Common HVAC Problems And How To Fix Them

Feeling the heat? Is the temperature rising uncomfortably in your home? Amidst the hustle and bustle of daily life, it’s easy to forget about your home’s air conditioning unit. But when your AC stops working, it’s a problem that demands immediate attention. HVAC issues can cause significant discomfort and potential damage, but many common problems have simple solutions. Here are the five most common HVAC problems and how you can fix them.

1. The Air Conditioner Is Not Functioning At All

When your AC stops working without any warning, it can be frustrating. Before calling an HVAC professional, there are a few troubleshooting steps you can take:

  • Check the Thermostat: Ensure that your thermostat has working batteries. It’s a common oversight, but replacing dead batteries can solve the issue. Also, confirm that the thermostat is set to “cooling” and that the temperature setting is correct.
  • Reset the Circuit Breaker: If the thermostat settings and batteries are fine, try resetting the circuit breaker connected to the air conditioner. Sometimes, a simple reset can get your AC back up and running.

2. Your Air Conditioner Is Blowing Hot or Warm Air

Nothing is more frustrating than an AC unit that only provides warm air. Here’s what you can do:

  • Check Thermostat Settings: Ensure the thermostat is correctly set to “cool” and the temperature setting is appropriate.
  • Replace the Air Filter: Often, a dirty or blocked air filter can cause frozen coils, leading to warm air. Replace the filter regularly to maintain proper airflow.
  • Check Refrigerant Levels: If the air filter isn’t the issue, you might be low on refrigerant. Feel the largest copper wire connected to the condenser. If it’s not cool and damp, your refrigerant level may be low. In this case, call an HVAC specialist to refill or repair the refrigerant system.

3. You Have a Leaking Unit

Some leakage from HVAC units is normal, but excessive leakage can indicate various issues. Here’s how to address it:

  • Unclog the Condensate Line: Often, excessive leakage is due to a clogged condensate line. Follow the manufacturer’s guidelines to unclog it. If you’re unsure or uncomfortable doing it yourself, contact a trained HVAC professional to assess and fix the problem.

4. Uneven Temperature Distribution

If one part of your house is noticeably warmer or cooler than another, an imbalanced air system could be the cause. Consider the following solutions:

  • Cover Windows: Use sun-blocking drapes or blinds to prevent heat from entering through large windows.
  • Inspect Insulation: Check the insulation in each room to ensure it’s adequate.
  • Adjust Dampers: Install dampers to help regulate airflow throughout your home, ensuring a more even temperature distribution.

5. Your Air Conditioner Is Loud

While you should feel your HVAC system working, you shouldn’t have to hear it loudly. Here’s how to diagnose and address the noise:

  • Identify the Noise: Different noises can indicate different problems. Squealing and screeching often suggest a defective belt, while rattling noises might point to issues with the motor, fans, or compressors.
  • Check the Thermostat and Clear Debris: Start by checking the thermostat settings and removing any debris near the outside unit. If the noise persists, it’s best to call an HVAC expert to diagnose and fix the issue.

Call KW Smith & Son Today

The best way to prevent common HVAC problems is to have regular maintenance by a professional. KW Smith & Son offers expert HVAC maintenance and repair services. Don’t wait until a small issue becomes a big, expensive problem. Contact us today to schedule an appointment with one of our trusted technicians.