Important: Refrigerant work is EPA regulated. ProAir Georgetown technicians hold current EPA Section 608 Universal certification. We recover, recycle, and recharge refrigerant according to federal regulations and never vent refrigerants to atmosphere.
Refrigerant Leak Detection & Testing
Professional leak detection using electronic sniffers and UV dye. Find leaks before recharging, or recharge just moves the problem.
High-sensitivity electronic leak detectors locate small leaks in coils, line sets, and fittings that visual inspection misses.
UV dye injection and black light inspection, effective for finding intermittent or slow leaks that evade electronic detection.
Pressure test refrigerant circuits with dry nitrogen to verify leak-free condition before charging new refrigerant.
Refrigerant Service & Recovery
Proper refrigerant recharge, measured by subcooling and superheat, not just pressure gauges. We charge to manufacturer spec.
EPA-compliant refrigerant recovery before any system work requiring circuit opening.
Deep vacuum pull to remove moisture and non-condensables before refrigerant charge, critical for system longevity.
Extended deep vacuum to achieve proper micron levels, we don't rush this step that protects compressor life.
Convert systems from discontinued refrigerants to approved drop-in or replacement refrigerants.
Line Set Service & Repair
Flush contaminated line sets during compressor replacement to prevent new compressor failure from acid or debris.
Professional braze repair of pinhole leaks and joint failures in copper refrigerant lines.
Repair damaged liquid line sections including crimps, kinks, and corrosion failures.
Replace deteriorated suction line insulation, critical for efficiency and preventing condensation in Georgetown's humid summers.
Seal wall and foundation penetrations around line sets to prevent pest entry and air infiltration.
Install locking valve caps to prevent refrigerant theft and unauthorized access to Schrader valves.
Cooling Circuit Components
Replace leaking Schrader valve cores, a small but common source of refrigerant loss over time.
Install or replace liquid line filter driers, required after any system opening to remove moisture and acid.
Replace leaking or damaged service valves on compressors and line set connections.
Replace failed accumulators that protect compressors from liquid refrigerant slugging.
Replace failed thermostatic expansion valves, a hunting or stuck TXV causes refrigerant distribution problems and efficiency loss.
Repair or replace discharge line mufflers that reduce compressor noise and vibration.
Evaporator & Condenser Coil Service
Clean, inspect, and service evaporator coils, dirty coils are a leading cause of reduced cooling capacity in Georgetown homes.
Replace failed or leaking evaporator coils, including proper refrigerant recovery, installation, and recharge.
Straighten bent evaporator fins to restore full airflow through the coil and recover lost capacity.
Clean condenser coils fouled by Georgetown's cottonwood, dust, and debris, critical for summer efficiency.
Repair pinhole leaks and minor damage in condenser coils when full replacement isn't required.
Deep acid wash for severely fouled condenser coils, removes mineral scale, oxidation, and embedded debris.
Address the root cause of a frozen evaporator coil, low refrigerant or restricted airflow. We fix the cause, not just defrost.
Diagnose and repair the refrigerant or airflow condition causing ice formation on copper suction lines.
Finding Leaks That Hide From Standard Detection
UV dye leak testing works by introducing a small, refrigerant-compatible fluorescent dye into the system's refrigerant charge, either during the original refrigerant fill or added separately through a service port using a dedicated injector. The dye circulates through the entire refrigerant circuit along with the oil and refrigerant, and wherever a leak exists, however small, a trace amount of that dye escapes along with the refrigerant and leaves a visible residue at the leak point. Under a UV black light, that residue fluoresces brightly, often visible even in a leak location too small or too well-hidden for electronic detection to reliably pinpoint.
This method is particularly valuable for intermittent leaks, ones that only appear under specific conditions, such as a joint that only leaks once the system reaches full operating pressure and temperature during peak summer load, but seals up again once the system cools and pressure drops. Electronic detection performed on a system that isn't currently leaking, because it's not under the specific pressure and thermal conditions that cause the leak, can come back clean even though a real problem exists, while dye that circulated during a period of active leaking leaves physical evidence that remains visible regardless of the system's current operating state when we come back to inspect with the black light.
The tradeoff is time. Dye needs to fully circulate through the system to reach the leak site, which typically means running the system normally for at least a full day, sometimes longer for a very slow leak, before a follow-up inspection makes sense. We inject dye, note the amount for future reference since some systems accumulate dye over multiple services and we want to distinguish new leak evidence from old, and schedule the follow-up visit with enough run time built in. During the follow-up, we inspect every accessible joint, valve, and coil section under UV light in a darkened space, since ambient daylight washes out the fluorescence and can cause us to miss a genuine leak indication. Georgetown's intense summer heat, which pushes systems to their peak operating pressures and temperatures for months at a time, makes this pressure-dependent leak pattern more common here than in milder climates, one more reason UV dye testing earns a regular place in our leak detection toolkit rather than being a rarely used backup method.
UV Dye Testing Questions, Georgetown TX
AC Not Cooling? Low Refrigerant?
EPA certified technicians. We find leaks, fix them, then recharge, in that order.