AC replacement
$6,850
Typical for a 1,500–2,500 sq ft home. Most jobs run $4,600–$10,250.
All of Kentucky
Kentucky
HVAC prices in Louisville/Jefferson County
$6,850
AC replacement typical, 1,500–2,500 sq ft
1978
Median home built Census ACS
Most AC replacement quotes here land between $4,600 and $10,250. Every figure is local: wages, prices, climate and permits for the Louisville/Jefferson County, KY-IN metro area.
The median home here was built in 1978; 50% heat with gas and 44% with electricity (Census ACS). Photo: Arian Fernandez on Pexels.
Check a quote hereThe numbers here
What HVAC costs in Louisville/Jefferson County, in four figures
Prices, wages and weather for this metro, against the other metros in the state.
HVAC technician wage
$28/hr
Median hourly pay here against $29.33 for the US (BLS OEWS). Labor is a third of a typical install.
Hot days a year
37≥90°F
1,537 cooling and 4,154 heating degree days in a normal year, 1991–2020 (NOAA).
HVAC companies
449
8 for every 10,000 homes (Census County Business Patterns). More competition tends to mean tighter quotes.
HVAC technician pay
Half the 1,890 HVAC techs in the Louisville/Jefferson County metro earn more than $28.33 an hour ($58,930 a year), in line with the Kentucky median. Shops here bill that hour at about $109 in our price model.
Source: BLS OEWS, May 2025; billable rate from the HVACFIND price model.
HVAC technician salary in Louisville/Jefferson County$28.33
Median hourly pay for HVAC technicians in Louisville/Jefferson County
Replace or install
New systems in Louisville/Jefferson County
Typical installed prices for a 1,500–2,500 sq ft home, with the range most quotes fall in.
- 3-ton home
- 1–2 days
- Permit
$4,600–$10,250 typical $6,850
- 3-ton home
- 1–2 days
- Permit
$6,850–$13,450 typical $9,600
- 3-ton home
- 1–2 days
- Permit
$3,650–$7,800 typical $5,300
- 3-ton home
- 1–2 days
- Permit
$8,400–$15,550 typical $11,450
- 3-ton home
- 1–2 days
- Permit
$3,950–$7,050 typical $5,300
Local factors
What moves the price in Louisville/Jefferson County
The same four facts on every place page, so two places read side by side compare the same rows.
Climate
Zone 4A
Heating degree days per year, 1991–2020 normals. More means a bigger heating load.
4,154
Freezing nights
Nights at 32°F or colder
A cold climate changes which heat pump you need.
81
Electricity
Louisville Gas & Electric Co
Residential rate. It sets what an efficient system saves you each year.
12.3¢
Permit
Required for a replacement
The contractor pulls it and books the inspection.
—
Repair and service
Repairs and tune-ups
Visit, diagnosis and the common repair, at local rates.
- Typical home
- Same day
- No permit
$310–$480 typical $380
- Typical home
- Same day
- No permit
$210–$550 typical $340
- Typical home
- Same day
- No permit
$320–$500 typical $400
- Typical home
- Same day
- No permit
$100–$230 typical $150
- Typical home
- Same day
- No permit
$350–$550 typical $430
Second opinion
Get one fair quote from a licensed local pro
Tell us the job and when suits you. We confirm by phone or text, then pass your request to one licensed contractor who covers your ZIP. Nobody else gets your number.
- We confirm the job before anyone calls you
- One contractor, never a bidding list
- License checked with the state
- Free for homeowners