Do you know that an air conditioning unit can lose up to 5% of its efficiency every year if it is not appropriately maintained? AC coils are one of those components of an air conditioner that need to be cleaned periodically depending on usage and location to ensure the comfort of your living place. Check this infographic to learn how to keep the AC coils clean. Still, if you have any queries, please contact the HVAC experts from Arnica Heating and Air Conditioning Inc.