AC replacement
$7,100
Typical for a 1,500–2,500 sq ft home. Most jobs run $4,750–$10,600.
All of Maryland
Maryland
HVAC prices in Baltimore
$7,100
AC replacement typical, 1,500–2,500 sq ft
1976
Median home built Census ACS
Most AC replacement quotes here land between $4,750 and $10,600. Every figure is local: wages, prices, climate and permits for the Baltimore-Columbia-Towson, MD metro area.
The median home here was built in 1976; 46% heat with gas and 42% with electricity (Census ACS). Photo: Styves Exantus on Pexels.
Check a quote hereThe numbers here
What HVAC costs in Baltimore, in four figures
Prices, wages and weather for this metro, against the other metros in the state.
HVAC technician wage
$30/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
36≥90°F
1,512 cooling and 4,199 heating degree days in a normal year, 1991–2020 (NOAA).
HVAC companies
982
8.8 for every 10,000 homes (Census County Business Patterns). More competition tends to mean tighter quotes.
HVAC technician pay
Half the 3,960 HVAC techs in the Baltimore-Columbia-Towson metro earn more than $30.38 an hour ($63,180 a year), 10% below the Maryland median. Shops here bill that hour at about $117 in our price model.
Source: BLS OEWS, May 2025; billable rate from the HVACFIND price model.
HVAC technician salary in Baltimore$30.38
Median hourly pay for HVAC technicians in Baltimore
Replace or install
New systems in Baltimore
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
$4,750–$10,600 typical $7,100
- 3-ton home
- 1–2 days
- Permit
$7,000–$13,900 typical $9,850
- 3-ton home
- 1–2 days
- Permit
$3,700–$8,100 typical $5,500
- 3-ton home
- 1–2 days
- Permit
$8,650–$16,050 typical $11,800
- 3-ton home
- 1–2 days
- Permit
$4,100–$7,300 typical $5,450
Local factors
What moves the price in Baltimore
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.
4,199
Freezing nights
Nights at 32°F or colder
A cold climate changes which heat pump you need.
70
Electricity
Baltimore Gas & Electric Co
Residential rate. It sets what an efficient system saves you each year.
17.9¢
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
$330–$510 typical $410
- Typical home
- Same day
- No permit
$230–$590 typical $370
- Typical home
- Same day
- No permit
$350–$540 typical $430
- Typical home
- Same day
- No permit
$110–$250 typical $170
- Typical home
- Same day
- No permit
$370–$590 typical $470
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