AC Replacement Cost in Maryland
$3,850 – $9,200We estimate AC replacement in Maryland at $3,850 to $9,200 for a central AC outdoor unit and matching coil on existing ductwork. The national estimate is $3,800 to $9,050. Maryland HVAC technician pay is 15% above the national median, ranking 13 of 51.
| Part of the job | Low | High |
|---|---|---|
| Parts and materials (our assumption) | $3,500 | $8,000 |
| Labor hours (our assumption) | 4 | 8 |
| Billed labor rate per hour | $84 | $152 |
| Estimated total | $3,850 | $9,200 |
Our estimate, not a quote. Billed rate is the Maryland median wage from BLS (2025, $33.67 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate
What our assumptions are based on
| Item | Sourced figure | Basis | Source |
|---|---|---|---|
| Parts | $2,555 – $3,550 | Budget Heating listed prices for 3-ton split systems with a condenser and air handler, not a condenser and coil. Two models listed: $2,555 and $3,550 (the second, a wall-mount apartment type, also on sale at $2,630). | Budget Heating |
| Labor hours | 4 – 8 | 4 to 8 hours for a typical AC replacement (Today's Homeowner). Bob Vila says about 3 to 5 days for a full system replacement. | Today's Homeowner |
What other publishers report
| Publisher | Low | High | Scope |
|---|---|---|---|
| This Old House | $4,000 | $8,000 | Central AC installed, excluding ductwork. Page dated June 2026. |
| Today's Homeowner | $5,000 | $14,000 | Central AC installed. Page dated March 2025. |
| Bob Vila | $3,900 | $7,900 | Central AC installed. Page dated April 2024. |
Cities in Maryland
| Metro area | Median wage | Low | High |
|---|---|---|---|
| Baltimore | $30.38 | $3,800 | $9,100 |
Who can legally do this in Maryland
The Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors licenses HVACR contractors.
Check a license with Maryland Home Improvement Commission license search
Compared with neighboring states
| State | Median wage | Low | High |
|---|---|---|---|
| Delaware | $29.96 | $3,800 | $9,100 |
| District of Columbia | $40.57 | $3,900 | $9,450 |
| Pennsylvania | $30.00 | $3,800 | $9,100 |
| Virginia | $28.72 | $3,800 | $9,050 |
| West Virginia | $23.49 | $3,750 | $8,850 |
Other HVAC technician jobs in Maryland
AC Replacement cost in every state · Maryland home repair guide
Sources
General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.