Why is our air conditioning suddenly worse after a repair?

The initial cause of the break was the coils freezing over. We'd set the AC to 72 while we were out of town, but it was totally our fault.

Why is my AC suddenly running constantly and not cooling the house?

Hey, it might be an issue with your AC system. Check if your air filter is clean, as a dirty filter can cause the unit to overheat.

After Servicing, A/C wont go below 79 - HVAC-Talk

IF you need refrigerant added, you either 1) didn't have the correct charge before 2) it's not overcharged (too much in there, just as bad or worse than not ...

My AC started blowing heat after mechanic replaced air compressor ...

Refrigerant can “migrate” to the compressor i.e liquid refrigerant will condense in the body of the compressor. This liquid is not compressible ...

Did mechanic ruin my AC compressor - Maintenance/Repairs

Another part that causes me concern would be if the flushing removed all or most of the refrigerant oil in the A/C system. That can lead to a ...

Common Air Conditioner Problems | Department of Energy

Other common problems with existing air conditioners result from faulty installation, poor service procedures, and inadequate maintenance. Improper installation ...

7 reasons why your AC compressor may break down

When the pipes, which are responsible for the refrigerant supply, get clogged or damaged, the first thing that becomes noticeable is worse performance of the ...

8 Air Conditioner Problems and How to Fix Them - Consumer Reports

1. Is the filter dirty? No matter which type of air conditioner you have, a clogged air filter restricts airflow, decreasing efficiency and ...

Top Reasons Behind What Causes a Sudden AC Failure | Blog

If your AC fails to work because of a faulty thermostat, repairs are usually quick and effective. However, when your thermostat is damaged, your ...

7 Reasons Why Your AC Unit Isn't Working

Check your wall thermostat, if your setting is on "fan" or "on" instead of "auto", your air conditioning unit will only circulate air with the ...

7 Common AC Problems and How to Fix Them

1. Refrigerant is Leaking ... Getting your AC up and running again may be easier than you think. The unit in your house was either undercharged at installation, ...

Why is My Air Conditioner Not Working? 10 Possible Reasons

Turn off your system and call an AC repair consultant right away. Dirt on the Condenser Coil. Yep. That pesky dirt can cause havoc everywhere in ...

6 Warning Signs of AC Problems

Poor airflow often means you have leaky ductwork, a clogged filter or a build-up of debris in your ducts. It could also be a sign that the ...

AC Won't Turn On: Helpful Troubleshooting Steps - Aire Serv

Dusty filters can clog your system, forcing the AC to work extra hard to reach your desired temperature. This often triggers the system's self-preservation mode ...

Strange Air Conditioning Sounds You Shouldn't Ignore

A screeching sound doesn't mean there's a velociraptor nearby. In terms of AC repair, screeching means a problem with the fan motor or ...

8 Common Types of Air Conditioner Noises: Causes and How to Fix

If your air conditioner is making a banging noise, this is an indicator of a problem with the compressor. This component is engineered to ...

How should I deal with an air conditioner that doesn't keep up?

It depends. If the A/C has a mechanical problem, have it fixed. You'll know soon enough, if it suddenly got worse. If the ...

5 Most Common Air-Conditioning Problems and Repairs

Both of these parts are in the outside “condensing unit” of your HVAC system. With your system on if you don't hear both running, or you have a tripped breaker, ...

What to Do When Your AC Stopped Working Suddenly

Check to see if your AC's air condenser is running. If it isn't first check your thermostat. The problem could be as simple as someone ...

What to Do if Your AC Suddenly Stops Blowing Cold Air

A clogged filter for your AC can significantly slow airflow, even completely blocking it in some cases. This could result in the air ...