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Have you ever noticed the temperature between rooms in your house vary, and that regardless of how much you alter your home’s AC or heater settings the problem still persists? If the answer is yes, then you’re more than likely dealing with airflow problems in your home’s HVAC unit. An HVAC unit with airflow issues can be an incredibly annoying problem simply due to the fact that there are a handful of potential causes and pinpointing the exact cause isn’t always so easy. On top of that, letting airflow issues go untreated will only cause more damage to your HVAC unit down the road, resulting in more expenses for you. With that said, if you notice that certain rooms in your home are unusually hot or cold, or that your vents have weak airflow, then it is recommended that you check your HVAC unit or have it checked by a professional. Luckily, the professional HVAC technicians at Mighty Air Inc. have put together a list of the most common causes of airflow problems so that you don’t spend hours trying to find the cause of your HVAC unit’s airflow issues.

Clogged Air Filters

Your HVAC unit’s air filters are what keep the air in your home clean by making sure that pollutants, mold, and dust don’t find a way into your home and into your lungs. These air filters need to be cleaned roughly once a month and replaced roughly every 4 months to ensure that the air quality in your home is safe and that your HVAC unit doesn’t get clogged. If your air filters are in bad condition, replace them and begin routinely cleaning as well as replacing them in order to prevent the issue from recurring.

Low Refrigerant Levels in Your HVAC Unit

You can thank the refrigerant in your HVAC unit for your HVAC unit’s ability to alter the temperature of the air in your home. Although most HVAC units are manufactured with an amount of refrigerant that should last its lifetime, problems can present themselves that cause your HVAC unit to lose refrigerant, such as a leak. If you’re noticing warm air coming out of your vents, unusually high energy bills, ice on your HVAC unit’s refrigerant lines, or an odd sound coming from the refrigerant lines, then refrigerant is most likely escaping. In this case, you should contact a technician to refill your refrigerant as it requires knowledge specific to your HVAC unit.

Blocked or Leaking Ducts

The ducts of your HVAC unit are what deliver the air to your entire home, keeping you cool on hot days and warm on hot cold days. With time, and with lack of maintenance, these ducts can become clogged, preventing air from properly flowing around your home. Not only that, but these ducts can also wear out with time, in which case they would develop small cracks through which air can leak. In both cases, you’ll experience airflow issues in your home such as uneven cooling. Sealing cracks and clearing out debris can be done yourself, but it’s not always easy. Because of this, it’s recommended that you contact a professional to carefully do the job without causing further damage.

Dirty Coils

The way your HVAC unit is able to generate air at the temperature that you specify is by passing air through coils that trap hot air and release it outside. If these coils get covered with dirt, they’ll have a hard time releasing heat and thus won’t be able to cool the air that goes back into your home. Not only will this cause unfavourable temperature conditions in your home, but it will cause your HVAC unit to have to work extra hard which can cause further complications. Changing coils is a delicate process, and thus it is recommended that an HVAC technician does the job for you.

Oversized or Undersized HVAC unit

Believe it or not, buying the wrong size HVAC unit can negatively impact the airflow in your home. If your HVAC unit is too large for your home, it is true that your home will be heated or cooled faster. However, this comes with consequences such as lack or gradual heating/cooling and excess humidity, which can result in hot/cold spots in your home and a humid environment. If your HVAC unit is too small, on the other hand, it will have to work extra hard to heat and cool your home, resulting in potential overheating. In the case of a wrongly sized HVAC unit, consult a professional HVAC technician to determine the right size HVAC unit for your home.

As you can see, there are a couple of common reasons for HVAC airflow issues. Airflow issues cause unfavourable living environments and can end up costing you money in the long run. Because of this, taking precautions to prevent airflow issues in your HVAC unit is recommended. If you believe your HVAC unit is experiencing airflow problems and would like a professional opinion, feel free to reach out to our team of professional HVAC technicians at Mighty Air Inc. and we will be happy to help.