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  • Johnstone Supply 48 Marketing

HVAC Myths Busted!


Close the Vents in Rooms You Don’t Use

False! Your HVAC system is set up to run most efficiently based on the number of vents you have. Closing vents affect your airflow and don’t result in saving you money.


The bigger the Air Conditioner the Better

False! There are different sizes of air conditioners to fit different home needs. When we quote your new air conditioner, we will make sure it is properly sized for your home. Not too big or too small just right!


You Only Have to Change Your Filter Once a Year

False! Although each system has different recommendations, we always recommend you check your filter once a month to make sure it isn’t dirty. A filthy filter will restrict airflow and can result in freezing up your air conditioner!

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