What Are Some Common Causes of an AC Unit Blowing Hot Air?


Maintaining your air conditioner is important if you want to keep it running properly and keep your home cool during the summer. It’s fairly simple and any of the more complex tasks can be handled by a technician. However, many homeowners don’t know a lot about how to care for their HVAC system. The good news is that there are plenty of resources available online that can teach you everything you need to know about HVAC care and maintenance. If you’re in need of advice, read on to find out about some of the common causes of an air conditioning unit that is blowing hot air.

What are some common causes of an air conditioner blowing hot air?

A dirty air filter is often the culprit when you experience an AC blowing hot air. A clogged filter blocks airflow, preventing the AC unit from cooling the air. As a result, the air conditioner has to work harder to produce the same results, leading to higher energy costs and possible damage to the unit. To keep your air conditioner running efficiently, be sure to change the filter on a regular basis. For most units, this should be done every month or two. If you’re not sure when your filter was last replaced, or if you have a particularly dirty filter, you can check the filter’s dust rating. The higher the rating, the dirtier the filter.

Another common issue with air conditioners is low refrigerant levels. When there is not enough refrigerant in the system, the AC will not be able to cool the air properly. This can lead to the unit emitting hot air. You should check to make sure the AC is not leaking refrigerant. If it does have a refrigerant leak, it will need to be repaired in order to restore the proper refrigerant levels. Another possibility is that the system is not properly charged with refrigerant. If this is the case, the charge will need to be adjusted in order to fix the issue.

If your AC is producing warm air, you should also check the condensate drain. A clogged condensate drain can cause your AC to blow hot air, and can also lead to water damage in your home. To check the condensate drain, locate the drain pipe near the AC unit. If the pipe is clogged, you can call a professional HVAC technician to clear it for you.

How else can you maintain your preferred indoor temperature?

There’s no doubt that a smart thermostat is a solid investment for any homeowner. Not only can a smart thermostat save you money on your energy bills, but it can also help you make your home more comfortable and efficient. One of the best things about a smart thermostat is that you can adjust it from anywhere in the world using your smartphone or computer. This means you can make changes to your home’s temperature whether you’re at home or away. Smart thermostats can also learn your habits and preferences, so they can adjust the temperature automatically. They can even provide insights into your energy usage that can show you what you can do to reduce consumption and minimize your carbon footprint.

Windows and doors are key parts of what is known as your home’s envelope. They help keep your indoor environment comfortable and can save you money on energy costs. Cracks and crevices in your windows and doors can let in outdoor air and moisture, which can cause problems like drafts, moisture damage, and increased energy bills. In order to ensure that your windows and doors are performing at their best, you have to seal any cracks and crevices around them. You can do this by using caulk, weatherstripping, or door sweeps. Severe damage may require window repair or replacement by a professional contractor.

As you can see, there are a few possible causes to look into if you’re experiencing problems with your air conditioner. If you notice that your HVAC system isn’t working as well as it should, or if it’s emitting warm air, don’t wait to call for help. Waiting can lead to even bigger problems and could end up costing you more money in the long run. It could even damage your unit to the point that you may need a premature replacement. If you’re in need of HVAC service or repair, be sure to call a reputable and qualified HVAC contractor. They’ll be able to diagnose the problem and fix it quickly and efficiently.


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Founded in 1994 by the late Pamela Hulse Andrews, Cascade Business News (CBN) became Central Oregon’s premier business publication. CascadeBusNews.com • CBN@CascadeBusNews.com

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