We carry R-410A and R-22 service equipment so we're not turning away older systems.
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 Altadena, CA get treated with urgency, not a next-available-Tuesday slot.

Most AC repair problems give some warning before they turn into warm air blowing from the vents, ice forming on the copper line, or a condenser fan that's stopped spinning outside — catching it early usually means a shorter, cheaper fix.
AAA Pro HVAC built its AC repair process around one idea: diagnose first, quote honestly, fix it right.
Every truck across Altadena, CA 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.
Trucks stocked and staged across Altadena, CA 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 Altadena-area crews are equipped for.
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 Altadena, CA.
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 Altadena, CA.
A dirty or frosted evaporator coil restricts airflow and drops cooling capacity fast. This is one of the most requested AC repair calls we get across Altadena, CA.
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.
We verify the low-voltage circuit before assuming the outdoor unit is at fault. This is one of the most requested AC repair calls we get across Altadena, CA.
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.

Tell us whether the air is warm, the unit is icing, or it's not running at all — that detail changes what parts ride along.
Techs arrive with manifold gauges and common capacitor/contactor stock already loaded.
Superheat, subcounting, and airflow readings get taken before any refrigerant is added.
Workmanship is backed in writing on your invoice.

Turned out to be a slow leak at the schrader valve — they found it with dye, fixed it, and recharged properly.
Outdoor unit had ice forming on the copper line which I'd never seen before.
Condenser fan had completely stopped and the compressor was still trying to run.
Their tech knew it on sight and had a replacement part on the truck.

Usually low refrigerant charge from an undetected leak, a dirty evaporator coil, or restricted airflow from a clogged filter.
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.
We carry recovery equipment rated for legacy refrigerants.
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.

Whether you're in the heart of Altadena or one of the surrounding communities, dispatch routes the closest available technician.
☎ Call +1-866-805-8548 for Altadena Service