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How do I Fix my AC Unit?

To fix your air conditioner, you’ll need to follow a series of steps that will depend on the source of the issue and the complexity of the problem. In any case, the first step is to turn off the power supply by flipping the air conditioning switch off in the main electric panel. Once your AC is off, you can take a closer look at the problem and the repair process.

First Things First

No matter the source of the issue, you need to first cut off electricity to the unit so the problem doesn’t get worse. To turn off the main power supply, flip the air conditioning switch on your main electric panel to “off”.

Once your air conditioner is off, you can attempt to locate the source of the issue. Depending on the specific problem you’re facing with your air conditioner, there are a few things that could be wrong.

Common Complications and Their Culprits

Issues with air conditioning systems can come in many forms. Here are some of the most common problems homeowners face with their air conditioning systems, and a few troubleshooting tasks to try.

How to fix your air conditioner when it’s not cooling

AC not keeping you cool? Check out these different sources to see if you can get it sorted yourself:

Check on your thermostat; it might be set incorrectly. Make sure it’s set to cool, and to the temperature that you prefer. If resetting the temperature doesn’t fix things, you may have a faulty thermostat.

Check your air filter; it might be dirty. Not to worry! Air filters accumulate dirt over time, through no fault of your own. All you need to do to fix your system is clean your AC filter.

Check on your outdoor condenser unit to see if there’s buildup covering your unit. You can clear it off with a brush or a vacuum and see if that does the trick.

Look for leaks. If your AC unit is leaking water, it’s not a good sign. Contact an HVAC technician immediately to have your unit repaired.

If one of these sources does not uncover the source of your issue, there may be another reason why your AC is not blowing cold air. Contact a technician for some extra support.

How to fix a frozen AC unit

If you’re noticing signs that your AC unit is frozen, such as frost accumulation or ineffective cooling, first check to see if your air filter’s clean. If it’s dirty, no worries! This is a normal part of AC life. To fix your system, just clean your AC filter.

If the air filter was not the culprit here, then something more serious might be going on. Contact your local HVAC specialist to have your unit inspected for:

  • Refrigerant leak

  • Frozen evaporator coils

How to fix your air conditioner if it’s leaking water

If your AC unit is leaking, there are a couple of things you can do to try to fix it yourself:

  • Check your air filter to make sure it’s clean. If it’s dirty, clean your AC filter and see if that gets your system back on track.

  • Check on the condensate pan. Is it full? Then you’ll need to empty it. However, this is a suspicious issue — you’ll need to call in the pros to find out what went wrong.

If these two troubleshooting checks don’t turn up the source of the issue, there might be something more serious going on. You’ll need an expert to determine if another problem is at play, like:

  • Drain line is blocked

  • AC unit was installed incorrectly

  • The refrigerant level is low due to a leak

All of these might be reasons why your air conditioner is leaking. A pro can help you uncover which one is at work.

How to fix a noisy air conditioner

There are plenty of explanations for a noisy AC unit. For nearly every one of the following issues, it’s best that you contact an HVAC specialist to have your system inspected and serviced.

  • Blower motor is broken or malfunctioning

  • Refrigerant lines are faulty

  • Debris is in the motor or fan

  • Unit is old

  • Loose parts

No matter the issue with your air conditioner, where there’s a will, there’s a way to get it fixed. If these solutions don’t help solve your AC issue, contact an HVAC specialist for a more detailed diagnosis and solution.

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