Griffith AC went silent? Start with the simple stuff.
Some AC failures make noise. Others just stop. You walk past the thermostat and the screen is blank, the vents are still, and the unit out back is quiet. On a humid Griffith afternoon, with the air heavy and the house warming up by the hour, that can feel like the worst case. It usually isn’t.
A dead system with a blank thermostat is often an electrical problem in the low-voltage controls. That’s the thin wire that runs from your thermostat to the furnace and out to the condenser. It carries the signal that tells everything to start. When something goes wrong along that path, the whole system goes quiet.
We’ve found plenty of dead-quiet systems that only needed a damaged wire repaired and a small fuse replaced.
Before you call, check these
- The breaker for the furnace and the one for the AC.
- The thermostat batteries, if it uses them.
- The furnace service switch, which looks like a light switch near the unit.
- The drain pan under the indoor coil. If it’s full, a safety switch may have cut power.
If all of that looks fine, call. A real person picks up, day or night, and tells you the diagnostic fee before we come. If you smell burning or see a scorched wire, leave the breaker off.
Repair first. Then, only if it makes sense, anything else.
When everything goes dead at once, it’s easy to assume the whole system has failed. Some companies are happy to let you believe that. We don’t work that way. Every visit starts with finding the actual fault and pricing the repair in writing. Our techs aren’t paid on commission. Replacement comes up only if the repair costs more than the system has left in it, and you’ll see both prices together.
Griffith homes and where wires get hurt
Griffith has a mix of older homes near its downtown and newer houses farther out. In a lot of backyards, the thermostat wire runs along the siding, under a deck or beside a fence line to reach the condenser. Over the years it gets nicked by a string trimmer, chewed by an animal, or rubbed raw where it touches the metal cabinet of the unit. When the bare copper touches metal, it shorts and blows the little fuse on the furnace control board. Everything stops.
What the tech checks
We trace the control circuit from the thermostat to the furnace to the condenser, find the short, and repair or replace the damaged run of wire. Then we replace the fuse and test the system all the way through. We also check the usual suspects, like the capacitor and contactor, so you know the rest of the unit is healthy. If the house has been feeling clammy, we’ll look at the fan setting, airflow and coil too.
On the clammy-house calls, the fix is sometimes a setting, not a part. A thermostat fan left on ON instead of AUTO keeps blowing air across a wet coil after the compressor stops, which puts moisture right back into the house. We check that first. If the problem is bigger, like low airflow or a system that cycles too fast to dry the air, we’ll explain what’s going on and what it would cost to fix, and we won’t charge you for a part you don’t need.
Your visit
- Call us. A person answers and gives you the diagnostic fee.
- Find the fault. The tech tests the controls and shows you what failed.
- Price on paper. The repair price is written before any work starts.
- Fix and test. We repair it and make sure it’s cooling before we leave.
AC dead in Griffith? Call (219) 555-0142. Or send the form below. If the house feels damp even when the AC runs, read why a house stays humid with the AC on. See our AC repair service, AC repair in Highland, or the service area.