AC Repair in London
Get fast, fair pricing from licensed local pros. Typical London cost: $125 – $325 installed.
- Capacitor / contactor
- $125 – $325
- Refrigerant recharge
- $200 – $600
- Fan / blower motor
- $275 – $750
- Compressor
- $950 – $2.3k+
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AC repair cost by part.
Typical London repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
AC repair costs in London, Ohio, typically range from $125 for a capacitor replacement to over $2,300 for a compressor, plus a $60–$150 diagnostic fee. With a median home built in 1972 and a mixed-humid climate, many homes rely on older AC systems that may need refrigerant recharge (R-454B or R-32, as R-410A is phased down) or blower motor repairs. Local permitting requirements vary by jurisdiction, so always check with the Madison County building department before work begins. Most homes use a gas furnace with AC, making system compatibility a key consideration.
- Diagnostic / service callOften credited toward the repair$60 – $150
- Capacitor or contactorMost common no-cooling cause$125 – $325
- Refrigerant rechargeLeak search adds to the cost$200 – $600+
- Fan or blower motorCondenser or air-handler motor$275 – $750
- Compressor replacementOften near replace-the-system territory$950 – $2,300+
* If the system is over ~12 years old or the compressor fails, weigh repair against replacement.
Pricing reviewed · Local data from U.S. Census ACS
HVAC systems in London
U.S. Census ACS- Households
- 4,126
- Homeowners
- 2,855
- 60% own
- Median home value
- $174,600
- Median income
- $58,040
- Median home built
- 1972
- Housing units
- 4,755
With a median home built in 1972, many London 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 London.
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 London
Given Ohio’s mixed-humid climate and gas heating, high-seer2 ac + gas furnace is the sensible default for most London homes. A pro can confirm the right size and system for your home with a load calculation.
Sources: AEP Ohio Savings / Rebates · Duke Energy Ohio HVAC Replacement Rebate · Ohio Administrative Code 4101:8-14 (Residential Mechanical)
What London code requires
Installing or replacing an HVAC system in London follows Ohio 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—
Work follows the Residential Code of Ohio / Ohio Mechanical Code; permit + post-install inspection required, but permitting is handled by local city/county building departments so requirements vary by jurisdiction.
Sources: AEP Ohio Savings / Rebates · Duke Energy Ohio HVAC Replacement Rebate · Ohio Administrative Code 4101:8-14 (Residential Mechanical)
Not sure which rules and rebates apply to your home?
A licensed London 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 London
Ohio heating is mostly gas, which shapes the money back:
- State$300+ for air-source heat pumps, up to $1,200 for geothermalAEP Ohio Residential Energy Efficiency Rebates (air-source/ductless/geothermal heat pumps) →
State or utility program — verify eligibility before you buy.
- StateVaries by qualifying high-efficiency equipmentDuke Energy Ohio HVAC Replacement 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, including Ohio, subject to current federal eligibility.
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- 1
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- 2
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- 3
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AC Repair in London, explained.
What affects AC repair costs in London?
Repair costs in London depend on the part needed—capacitors ($125–$325) are less expensive than compressors ($950–$2,300+). Labor rates reflect local median income ($58,040) and permit fees, which vary by jurisdiction. Older homes (median built 1972) may have outdated wiring or ductwork that increases labor time. Refrigerant type also matters: R-454B or R-32 systems are newer, while older R-410A units may require phased-down refrigerant. Seasonal demand (moderate cooling season) can affect scheduling availability.
Common AC repair issues in London
Capacitor or contactor failure
A failed capacitor or contactor is a frequent cause of AC not starting or running intermittently. Repair typically costs $125–$325.
Refrigerant leak or low charge
Leaks are common in older systems. Recharging with R-454B or R-32 costs $200–$600+, and repairs may require locating and sealing the leak.
Blower motor or fan issues
A faulty blower motor reduces airflow. Replacement runs $275–$750, often needed in homes with older ductwork.
AC Repair FAQs — London
Permit requirements vary by jurisdiction. The Residential Code of Ohio and Ohio Mechanical Code apply, but local building departments (e.g., Madison County) handle enforcement. Always verify with your local office before major repairs.
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