A system running but not cooling almost always comes down to charge, airflow, or a failing component — we test all three.
Straightforward flat-rate pricing, quoted after diagnosis.
A system that's technically running but not actually cooling the house is one of the most misdiagnosed hvac complaints there is, which is exactly why ac repair calls in Lexington, MO get treated with urgency, not a next-available-Tuesday slot.

Waiting rarely saves money and often turns a same-day repair into a longer, more involved job.
AAA Pro HVAC built its AC repair process around one idea: diagnose first, quote honestly, fix it right.
Every truck across Lexington, MO carries the tools and common parts specific to AC repair, so most calls finish in a single visit.

We recover, don't vent — it's the law and it's how we protect your system's warranty.
We route by real-time technician location, not a fixed territory list.
The number on your quote is the number on your invoice.
We check superheat and subcooling against manufacturer spec before touching the refrigerant charge.
Every job starts with a real diagnosis, not a guess — here's the full scope of what our AC repair technicians handle across Lexington, MO.
Repeated low-charge calls on the same system usually mean an unrepaired leak from a prior visit elsewhere. This is one of the most requested AC repair calls we get across Lexington, MO.
A condenser fan that's stalled or running slow lets head pressure spike, which can trip the compressor's high-pressure safety. Techs handling condenser fan motor repair carry the specific parts and tools this job calls for, not a generic kit.
We check for coil frost, which usually points to airflow or charge issues upstream. This is one of the most requested AC repair calls we get across Lexington, MO.
A failed compressor is often the last domino, not the first. Techs handling compressor diagnostics carry the specific parts and tools this job calls for, not a generic kit.
A miscalibrated or miswired thermostat can mimic a full system failure. This is one of the most requested AC repair calls we get across Lexington, MO.
Ductless systems fail differently than central air — we service indoor head units, line sets, and outdoor condensers. Techs handling ductless mini-split diagnostics carry the specific parts and tools this job calls for, not a generic kit.

Dispatch confirms your Lexington address and gives a realistic arrival window.
We text when the tech is en route so you're not watching the driveway.
You see the flat-rate number before approval, tied to the confirmed diagnosis.
Most refrigerant and component repairs wrap same-visit.

Turned out to be a slow leak at the schrader valve — they found it with dye, fixed it, and recharged properly.
Tech explained it was airflow-related from a dirty filter, not a refrigerant issue, and saved me an unnecessary recharge.
Condenser fan had completely stopped and the compressor was still trying to run.
Mini-split in the sunroom was throwing a code I couldn't find online.

A full diagnostic checks all three before we touch the refrigerant charge.
Turn the system off, set the fan to run, and call — running a frozen coil makes the underlying problem worse.
Adding refrigerant without finding the leak just means another service call later.
Yes, though R-22 supply is limited and increasingly expensive — we'll be upfront if a repair-versus-replace conversation makes more financial sense.
Yes — indoor head units, outdoor condensers, and line sets all fall under our service scope.
Call volume rises with the heat, so arrival windows can extend during heat waves — dispatch gives you a live estimate when you call.

Our AC repair crews are positioned throughout Lexington, MO to keep response times realistic, not just promised.
☎ Call +1-866-805-8548 for Lexington Service