Evaporator Coil Replacement Cost Calculator
This free evaporator coil replacement cost calculator gives you a planning estimate for replacing a leaking, frozen or corroded coil in your AC or heat pump. Choose the indoor evaporator coil, the outdoor condenser coil or both, then set the system size, coil material, refrigerant type and install conditions. You will see a cost breakdown with Budget, Standard and Premium project levels in about two minutes.
Estimate My Evaporator Coil Replacement Cost
Calculator number: 079 of 401. Main service: HVAC. Sub-service: Evaporator Coil Replacement.
Calculator Introduction
Answer a few quick questions about your coil replacement and the calculator estimates your cost in four steps: Location & Coil Type, Refrigerant & Install, Options and Labor Market & Timing. A ZIP code is required so we can match your request with local licensed professionals. It does not change the price. Only the questions that matter for your project are shown, and every setting has a sensible default, so you can get a first estimate in under a minute and then fine-tune.
Loading the calculator…
This calculator provides a planning estimate only. It is not a quote, bid or guaranteed price. Actual contractor pricing may vary based on location, system condition, coil model, refrigerant type and labor market. The coil must match your system. On older or R-22 systems, a full replacement may cost less than it appears here. Rebates and finish work are not included.
Request Quotes from Licensed HVAC Contractors
After you calculate your estimate, use the form below the calculator to request quotes from licensed HVAC contractors. Photos of the coil or air handler data label, the outdoor unit label and any frost or water leaks help contractors quote more accurately.
Lead form placeholder: the universal lead form shortcode was supplied only as , with no numeric form ID, so no form ID has been invented. Once the correct form ID is supplied, this section should carry the shortcode with the CSS class oe-lead-form. Visible fields: full_name, email, phone, zip_code, project_notes, contact_consent. Hidden fields: calculator_name, service, sub_service, estimate_low, estimate_standard, estimate_premium, material_cost, labor_cost, removal_cost, disposal_cost, permit_cost, equipment_cost, additional_cost, calculator_inputs, page_url.
Result Explanation
Your result shows an Estimated Project Budget, which is the Standard estimate, together with a typical range from Budget to Premium.
Standard planning figure — 3-ton aluminium evaporator coil, R-410A, flushed line set, basement or utility-room install, average labour market
$1,985
Budget $1,175 | Premium $3,330
Budget
$1,175
Assumes a basic coil and lean labor.
Standard
$1,985
Assumes a mid-grade coil, quality fittings and refrigerant and a licensed technician at typical rates. This is the best number to plan around.
Premium
$3,330
Assumes a premium coil, higher-grade parts and premium service.
Below the headline number you will see a category breakdown, a line-item table for all three project levels, and a tip based on your selections. Results update automatically if you change an input after calculating.
Cost Breakdown Explanation
The breakdown only shows categories that apply to your project, so you will not see empty $0 rows.
Materials
The coil, refrigerant, a filter drier and fittings, a line set or flush when applicable and any extras you select.
Labor
Technician time for the coil swap, evacuation and startup, plus the service call and diagnostic fee.
Removal & Disposal
Recovery of the refrigerant and removal of the old coil, plus recycling.
Equipment & Specialty
A vacuum pump, nitrogen and leak-test equipment.
Additional Costs
An urgent or after-hours service premium, when selected.
Not Included
Rebates and finish work are not included.
How Much Does Evaporator Coil Replacement Cost?
Evaporator coil replacement typically costs about $2,000 at the Standard level for a 3-ton aluminum coil on an R-410A system, and about $1,200 to $3,300 across the Budget to Premium range. Replacing the condenser coil costs more, and replacing both costs more again.
Planning figures for a 3-ton system, an aluminum coil, R-410A refrigerant, a flushed existing line set, a basement or utility-room install, removal of the old coil and an average labor market:
| Coil replacement | Budget | Standard | Premium |
|---|---|---|---|
| Evaporator coil (indoor) | $1,175 | $1,985 | $3,330 |
| Condenser coil (outdoor) | $1,420 | $2,375 | $4,015 |
| Both coils | $2,110 | $3,500 | $5,845 |
Change any input and the numbers update, because the calculator prices the coil, refrigerant, labor, removal and testing equipment separately.
How This Evaporator Coil Replacement Calculator Works
- Choose the coil. Pick the indoor evaporator coil, the outdoor condenser coil or both.
- Choose size and material. Select your home size and the coil material.
- Describe the system. Tell us the refrigerant type, whether the line set is reused and where the coil is.
- Pick options. Select any extras you want, such as a secondary drain pan.
- Set your labor market and timing. Choose the market that matches your area and whether the work is urgent.
The calculator then prices parts and labor at planning rates and shows three project levels. Your ZIP code is used to match your request with local HVAC contractors. It does not change the price.
What Affects Evaporator Coil Replacement Costs?
Which coil
The evaporator coil is the indoor coil. It sits in the air handler or on top of the furnace, and it absorbs heat from the air. The condenser coil is the outdoor coil. It releases heat to the outside air. The evaporator coil usually fails from corrosion, and the condenser coil fails from corrosion, hail or leaks. Replacing both as a matched set shares one service call and one evacuation.
Related: Air Handler Replacement Cost Calculator. AC compressor replacement: link not yet verified (see Related Calculators below).
System size
The calculator maps your home size to about 1.5 to 5 tons. For an evaporator coil at the Standard level, the estimate is about $1,705 for 1.5 tons, about $1,800 for 2 tons, about $1,985 for 3 tons, about $2,170 for 4 tons and about $2,355 for 5 tons. The new coil must match the size and model of your system.
Coil material
An aluminum coil is the standard choice. A copper coil raises the Standard evaporator estimate to about $2,240. A coated or all-copper coil raises it to about $2,455. Copper and coated coils resist the corrosion that causes small leaks in aluminum.
Refrigerant type
R-410A is the default. R-22 is an older refrigerant that is phased out, and it is costly to recharge. An R-22 system raises the Standard evaporator estimate to about $2,850. On an R-22 system, a full replacement may cost little more than a coil, so ask for both prices.
Line set
The calculator reuses and flushes the existing line set by default, which works only when the lines are clean and the right size. A new line set raises the Standard evaporator estimate to about $2,515.
Location and access
An indoor coil in a basement or utility room is the easy case. A closet or crawl space takes more time, and an attic is the hardest. An attic install raises the Standard evaporator estimate to about $2,120. A tight outdoor location raises the Standard condenser estimate to about $2,455.
Warranty
If the coil is covered by a manufacturer warranty, the coil cost is removed, but you still pay for labor, refrigerant and the service call. Selecting this lowers the Standard evaporator estimate to about $1,260.
Options
Options include a secondary drain pan with a float switch, a UV light at the coil, a sheet metal plenum change, outdoor unit cleaning, a surge protector and a new air filter. A secondary pan raises the Standard evaporator estimate to about $2,370, and a UV light raises it to about $2,655. Options appear only when they apply.
Related: HVAC Duct Cleaning Cost Calculator.
Removal and disposal
The old coil must be removed, and the refrigerant has to be recovered by a certified technician. The calculator includes removal, recovery and disposal as separate lines, along with the vacuum pump and nitrogen equipment used to test the new coil for leaks.
Urgency
Urgent and after-hours calls carry a premium. The calculator adds 15% to labor for work within about 48 hours and 40% for emergencies. An emergency call raises the Standard evaporator estimate from about $1,985 to about $2,235.
Budget vs Standard vs Premium Evaporator Coil Replacement
The three project levels reflect real differences, not a simple multiplier:
| Project level | What it assumes |
|---|---|
| Budget | A basic coil, a leaner labor rate and fewer labor hours. |
| Standard | A mid-grade coil, quality fittings and refrigerant and a licensed technician at typical rates. |
| Premium | A premium coil, higher-grade parts, more thorough testing and premium service rates. |
Use Standard as your main planning number, and the Budget-to-Premium range to see how much your choices can swing the result.
Repair vs Replace
A small coil leak can sometimes be patched, but patches often fail. Replacement can make sense when the coil is leaking, frozen or corroded and the system is otherwise in good shape. On an older system, or one that uses R-22, compare the coil price with the price of a new system. Use the AC replacement calculator to compare.
Related: AC Replacement Cost Calculator and AC Repair Cost Calculator.
Regional Pricing Differences
HVAC labor rates vary across the country. Rather than guess from your ZIP code, the calculator lets you choose a labor market, from lower-cost areas to the highest-cost metro areas, and applies it to labor and removal. A highest-cost market raises the Standard evaporator estimate from about $1,985 to about $2,275. Parts and refrigerant are not adjusted.
DIY vs Hiring a Licensed HVAC Contractor
Replacing a coil is not a DIY project. It involves recovering and handling refrigerant, which requires certification, brazing the lines, evacuating and charging the system and testing for leaks. Most areas require a licensed technician. A poor install can lead to repeat leaks and a damaged compressor.
Questions to Ask HVAC Contractors
- Did you find the leak, and are you sure the coil is the failed part?
- Is the new coil an exact match for my outdoor unit?
- What is the coil material, and what is the warranty on the part and the labor?
- Does the quote include refrigerant, a new filter drier, a leak test and a vacuum?
- Is the system on R-22, and would a new system cost much more?
- Who recovers the refrigerant, and is the technician certified to handle it?
How to Avoid Unexpected Evaporator Coil Costs
- Confirm the leak source before you pay for a coil. A leak test is a small cost.
- Ask for matched model numbers for the coil and the outdoor unit.
- Check the warranty. Many coils are covered for several years.
- Ask for a written scope that lists the coil, refrigerant, labor and testing.
- Change the filter regularly. A dirty filter can freeze a coil.
HVAC maintenance: link not yet verified (see Related Calculators below).
Ready for a Real Quote?
Use the estimate above as your planning budget, then request quotes from licensed HVAC contractors using the form below the calculator. Photos of the coil or air handler data label, the outdoor unit label and any frost or water leaks help contractors quote more accurately.
Quick Answers About Evaporator Coil Replacement Costs
How much does evaporator coil replacement cost?
Evaporator coil replacement commonly costs about $2,000 at the Standard level for a 3-ton aluminum coil on an R-410A system, and about $1,200 to $3,300 across the Budget to Premium range.
What does an evaporator coil do?
The evaporator coil is the indoor coil of an air conditioner or heat pump. Cold refrigerant flows through it and absorbs heat and moisture from the air that passes over it.
Why do evaporator coils leak?
Evaporator coils most often leak from corrosion that forms pinhole leaks in the metal, from vibration and from poor installation. Aluminum coils are more prone to this than copper coils.
How much does a copper coil add?
In this calculator, a copper coil raises the Standard evaporator estimate from about $1,985 to about $2,240, an increase of roughly $255.
What is the biggest cost driver in coil replacement?
The system size and the coil choice are the biggest drivers, followed by the refrigerant type, the line set and how easy the coil is to reach.
Evaporator Coil Replacement Cost FAQs
How much does evaporator coil replacement cost?
In this calculator, a Standard estimate for replacing a 3-ton evaporator coil with an aluminum coil on an R-410A system is about $1,985, with a Budget to Premium range of roughly $1,175 to $3,330. The estimate includes a service call, refrigerant recharge, a new filter drier, removal of the old coil and testing.
How much does a condenser coil replacement cost?
A condenser coil, which is the outdoor coil, costs about $2,375 at the Standard level for a 3-ton system, with a range of about $1,420 to $4,015. Replacing both coils as a matched set costs about $3,500, which is less than the sum of the two because they share one service call.
How much does coil size change the cost?
Size changes the price. For an evaporator coil at the Standard level, a 1.5-ton coil for a home up to 1,000 square feet costs about $1,705, a 2-ton coil about $1,800, a 4-ton coil about $2,170 and a 5-ton coil about $2,355.
Is a copper coil worth the extra cost?
A copper coil raises the Standard evaporator estimate from about $1,985 to about $2,240. Aluminum coils can develop tiny leaks from corrosion, which is a common reason for coil failure. A copper or coated coil resists corrosion better and suits coastal or harsh air.
How much does R-22 refrigerant add?
R-22 is an older refrigerant that is phased out and costly. For an evaporator coil at the Standard level, an R-22 system raises the estimate from about $1,985 to about $2,850. On an R-22 system, a full replacement may be a better use of money.
Does the coil cost less if it is under warranty?
Yes. If the coil is covered by a manufacturer warranty, the coil cost is removed, and the Standard evaporator estimate falls from about $1,985 to about $1,260. You still pay for labor, refrigerant and the service call.
How much does a new line set or a UV light add?
A new refrigerant line set raises the Standard evaporator estimate to about $2,515. A UV light at the coil raises it to about $2,655, and a secondary drain pan with a float switch raises it to about $2,370.
Should I replace the coil or the whole system?
It depends on the age and the refrigerant. A coil replacement on a system under about 10 years old is often worth it. On an older system, or one that uses R-22, a new system may cost little more than a coil, and it comes with a new warranty. Ask for both prices.
Related Calculators
Air Handler Replacement Cost Calculator
Price an air handler replacement.
AC Replacement Cost Calculator
Compare a new system with a coil replacement.
AC Repair Cost Calculator
Price an AC repair before replacing a coil.
HVAC Duct Cleaning Cost Calculator
Price duct cleaning for your HVAC system.
HVAC Replacement Cost Calculator
Price a full HVAC replacement.
AC Compressor Replacement Cost Calculator
Link not yet verified — this calculator page was not live when checked, so it is not linked.
HVAC Maintenance Cost Calculator
Link not yet verified — this calculator page was not live when checked, so it is not linked.
HVAC System Size Calculator
Link not yet verified — this calculator page was not live when checked, so it is not linked.
Placeholders on this page: Fluent Form ID; CTA MyListing URL; the three related calculator URLs above; HVAC Calculators Hub URL; HVAC Cost Guide URL; Find HVAC Contractors URL; images (see below); focus keyword (none supplied).
Ready to Plan Your Evaporator Coil Replacement Project?
Use the estimate above as your planning budget, then request quotes from licensed HVAC contractors using the form below the calculator. Photos of the coil or air handler data label, the outdoor unit label and any frost or water leaks help contractors quote more accurately.
Find HVAC contractors near you
Interim link: this button links to the on-page lead-form section, because no MyListing category URL was supplied.
Images
No images were supplied for this page, and none were uploaded or invented. Suggested images, by alt text, are: “Evaporator coil inside a cased coil on top of a furnace” (under the hero); “Frozen evaporator coil with ice on the fins” (Which coil); “Corroded aluminum evaporator coil with oil stains at a leak” (Coil material); “HVAC technician brazing a new coil into refrigerant lines” (Line set); “Outdoor condenser coil with bent fins” (Which coil); and “Evaporator and condenser coil replacement cost infographic” (How much does evaporator coil replacement cost?).
This calculator provides a planning estimate only. It is not a quote, bid or guaranteed price. Actual contractor pricing may vary based on location, system condition, coil model, refrigerant type and labor market. The coil must match your system. On older or R-22 systems, a full replacement may cost less than it appears here. Rebates and finish work are not included.