Understanding the cost to repair leaking AC unit is the first step to prepare yourself for summer in Houston, TX. Nothing disrupts summer comfort quite like discovering your house air conditioner is not cooling properly. When temperatures climb and your AC struggles to keep up, a refrigerant leak is often the culprit. Learning about the costs can help you make informed decisions about repairing or replacing your system.
Repairing these leaks is crucial for efficiency and avoiding higher bills. For 2026, homeowners should anticipate and prepare for slightly increased costs due to rising material and labor rates, especially given the upcoming refrigerant phase-out deadlines.
Cost Snapshot: AC Leak Repair Price Range
For a homeowner in the Houston area, the general range for AC leak repairs is $300–$2,000, with an average around $850 for refrigerant leaks.
| Repair Severity | Typical 2026 Price Range | Key Components |
| Minor (Water/Drain) | $100–$350 | Drain line cleaning, patch/replacement |
| Medium (Refrigerant) | $450–$950 | Leak detection, sealant application, and minor refrigerant recharge |
| Major (Component) | $950–$3,000+ | Evaporator or condenser coil replacement, major line replacement |
Full 2026 Cost Breakdown By Component & Repair Type
An AC leak can significantly impact your cooling system’s efficiency and lead to higher AC repair service bills. Repairing these leaks is crucial, and understanding the associated costs in 2026 can help homeowners in Houston, TX, prepare.
1. Diagnostic/Service Call Fee
- Cost: $75–$300.
- Note: This fee is often applied towards the total repair cost if you proceed with the AC repair or replacement service through 24SevenAC.
2. Leak Detection Methods & Costs
The complexity of finding the leak often dictates the initial cost.
- Bubble test: $15-$25 (Simple, low-cost)
- Dye detection: $50-$350 (Good for slow, hard-to-find leaks)
- Torch/Electronic/Ultrasonic detection: $150-$1,500 (For more complex or internal leaks)
- Nitrogen detection: $350-$550 (Used to pressurize and isolate the leak)
3. Refrigerant Recharge Cost (Per Pound)
The cost and availability of refrigerant are major factors in the total cost to repair a leaking AC unit.
| Refrigerant Type | 2026 Estimated Cost/lb | Status & Implications |
| R-410A (Current Standard) | $60–$100/lb | It is being phased out starting in 2025. Costs may fluctuate sharply. |
| R-32 (Newer, Replacement) | $15–$30/lb | The future standard. Still relatively new but becoming more common and affordable. |
| R-22 (Older, Phased Out) | $120–$200+/lb | Very expensive and difficult to find due to its phase-out. Repair often justifies replacement. |

4. Specific Component Repair or Replacement
| Component Replacement | 2026 Estimated Cost Range | Rationale for Cost |
| Evaporator Coil Replacement | $700–$3,000 | Costs vary by unit size and coil type. |
| Condenser Coil Replacement | $1,000–$4,500 | Sometimes involves the full replacement of the unit’s outdoor section. |
| Refrigerant Line Repair/Replacement | $250–$800 | Requires vacuuming and recharging the system after the line is fixed. |
| Drain Pan/Line Repair | $75–$850 | Low-cost for cleaning/patching, higher for full pump/pan replacement. |
Know more about our AC repair services now!
Factors That Affect AC Leak Repair Costs
An AC leak is one of the Common AC Problems, and its repair cost can vary significantly based on several factors. Understanding these influences can help you anticipate potential expenses and make informed decisions regarding your AC unit’s maintenance.

Here are the key factors that influence your AC leak repair cost and the location of the leak.
1. Leak Accessibility and Severity: The accessibility of the leak plays a crucial role; easy-to-reach leaks will incur lower labor costs compared to hidden or internal leaks requiring more extensive dismantling. Minor leaks are generally less expensive to fix than severe ones.
2. Type and Cost of Refrigerant Needed: The cost and availability of refrigerants like R-22 (phased out, expensive), R-410A (current standard, being phased out), and R-32 (newer, more affordable) significantly impact the overall cost. The amount of refrigerant needed, based on your system’s tonnage, will also affect the price.
3. Labor Costs and Geographic Location: Hourly rates for technicians typically range from $100 to $250/hour. Service call fees are usually charged. Emergency service rates are higher than standard service. Costs can vary significantly by region (e.g., Houston, TX, might have different rates than smaller surrounding towns).
4. Age and Condition of Your AC Unit: Older units often incur higher repair costs due to part availability issues and overall wear and tear.
5. Warranty Coverage: When considering the cost to repair a leaking AC unit, it’s crucial to check your warranty before repairs, as it might cover parts, labor, or both, significantly reducing your out-of-pocket expenses.

Repair or Replace? How to Make the Smart Choice
This is the million-dollar question. Should you go for a repair of the leaking AC or take a loss and spend that money on a brand-new system? Unfortunately, this decision is a junction that most homeowners are bound to reach at some point. Let’s examine with a 24SevenAC expert what will help you make the decision and help you replace or repair your AC.
When a Leaking AC is Just a Minor Fix
At times, a leak is not the end of the world for your AC! If your unit is less than 10 years old and the repair is cheap, repair it every time!
- Clogged Drain Line: This is a common problem and usually can be unblocked in minutes with a professional AC maintenance service. It is a manageable issue that does not signify a larger problem.
- Loose/Corroded Connectors: In some cases, simply tightening or creating a seal on a connection can resolve the problem. This is a low-cost, high-value fix that is more desirable than having your system completed.
- Minor Drain Pan Crack: If it is small, the simple remedy would be a patch or replacement, saving you thousands of dollars from a new system.
These are the moments where the cost to repair a leaking AC unit makes sense financially. You are repairing a minor problem and getting many more years out of your current unit; this is the difference between the 24SevenAC team and others in diagnosis and deciding what is perfect for your case.
When to Consider a Full System Replacement
Some leaks can give you the idea that your AC has bitten the dust. A professional will help you determine this, but here are some indications that it is time to get a new one:
- The $5000 Rule: A go-to rule of thumb in the HVAC world is the “$5000 Rule.” To use it, take the number of years old the unit is and multiply that by the estimated AC freon leak repair cost. If you calculate more than $5000, you should think long and hard before you put more money into that unit. For example, if your unit is 12 years old and needs a $600 cost to repair a leaking AC (12 x $600 = $7200), you are risking that much on a unit that is considered for your system.
- Age of the Unit: Most air conditioning units will last 12-15 years. If it is older than that, or you are getting close to that, then a major leak in your AC may be a great signal of systemic failure. It is often just bad money on top of good money to put a lot of money into an old system.
- Repairs & Repairs: Have you had to call for repairs multiple times over the last couple of YEARS? If your AC is living in your repair world and is a regular customer, it is a good indication that something is wearing out.
- Outdated Refrigerant Type: If you have an R-22 (Freon) system, you may want to replace it. R-22 is being phased out. The cost to repair an AC leaking an R-22 system is extremely high due to the rarity of the refrigerant.
AC Capacitor Faulty? Don’t risk DIY! Get safe, expert replacement. Contact 24sevenAC technicians today for swift cool air!
Get a Transparent Quote from 24sevenac, a Local Texas HVAC Pro
Deciding to pay the cost to repair the AC or replace it is sometimes overwhelming. You should have an expert opinion you trust, not an experience with aggressive salesmanship. That’s where we come in at 24sevenac. We are a Texas-owned and operated HVAC company. We live in the communities we serve.
We focus on:
- Doing the right thing for the customer.
- Honest pricing.
- Honest diagnostics.

The Easy Way to Get a Quote You Can Trust
We understand that you’re in a tough spot. We want to make it as easy as possible for you. Here are some ways you can receive a cost to repair AC leaking quote from us:
- Contact Us: Call us or fill out an online form to book an appointment, and we will have a certified technician at your home quickly.
- Professional Diagnosis: Our technicians are experts and will perform a thorough inspection and clearly explain what exactly is wrong with your system.
- Transparent Pricing: You will receive your price to repair or fix your system upfront before any repairs are made, and it will be clear. We believe in no-surprise pricing.
We value transparency and providing quality service, which is what sets us apart. We’re not just fixing your AC; we’re developing a relationship based on trust. Don’t let a leaking AC leave you with a puddle of stress.
