Takes about a minute. No obligation.
A diagnostic visit starts with the thermostat setting, the breaker, and the condensate switch, because a full system won't run if that switch thinks the pan is full. From there the tech checks refrigerant pressures, the capacitor, and the contactor before opening anything up. The goal is to find the one part that's actually failing, not to start swapping parts and hope.
A failed capacitor or a dirty set of coils is a same-visit fix. A refrigerant leak means finding where it's leaking before anything gets recharged, since charging a system that's leaking just delays the same call. If the compressor itself is bad, the tech will say so, because that's a repair worth weighing against replacing the unit.
NOAA nClimDiv, 1991–2020 normals
Electricity in Texas ran 14.94 cents per kilowatthour in 2024.
An AC that's struggling to cool still draws power the whole time it runs, so a bad capacitor or low charge adds to the bill every day it's left alone.
Half the houses in Johnson County were built in 1997 or later. If yours is one of them, the AC giving you trouble probably isn't old enough to be worn out on its own. A capacitor or a contactor fails whenever it fails, same with a refrigerant leak, and neither one has much to do with how many years the unit has been running. So before anyone talks about replacing it, it's worth finding out what actually broke. Most of the time on a newer system, that's a part worth fixing, not a unit worth junking.
Power costs more here, so a machine that's running badly costs you every month. Get it fixed soon.
Find a contractor
Short cycling is one of the first things an owner notices. The system kicks on, runs a few minutes, shuts off, then starts again before the house has actually cooled. That's hard on the compressor every time it happens. Warm air out of the vents while the unit runs is another one, and it usually points to low refrigerant or a failing compressor rather than anything in the ductwork. If the system runs most of the day and never quite gets the house to the set temperature, the coils could be iced over or the airflow across them is too low to carry the heat away. A grinding or screeching sound when it starts is almost always the condenser fan motor or the compressor itself, not something that gets better on its own. None of these fix themselves by running the system less. Left alone, a struggling unit keeps drawing power and keeps wearing down the part that's already failing.
Ice on the coil blocks the airflow that's supposed to carry heat away from the refrigerant. The compressor keeps pumping against that trapped heat anyway. Run it long enough in that state and the compressor overheats, and a compressor failure turns a coil problem into a much bigger repair.
Refrigerant lubricates the compressor on its way through the system. A system low on charge is also running low on lubrication, so every hour it runs after the leak starts adds wear to parts that are supposed to be protected. The same leak found early is a repair. Found late, it can mean a compressor that has to be replaced along with it.
Estimates for a typical Johnson County home, compared with an older unit built to the previous federal minimum, from EIA household energy data, Texas fuel prices and NOAA climate normals. Your home will differ.
Repair makes sense when a part like a capacitor or contactor has failed.
Replacement makes sense when the compressor has failed or the system uses R-22 refrigerant, which is no longer made.
Age by itself doesn't tell a tech much. A unit can be new and still have a bad part on it, and a unit can be old and still be sound mechanically if it's been taken care of. What matters more is which part is failing and whether it damaged anything else on its way to breaking. A capacitor replaced quickly costs you the capacitor. A capacitor ignored until the compressor strains against it costs you the compressor too. So the real question isn't how long the unit has been running, it's whether the failure was caught early and whether it's one isolated part or a sign the compressor itself is wearing out. A tech can tell you which one you're looking at. The nameplate on the unit can't.
