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Four Common HVAC Problems and How to Fix Them

Central air and heating systems

We’ve all been there, everything is going well within the home and your HVAC system starts having problems. Statistics show that nearly 75% of homes in the United States have air conditioning units. Many people depend on heating and cooling units to keep their home comfortable. Unfortunately, there are several common issues that can happen with your HVAC system. Learning how to fix common HVAC issues is beneficial to know. Certain problems may require the help of an HVAC contractor. In this post, you will learn the cause of four common HVAC problems.

  1. Reduction in Airflow

    Experiencing a reduction in HVAC airflow is a common problem. There are many problems that can cause the airflow of a heating and cool system to decrease. You will want to check the air filters within your home to see if they need to be cleaned. Air filters are encased within a metal vent that can become dirty. It’s best to clean the vent to remove any accumulated dust and dirt. However, dirty air filters will need to be fully replaced. Dirty air filters are common causes of experiencing more frequent allergies and illnesses. Certain reduced airflow problems are harder to diagnose without a professional. Common causes of reduced airflow are leaks in air ducts.
  2. Leaking Air Ducts

    Common problems with heating and cooling systems revolve around duct leakage. Leaking ducts often lead to higher energy bills and lower unit efficiency. A home will have ducts that span throughout the entire house. In some cases, you might be able to spot a leaking duct. However, the source of a leak in a duct is often hard to find. The heating and cooling of buildings account for about 43% of all energy used within the United States. Leaking ducts are common causes of increased heating and cooling bills.
  3. Strange Noises When HVAC Unit is Running

    In some cases, strange noises will begin to occur when HVAC units are running. You can open up the indoor cover where you replace an air filter to see if there are immediate obstructions. If you don’t see anything immediately visible, it’s best to call an HVAC contractor. Strange noises can be a sign of a variety of HVAC problems. An HVAC contractor will inspect the noise itself. It’s common for different noises to come from an HVAC system including grinding, thumping, and clanging. An HVAC contractor will help to ensure the what the HVAC noises mean and how to fix them.
  4. Coils are Dirty

    The coils of an HVAC system are located outside. There are a few ways to tell if your system is in need of a coil cleaning. It’s recommended that you have your air conditioning system inspected twice per year. If it’s been a while since your last inspection, it’s time call an HVAC contractor. All coils will begin to accumulate dirt over time. Over time, coils that are caked with dirt and grime lead to reduced HVAC efficiency. Another reason to call an HVAC contractor for coil cleaning is that these items must be cleaned in a sensitive manner. In addition, working with the outdoor portion of an HVAC unite puts you in close proximity to electricity.

In summary, there are several common problems that can happen to an HVAC system. Reduced HVAC airflow is a common problem many homeowners will experience. A simple solution to reduced airflow is to replace your air filter. If you’re still experiencing reduced airflow, it’s best to call an HVAC contractor. Leaking air ducts are a common cause of reduced air flow within the home. It’s often harder to find the source of a leaking duct which makes calling a professional a wise choice. There are many possible causes of strange noises coming from your HVAC system. A common problem with HVAC units is that coils have become dirty. These coils are located outdoors and are very sensitive to work on. If you haven’t had these coils professionally cleaned within six months to a year, it’s time to call an HVAC contractor. Knowing how to diagnose and repair common HVAC problems help to ensure your home stays properly heated and cooled.


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