – $250
- Igniter
- $150 – $425
- Blower motor
- $375 – $1.4k
- Control board
- $300 – $750
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Furnace repair cost by part.
Typical Kennesaw repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
In Kennesaw, Georgia, furnace repair costs vary based on the part and labor. Typical prices include flame sensor repair ($75–$250), igniter replacement ($150–$425), blower motor ($375–$1,450), control board ($300–$750), and heat exchanger ($1,450–$3,400+), plus a diagnostic fee of $70–$200. With many homes built around 1996, older furnaces may need more frequent repairs. Georgia requires a mechanical permit for furnace work, and using a licensed contractor is mandatory. Given the hot-humid climate and high cooling demand, a heat pump is often a strong fit for Kennesaw homes, offering both heating and cooling efficiency. The federal 25C tax credit (30%, up to $2,000 for qualifying heat pumps) can help offset upgrade costs.
- Diagnostic / service callOften credited toward the repair$70 – $200
- Flame sensor or thermocoupleCommon no-heat cause on gas units$75 – $250
- Hot-surface igniterFurnace clicks but won’t light$150 – $425
- Blower motorNo airflow / weak airflow$375 – $1,450
- Heat exchangerCracked exchanger often means replace$1,450 – $3,400+
* 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 Kennesaw
U.S. Census ACS- Households
- 13,344
- Homeowners
- 8,543
- 62% own
- Median home value
- $262,000
- Median income
- $81,467
- Median home built
- 1996
- Housing units
- 13,871
With a median home built in 1996, many Kennesaw 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 Kennesaw.
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 Kennesaw
Given Georgia’s hot-humid climate and mixed heating, high-seer2 heat pump is the sensible default for most Kennesaw 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: Georgia's Home Energy Rebates (GEFA) · Georgia Power Home Energy Improvement Program · EnergySage Georgia electricity rates
What Kennesaw code requires
Installing or replacing an HVAC system in Kennesaw follows Georgia 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—
Georgia follows the IECC-based state energy code; mechanical permits and licensed-contractor installs are required, and Manual J/S sizing is recommended practice but not strictly code-enforced on changeouts.
Sources: Georgia's Home Energy Rebates (GEFA) · Georgia Power Home Energy Improvement Program · EnergySage Georgia electricity rates
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A licensed Kennesaw 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 Kennesaw
Georgia heating is mostly mixed, which shapes the money back:
- StateUp to $8,000 for a qualifying heat pump (income-qualified, <150% AMI)Georgia Home Energy Rebates - HEAR (Home Electrification and Appliance Rebates) →
State or utility program — verify eligibility before you buy.
- StateUp to $1,000 (up to 50% back on qualifying energy-saving upgrades)Georgia Power Home Energy Improvement Program (HEIP) →
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 Georgia.
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- 1
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- 2
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- 3
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Furnace Repair in Kennesaw, explained.
What Affects Furnace Repair Costs in Kennesaw
Repair costs in Kennesaw depend on the part needed, labor rates, and whether a permit is required. Older homes (median built 1996) may have harder-to-find parts or more complex repairs. The hot-humid climate means furnaces are used less, but when they fail, repairs can be urgent. Using a licensed contractor ensures code compliance but adds to labor costs. Heat pump repairs may differ from gas furnace repairs, and the federal tax credit can make upgrading more affordable.
Common Furnace Problems in Kennesaw
Flame Sensor Failure
A dirty or faulty flame sensor can cause the furnace to shut off after ignition. Cleaning or replacing it costs $75–$250.
Igniter Malfunction
A broken igniter prevents the furnace from lighting. Replacement runs $150–$425.
Blower Motor Issues
A failing blower motor reduces airflow. Repair or replacement costs $375–$1,450.
Furnace Repair FAQs — Kennesaw
Yes, Georgia requires a mechanical permit for furnace repair or replacement. A licensed contractor must pull the permit and perform the work.
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