QA

Question: Why My Air Conditioner Is Not Working

If your air conditioner is not working, it can be caused by a variety of reasons. Common reasons include dirty or blocked air filters. In other cases, there can be issues with your compressor or refrigerant. This can lead to your ac not blowing air, not turning on, or it just doesn’t seem to be working properly.

What causes an air conditioner to stop working?

If your air conditioning unit has stopped working, there are many possible reasons that can explain why. It could be your thermostat, your air filter, a problem with the condenser or compressor, or it may just be time to replace the unit, especially if it’s over 10 years old.

What to check if AC is not cooling?

A dirty air filter can block airflow and reduce cooling to your home. In more extreme cases it can cause the system to shut down completely. If your thermostat checks out and you still don’t have cool air, locate your system’s air filter, turn the system off, remove the filter and inspect.

How do I reset my air conditioning unit?

How to Reset an Air Conditioner Power down your AC. Start at your circuit breaker panel and flip the breaker that powers your AC. Find the button. Most air conditioning units are equipped with a reset button. Hold down the reset button for 3 to 5 seconds and then release. Restore power to your AC.

What do you do when your air conditioner stops working?

What to do When Your AC Stops Blowing Cold Air Change the Dirty Air Filter. The filter needs to be clean for your AC to work properly. Unblock a Blocked Condenser. Your AC won’t run properly if dirt and debris are all over the outdoor component of your HVAC system. Have Low Refrigerant Replaced.

Should I turn off my AC if it is not cooling?

If your ac is still not cooling there is one more thing you need to do. This is very important. TURN IT OFF and call your HVAC service provider to assist you. We always tell our customers to turn off an ac that is not cooling properly.

How do I know if my AC fuse is blown?

Test the load: If you saw a voltage reading during the previous step, run the same test on the “load” side of the fuses. You should again see a reading between 220 and 240. If you see a voltage reading on the “line” side but not the “load” side, it means you have a blown fuse.

Why won’t my outside AC unit come on?

AC not turning on could be the result of a blown fuse located at something called a safety shut-off box. This should be found close to your AC unit. Check to see if you have a blown fuse, and be sure to replace it if that’s the case. Even if the fuse doesn’t appear to be damaged, go ahead and replace it anyway.

Where are AC fuses located?

The fuse is a wire inside a glass casing, found in the disconnection box connected to your AC. The fuse is a protective measure meant to protect your air conditioner from electrical damage.

Where are AC fuses?

A fuse is a metal filament or wire, usually in some type of casing. It’s located in the disconnect box, connected to your AC. It is there to protect your machine, to avoid more serious problems.

How much does it cost to replace an AC fuse?

AC Fuse, Circuit Breaker or Relay Replacement Cost It costs between $15 and $300 to replace fuses, circuit breakers or relays in an AC unit. These projects are relatively fast and most take just a couple of hours to complete.

How do I check my home AC fuse?

The best way to test for a blown fuse is by using a voltmeter. To verify that you have a blown fuse on hand, the first step is to locate the disconnect box. Lift or swing open the outer and inner cover of the disconnect box to expose the cables. Check the voltmeter to make sure that it is functioning properly.

How much does it cost to fix home AC?

According to HomeAdvisor, the average cost the repair an AC Unit in the United States is $336. The typical range is between $163-$520 while the high end of repairs can be as high as $1100. Certain types of repairs will also cost more than your average fix.

How long does an AC unit last?

Modern air conditioners can last between 15-20 years, and older air conditioners last around 10-12 years. The health and efficiency of your A/C depends on a number of factors, including whether or not you properly maintained the unit throughout its lifetime.

Can a blown fuse cause AC not to work?

First of all, your electrical system might be having problems. While this prevents serious trouble such as electrical fires, it also means that a single blown fuse can cause the entire air conditioner to stop working.

How do I know if my home AC compressor is bad?

How to Know If Your AC Compressor Is Bad Strange Noises Coming From the Unit. If you turn on your AC system and hear any type of loud, uncommon noise coming from the unit, it warrants a second look. A Change in Air Flow or Temperature. Leaking Moisture.

Can I just replace my outside AC unit?

The simple answer is No. When replacing the outside AC unit in your home, HVAC experts recommend that you also replace the indoor unit. While this is entirely your decision, failure to replace both can cause issues such as reduced efficiency, regular failures, and increased cooling costs.

When should I replace my AC unit?

Air conditioning units can last a surprisingly long time, but they can also break unexpectedly. You can expect to replace an AC unit every 10-15 years unless you experience problems with the unit. Be sure to keep up with maintenance and proper storage of the unit once the weather becomes cold.

How much does it cost to unclog AC?

Clogged Drain Line If the condensate drain line becomes clogged, water can back up and overflow into your home, resulting in a messy leak. To flush the line or repair it can cost anywhere from $75-$250. In the case that the evaporator coil needs replacing, you are would pay between $400 to $950.