HVAC Warning Signs to Know for 2022

It’s never too early to start preparing for HVAC problems. Even if your HVAC unit is currently functioning correctly, it’s essential to be aware of the HVAC warning signs that could indicate a problem down the road. In this blog post, Coastal Climate Experts will discuss some of the most common HVAC warning signs to look out for in 2022. By being proactive and addressing these issues before they become worse problems, you can save yourself time and money in the long run!

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Your unit runs constantly but doesn’t cool or heat well

If your HVAC unit is running constantly but not effectively cooling or heating your home, this could be a sign of a problem. It could be that your unit is too small for the space it’s trying to heat or cool, or there could be an issue with the ductwork. An annual maintenance appointment is not required, but it’s a good idea to schedule one since you won’t know when there’ll be an emergency repair. Problems with your thermostat are frequently the cause of systems that cycle on and off. If you notice this issue, it’s best to call a professional to take a look and diagnose the problem.

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Your unit only blows warm air

This could be a sign of a refrigerant leak, which is a serious issue that needs to be addressed by a professional as soon as possible. Another possibility is that your compressor isn’t working correctly. Alternatively, you may have a duct problem that is causing the unit to pull air from somewhere else. Regardless, if you have this problem then you need the help of a certified HVAC technician.

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Your unit has weak or no airflow

There are a few potential causes of this HVAC issue. It could be that your blower belt is worn out and needs to be replaced. It could also be that your blower motor is failing. Another possibility is that there is an airflow restriction somewhere in the ductwork. In any case, you’ll need to have a professional take a look.

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The system rattles or grinds when it turns on

If you hear strange noises coming from your HVAC unit, this is definitely a cause for concern. If the sound is coming from inside the unit rather than outside, it’s time to have the equipment serviced immediately. It might be as easy as a clog in the AC line. These noises could be caused by anything from a loose item to catastrophic damage. Again, it’s best to call a professional to come and take a look at the problem.

Other sounds and their possible causes include:

  • Clicking from an outdoor unit while it’s running: This likely means there is a blockage in your unit’s fan. Inspect the fan and remove any obstructions.
  • Clicking from an outdoor unit that won’t turn on: This clicking noise probably indicates an electrical problem in your unit.
  • Bubbling or gurgling: This may just be your condensate line gurgling. However, it could also be a Freon leak, which is a much more severe problem.
  • Clanging or banging from an outdoor unit: This noise is probably your fan striking an obstruction. It’s also possible that the fan mount has come loose. Such jiggling might be causing it to hit its protective cage.
  • Squealing from an indoor unit: Typically, a squealing noise indicates a problem with the fan belt. This sound may be intermittent, but you should take it seriously -if your fan belt breaks, then your air conditioner will cease working.
  • Metal screeching: This noise is probably caused by the fan motor bearings giving out in your outdoor unit.
  • High-pitched hissing or screaming: This sound is likely emitting from your air conditioner’s compressor. The most likely cause of this is a build-up of pressure inside the air conditioner, which can be highly hazardous. Your system should automatically shut down if this happens. However, if it continues to try to turn on, call a professional immediately.

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Your air ducts are dirty or dusty

If your air ducts are dirty, this can cause a number of problems. First, it can reduce the efficiency of your HVAC system because the air has to travel through all that grime before it gets to you. Second, it can also lead to poor indoor air quality, which can cause health problems for you and your family. Be sure to have your air ducts cleaned by a professional on a regular basis to avoid these issues.

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There’s a bad smell near your unit

A foul odor is probably a sign of mold, dirt, and pathogens building up inside your air conditioner. This problem can be a severe health hazard, so it’s crucial to have the unit checked out as soon as possible. Alternatively, a burning smell probably indicates an electrical issue, such as faulty wiring.

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Your unit leaks water or Freon

Leaking water or Freon is a sign that your HVAC system is not functioning correctly. This problem might be due to a number of different issues, such as loose connections and faulty seals. Either kind of leak can do severe damage to your home, so it’s essential to have a professional take a look at your unit as soon as possible.

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Changes in airflow

If you notice a change in the airflow from your HVAC unit, it could be a sign that there is something blocking the airflow, such as a clogged line. This issue can reduce the efficiency of your HVAC unit and lead to higher energy bills.

Indoor humidity levels are too high or low

If the humidity levels in your home are too high or too low, it can be a sign of a problem with your HVAC unit. This problem can be a severe issue, so it’s essential to have your unit checked out by a professional.

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Malfunctioning thermostat

If your HVAC unit’s thermostat is not working correctly, it can cause a variety of problems. This issue can include making your HVAC unit work harder than necessary, which can lead to higher energy bills.

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Frequent repairs

If you find yourself having to repair your HVAC unit frequently, it may be time to replace it. A new HVAC unit can save you money in the long run by being more energy efficient.

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An elderly system

If your HVAC unit is getting old, it may not be as efficient as it once was. This problem can lead to higher energy bills and more frequent repairs. If your HVAC unit is fifteen to twenty years old or older, consider replacing it with a new, more energy-efficient model.

HVAC warning signs

Your energy bills spike

If you notice a sudden spike in your energy bills, it could be due to your HVAC unit. An HVAC unit that is not functioning properly can cause your energy bills to increase.

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Ice on the evaporator coils

If you see ice on the evaporator coils, it means that your HVAC unit is not removing moisture from the air properly. This issue can lead to mold and mildew growth in your home.

The unit turns on and off randomly

If your HVAC unit turns on and off randomly, it could be due to a number of different issues. It could be an issue with the thermostat, the HVAC unit itself, or the ductwork.

HVAC warning signs

Does your AC have any of these problems? Call Coastal Climate Experts!

Coastal Climate Experts can deliver maintenance and repairs before you experience catastrophe. As a leading Space Coast HVAC company, Coastal Climate Experts has over ten years of experience in the industry. We’re incredibly proud of our superior workmanship, affordable rates, and long-lasting relationships with customers that we have built over time. We have a specialized staff of experts dedicated to client happiness. Give us a call, and we’ll check your air conditioner for you, along with any other repairs or replacements.


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