How much does evaporator coil replacement cost in Dallas?

Most Dallas homeowners pay $1,100 to $2,600 for evaporator coil replacement. The indoor coil that absorbs heat from your air. Leaks here are the usual reason a system keeps losing refrigerant.

How long should this last in Dallas?

10 to 15 years is the usual range, and Dallas systems land in the lower half of it because equipment here runs far more hours per year than the national average.

Do I need a permit for this work?

Permit rules are set by the local jurisdiction rather than the state, so they differ across Texas. We publish the rule for Dallas on this page once we have confirmed it directly with the permitting authority.

Evaporator Coil Replacement Cost in Dallas

Last updated 2026-08-31

Estimate for your Dallas home

Home size

sq ft

Year the system was installedNot sure? The year the house was built is usually close, and for an original system it is the same answer.

Evaporator Coil Replacement in Dallas

$1,100 to $2,600

Evaporator Coil Replacement in Dallas, part and labor
Larger systems cost more here, and yours estimates to about 3 tons
At 15 years old, this repair is worth weighing against replacing the system

This is an estimate, not a quote. Correct sizing comes from a Manual J load calculation that accounts for your insulation, windows and orientation. Ask any contractor for theirs in writing.

The short answer

Evaporator Coil Replacement in Dallas usually runs $1,100 to $2,600. The indoor coil that absorbs heat from your air. Leaks here are the usual reason a system keeps losing refrigerant.

What drives the price here

Your system runs far more than the national average

This is the single biggest reason national cost guides mislead Dallas homeowners. Cooling season here runs most of the year, and a system accumulates compressor hours at a pace that national lifespan figures were never built around. The practical effect is that equipment reaching its mid teens in Dallas is closer to the end of its usable life than the same equipment would be in a milder climate, and the repair-versus-replace math tips earlier as a result.

Sizing is a calculation, not a rule of thumb

Dallas sits in climate zone 3A, hot enough that undersizing shows up immediately in August and humid enough that oversizing shows up as a house that feels cool and damp. Correct sizing comes from a Manual J load calculation accounting for insulation, window area and orientation, not from square footage alone. Ask for it in writing.

Incentives do not apply to this job

Worth saying plainly rather than leaving vague: Oncor rebates and federal credits are aimed at whole systems and high efficiency equipment, not at component repairs. A evaporator coil replacement on its own does not qualify for anything. If the same visit turns into a full replacement, that changes, and it is worth asking before the work is scheduled rather than after.

When the equipment in this market was installed

Older core than the other four metros, with a large 1960s-1980s stock where original gas furnaces are long past replacement and the heating side of the decision actually matters. That matters for a practical reason: systems installed with a house tend to fail on a similar schedule across a neighborhood, so an unusually busy season for contractors in one part of Dallas is often a whole subdivision reaching end of life at once. It also affects wait times, since the same weeks are busy for everyone.

How to check a quote before you sign

Verify the license. Air conditioning contractors in Texas are licensed by the Texas Department of Licensing and Regulation. Ask for the ACR license number and confirm it is active and held by the company, not borrowed from someone who no longer works there.
Ask for the Manual J. In writing. If the tonnage came from square footage alone, the sizing is a guess.
Confirm the permit is included in the price and pulled by the contractor.
Check the coil and condenser are a matched set. Replacing only the outdoor unit leaves a mismatched system that underperforms its rating and can void the warranty.
Get the model numbers and confirm the efficiency rating yourself rather than taking the figure on the proposal at face value.
Get more than one quote. Spread on this work is wide, and the second quote is the cheapest information you will ever buy.

Is it worth fixing?

If the system is more than about a dozen years old, this repair is really a question about the whole system rather than the part. The next failure is rarely far behind, and money spent here does not come off the price of the replacement later.

Put your repair quote through the repair-or-replace calculator and it will reuse the home details you entered above.

Common questions

How much does evaporator coil replacement cost in Dallas?: Most Dallas homeowners pay $1,100 to $2,600 for evaporator coil replacement. The indoor coil that absorbs heat from your air. Leaks here are the usual reason a system keeps losing refrigerant.
How long should this last in Dallas?: 10 to 15 years is the usual range, and Dallas systems land in the lower half of it because equipment here runs far more hours per year than the national average.
Do I need a permit for this work?: Permit rules are set by the local jurisdiction rather than the state, so they differ across Texas. We publish the rule for Dallas on this page once we have confirmed it directly with the permitting authority.

Other work in Dallas

Texas AC Guide is not a contractor and does not perform HVAC work. Cost figures are estimates based on typical Dallas installations and are not a quote.