Is it blowing warm?
Stone Mountain AC Repair for Tired and Aging Units
A tech tests capacitors, motors, drains and refrigerant until the failed piece turns up, then tells you whether the rest of the unit deserves the repair.
Why Does an Older AC Suddenly Quit?
Usually it is not the whole machine. On a system that has run for many summers, one part tends to give out while the rest still has life in it. Capacitors weaken from heat and age until the compressor or fan motor cannot start. Contactor points pit and stop closing cleanly. Fan motor bearings dry out. Algae plugs the condensate line and the float switch shuts everything down. A slow refrigerant leak drops the charge until the evaporator coil freezes into a block of ice. Any of those can leave you with warm air on a sticky afternoon, and most of them are fixable without touching the rest of the system. That is the point of a careful diagnosis: find the one failed piece, replace it, and get more seasons out of equipment you already paid for. Before you phone, try four quick checks. Does the thermostat actually say cool, with a setpoint under room temperature? Did either the indoor or outdoor breaker flip? Has the filter turned the color of dryer lint? Has the drain safety switch cut power because water backed up? If those all look fine, or there is frost on the copper or a puddle somewhere unexpected, shut the equipment down. Running it frozen or short of refrigerant strains the compressor, and the compressor is the one part that can turn a repair into a replacement.
What Gets Checked on an AC Call?
These are the parts that fail most often on older central air systems.
Start and run capacitors
Tested against their rated value, because a weak one makes motors struggle long before it dies.
Contactors and wiring
Burnt points, loose lugs and chewed wires found and replaced at the outdoor unit.
Condenser fan and blower
Motors checked for amp draw, heat and bearing noise, and replaced when they are on the way out.
Refrigerant charge and leaks
Gauges confirm whether the charge is low, and a low charge means a leak gets hunted down rather than just topped off.
Iced evaporator coils
Filter, blower speed, coil cleanliness and charge reviewed together until the reason for the ice is clear.
Drain lines and pans
Clogs flushed, pans inspected and the overflow switch confirmed working so water stays out of the ceiling.
Thermostat and control circuit
Low-voltage wiring, fuses and control boards traced when the unit will not answer the thermostat.
How Does the Repair Go?
Phone it in
Describe the symptoms, the rough age of the unit and the quick checks you have already tried.
Meter it and quote it
The tech confirms the failed part with readings, then tells you the repair cost and whether the rest of the system looks sound.
Swap it and prove it
The part goes in, the unit runs until supply air and refrigerant readings settle, and the work area is cleaned before the tech leaves.
Why Call Us Before Replacing an Old AC?
Repair is the first question
If one part brings a sound unit back, that is what you will hear recommended.
Honest about the compressor
When the expensive heart of the system is failing, you get told plainly so you can decide with the facts.
No mess left behind
Drop cloths, shoe covers and old parts hauled out with us.
- Diagnosed on the meters
- Older units welcome
- Cost set before work
- Every day of the week
Warm Air Coming Out of the Vents?
Give us the symptoms and the age of the unit. A tech will tell you what typically fails on systems like yours and how the visit goes.