7 Signs You Need to Change Your Air Conditioner Filter

Your air conditioner filter is an essential part of your home's HVAC system. It helps keep the air in your home clean and free of dust, dirt, and allergens. But how do you know when it's time to change your filter? Here are 7 signs that you need to replace your air conditioner filter.1.

You can see dirt on the filter

. If you can see dirt and debris on the filter, it's time to replace it.

This is a sure sign that the filter is clogged and needs to be changed.2.It does not pass the “white sheet” test. If you hold a white sheet of paper up to the filter and can't see any light coming through, it's time to replace it.3.You can't remember the last time you did it. If you can't remember when you last changed your air conditioner filter, it's probably time to do so.4.The back of the unit is too hot. A clear sign that the air conditioner filter needs to be replaced is when the back of the unit is too hot.

If the filter is heavily soiled, you may feel warm air coming out the back of the unit.5.The air conditioner is working harder than usual. A clogged filter forces the air conditioner to work harder to keep the house cool. This will lead to more frequent air conditioning repairs and ultimately shorten the life of the unit.6.You're feeling uncomfortable in your home. Reduce the load by simply changing the AC filter regularly.

A dirty air filter will not allow fresh, refreshing air to pass through it properly, leaving you sitting in a pool of unpleasant sweat.7.Your energy bills are increasing. According to the Department of Energy, running your heating and cooling system with a clogged air filter can cause it to consume 5 to 15 percent more energy than it would if the filter were clean. If you notice any of these signs, it's time to replace your air conditioner filter. Doing so will help keep your home comfortable and reduce your energy bills. Don't forget to check your filter regularly and replace it when necessary.