AC Replacement Cost in Connecticut
$3,850 – $9,350We estimate AC replacement in Connecticut at $3,850 to $9,350 for a central AC outdoor unit and matching coil on existing ductwork. The national estimate is $3,800 to $9,050. Connecticut HVAC technician pay is 26% above the national median, ranking 5 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 | $92 | $166 |
| Estimated total | $3,850 | $9,350 |
Our estimate, not a quote. Billed rate is the Connecticut median wage from BLS (2025, $36.83 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. |
Who can legally do this in Connecticut
People doing HVAC and heating work must have the appropriate Connecticut license, in addition to any home improvement registration.
Check a license with Connecticut eLicense License Lookup
Compared with neighboring states
| State | Median wage | Low | High |
|---|---|---|---|
| Massachusetts | $37.16 | $3,850 | $9,350 |
| New York | $35.78 | $3,850 | $9,300 |
| Rhode Island | $32.39 | $3,800 | $9,150 |
Other HVAC technician jobs in Connecticut
AC Replacement cost in every state · Connecticut 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.