Why a Refrigerant Leak Deserves Your Attention in Edgewood, TX
When your air conditioner slowly loses its ability to cool, the problem often traces back to a refrigerant leak hiding somewhere in the system. Refrigerant is not consumed like fuel. In a sealed system, the exact same charge should circulate for the life of the equipment. So when the charge drops, it means refrigerant is escaping through a crack, a corroded joint, a loose fitting, or a failing component. Simply adding more refrigerant without finding the source only masks the issue, and the system will lose charge again within weeks or months.
In Edgewood, TX, where summer temperatures push cooling equipment hard for months at a time, even a small leak compounds quickly. A system that runs low on refrigerant works harder, runs longer, and still fails to reach the temperature you set. At All-A-Round Air Conditioning, Heating & Refrigeration, LLC, we treat leak repairs as a diagnostic task first and a repair task second. Finding the exact point of loss is the difference between a lasting fix and a temporary patch that leaves you calling again before the season ends.
How We Find the Leak
Leaks rarely announce themselves. A pinhole in an evaporator coil or a slow seep at a brazed joint can release refrigerant so gradually that performance drops over weeks. Because of this, we rely on proven detection methods rather than guesswork. Our technicians combine visual inspection, electronic leak detectors, and pressure testing to narrow down the source before we open the system.
Electronic detectors sense refrigerant molecules in the air near suspected leak points, which helps us trace tiny releases that would otherwise go unnoticed. When a leak is suspected but hard to pinpoint, we use nitrogen pressure testing. Dry nitrogen is pumped into the isolated system at a controlled pressure, and we watch for pressure drops that reveal the location and severity of the leak. This method is especially useful because nitrogen is inert, moisture-free, and will not harm the components during testing.
In some cases, we introduce a fluorescent dye into the system. The dye travels with the refrigerant and collects at the leak point, where it glows under ultraviolet light. This technique shines when a leak is intermittent or located in a hard-to-reach area. By using the right detection method for each situation, we avoid cutting corners and give you an honest answer about what is wrong.
Common Sources of Refrigerant Leaks
Refrigerant can escape from many points in an HVAC system, and knowing where to look saves time and money. Over years of serving homes and businesses across the area, we see certain leak sources far more often than others. Understanding these helps you recognize the warning signs early.
- Evaporator coil corrosion: Formic acid, formed when indoor air pollutants react with moisture on the coil, slowly eats through the thin copper walls and creates pinhole leaks.
- Condenser coil damage: The outdoor unit is exposed to weather, debris, and physical impact, all of which can crack or puncture the coil over time.
- Loose or worn fittings: Vibration during normal operation gradually loosens flare connections and service valves, letting refrigerant seep out.
- Failed brazed joints: A joint that was never fully sealed during installation can fail years later as the metal expands and contracts.
- Schrader valve leaks: These small valves, used for charging and testing, can develop slow leaks when the internal seal wears out.
Each of these sources calls for a different repair approach. A worn Schrader valve may need only a quick replacement, while a corroded evaporator coil often requires full coil replacement because the damage is widespread and repairing one hole leaves the surrounding metal just as vulnerable. We explain exactly what we find and why a particular repair makes sense for your system, so you can make an informed decision.
What the Repair Process Looks Like
Once we locate the leak, the repair follows a careful sequence designed to protect your equipment and restore proper performance. Rushing any step risks introducing moisture or contaminants that shorten the life of your compressor, so we follow the same disciplined process on every job.
First, we recover the remaining refrigerant using approved recovery equipment. Venting refrigerant into the atmosphere is both illegal and harmful, so we capture it properly. Next, we isolate and repair or replace the failed component. For a leaking coil, that often means removing the old coil and brazing in a new one with clean, properly fluxed joints. For a fitting or valve, we replace the faulty part and torque it to specification.
After the physical repair, we pull a deep vacuum on the system using a micron gauge. This step removes air and moisture, which is critical because moisture inside a refrigerant system forms acids that corrode metal and damage the compressor from the inside. We hold the vacuum to confirm the repair holds and the system is dry. Only then do we recharge the system to the manufacturer’s specified weight, using a digital scale to measure the exact charge rather than guessing by pressure alone. Finally, we verify superheat and subcooling readings to confirm the system runs within its designed parameters.
Why Precise Charging Matters
An HVAC system performs best only when the refrigerant charge matches the manufacturer’s specification. Both undercharging and overcharging cause problems. A system low on refrigerant cannot absorb enough heat from your home, which leads to warm air at the vents, longer run times, and a frozen evaporator coil. A system with too much refrigerant can flood the compressor with liquid, which damages this expensive component over time.
At All-A-Round Air Conditioning, Heating & Refrigeration, LLC, we charge by weight and verify with superheat and subcooling measurements because these numbers tell us whether the refrigerant is doing its job correctly. A properly charged system cools faster, uses less energy, and lasts longer. This attention to detail reflects the standard we have held since All-A-Round Air Conditioning, Heating & Refrigeration, LLC was established in 2003 with the goal to deliver the best HVAC services to our customers.
Signs You May Have a Leak
Catching a leak early limits the damage and keeps repair costs manageable. Many homeowners wait until the system stops cooling entirely, but earlier warning signs give you a chance to act sooner.
- Weak cooling: The system runs but the air feels only slightly cool, especially during the hottest part of the day.
- Ice on the lines or coil: A low charge causes the evaporator to drop below freezing, which lets ice build up on the refrigerant lines or indoor coil.
- Hissing or bubbling sounds: A larger leak can produce an audible hiss near the lines or a bubbling sound inside the system.
- Rising energy bills: A struggling system runs longer to reach the set temperature, which shows up as higher electricity use.
- Repeated recharges: If a system needed refrigerant added last season and needs it again, there is almost certainly a leak.
Serving Edgewood and the Surrounding Communities
As your heating and cooling experts in Van Zandt County and the surrounding area, we bring trained technicians and honest workmanship to every leak repair call. We proudly serve Edgewood along with Wills Point, Terrell, Forney, Kaufman, and Canton, TX, and we handle leak repairs on residential systems, light commercial units, and refrigeration equipment alike. Keeping you comfortable all year round is what matters most to us, and a properly sealed, correctly charged system is the foundation of that comfort.
We have a team of well trained technicians and installers who go the extra mile and never cut corners to serve you. When your system loses its cooling and you suspect a refrigerant leak, we want to be the first company you call. We treat you like family, because we believe valuable people like you make All-A-Round Air Conditioning, Heating & Refrigeration, LLC one of the most trusted service companies in our area. Reach out today to schedule your leak repair and get your system running the way it should.
