We carry R-410A and R-22 service equipment so we're not turning away older systems.
A tech who explains superheat and subcooling readings instead of just saying 'it's low on freon'.
If you're dealing with warm air blowing from the vents, ice forming on the copper line, or a condenser fan that's stopped spinning outside, you already know a system that's technically running but not actually cooling the house is one of the most misdiagnosed HVAC complaints there is.

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 Union, MI carries the tools and common parts specific to AC repair, so most calls finish in a single visit.

Every tech carries EPA Section 608 certification, required for legally handling refrigerant.
Trucks stocked and staged across Union, MI mean shorter windows than a call-center dispatch model.
The number on your quote is the number on your invoice.
We check superheat and subcooling against manufacturer spec before touching the refrigerant charge.
From the first symptom to the final fix, these are the specific AC repair services our Union-area crews are equipped for.
Low charge is a symptom, not a diagnosis — we find the leak with electronic detection and UV dye before recharging. This is one of the most requested AC repair calls we get across Union, MI.
A condenser fan that's stalled or running slow lets head pressure spike, which can trip the compressor's high-pressure safety. This is one of the most requested AC repair calls we get across Union, MI.
A dirty or frosted evaporator coil restricts airflow and drops cooling capacity fast. Techs handling evaporator coil cleaning & repair carry the specific parts and tools this job calls for, not a generic kit.
Hard-starting, humming-but-not-spinning, or tripped breaker symptoms get tested with a start capacitor check before any compressor is condemned. Techs handling compressor diagnostics carry the specific parts and tools this job calls for, not a generic kit.
We verify the low-voltage circuit before assuming the outdoor unit is at fault. Techs handling thermostat calibration & wiring carry the specific parts and tools this job calls for, not a generic kit.
Error codes on the wall unit display get cross-referenced against the manufacturer's chart. Techs handling ductless mini-split diagnostics carry the specific parts and tools this job calls for, not a generic kit.

Dispatch confirms your Union address and gives a realistic arrival window.
Techs arrive with manifold gauges and common capacitor/contactor stock already loaded.
Superheat, subcounting, and airflow readings get taken before any refrigerant is added.
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.
They caught it before the compressor overheated and swapped the fan motor same visit.
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.
Ice almost always means something is restricting airflow or refrigerant flow, and running it iced up can damage the compressor.
Every system has a manufacturer-specified charge amount — we don't top off blind, we charge to spec using superheat/subcooling readings.
We carry recovery equipment rated for legacy refrigerants.
Mini-splits have their own fault-code language, and our techs are trained on the major brands.
We prioritize no-cool calls with vulnerable occupants when scheduling.

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