Sometimes during a hot day, you’ll have your AC on but want some fresh air in the house. You might think it’s ok to have the window open for a little while when your AC is cooling the house. However, it might not be a good idea and can reverse all the work your AC is doing.

Having the window open can impact the air conditioning and air quality inside your home. When they’re open, the airflow will escape through them, and you won’t have a constant cooling flow from your HVAC unit. As soon as untreated air starts coming in from outside, your unit will keep needing to filter through. An open window or even a crack can have an impact on how well your HVAC system works and keeps your home cool.

Your HVAC unit will start to work harder because of all the air escaping through the open windows. HVAC systems are designed to circulate air, and if that becomes disrupted, it’s going to be less energy efficient. Even the air from outside can bring in dust and higher humidity, which can wear down and damage the parts of the system. Running the AC with the windows open can cause it to work harder than it should and lead to higher utility bills.

With the window open, dirty air can start coming into your home, leading to the recirculation of unclean air. The dust that starts coming in can affect your HVAC system by coating its parts and coils, which can make it work harder. It can also make your filters dirty much faster, which can decrease the airflow through the house. This can cause the air conditioner to run longer than necessary in order to cool the house.

Leaving the air conditioner running with the windows open can cause problems in the short and long term. It’s always a good idea to have your windows closed while the AC is running so it can work as efficiently as it should. For the best expert guidance, contact Omni Air HVAC for all your HVAC services and maintenance. Our professional team can answer any concerns or questions you may have about your HVAC system.

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