The answer depends on factors such as how often you use the system, the type of filter, whether there are any pets in the home, and your personal habits such as having smokers in the house, use of a wood-burning fireplace, and more.

Some should be replaced every 30 to 60 days. Now that we’ve established the importance of filter maintenance, we should also point out that answering the question “How often should I change my air filter?” does not have a one-size-fits-all solution. System reliability: Because a clogged, dirty filter can make your fan motors and other components work harder, ignoring routine filter maintenance can shorten the life of your HVAC system.A neglected, dirty air filter can cause the heating and air conditioning system to struggle to keep you comfortable.

Comfort: Knowing how often to change air filters can affect your comfort.

According to the Department of Energy, replacing a dirty, clogged filter can increase your system’s efficiency by 5 – 15%. Because the system will have to work harder to maintain your comfort, it uses more electricity, which can increase your energy bills.

Energy efficiency: A dirty or clogged air filter can restrict airflow through the system.

He or she will be happy to help you.To help protect your air conditioner’s lifespan, and improve comfort, it’s important to clean or replace your HVAC filter regularly. Still unable to find that model number? Just call your local Carrier Expert. If you own any other Carrier® product, take a look on the front or sides for the model number – we try to make them easy to find. You should be able to find the model number on a decal inside the front access panel. You should be able to see the model number on a rating-plate or decal right on the front of a ventilator or an evaporator coil and on the side if you have a fan coil. Ventilators, evaporator coils and fan coils You should see the model number printed on rating-plate or decal.

Remove the front door and look inside the unit. If your heat pump is geothermal, the model information should be easily found on the front of the unit. Look on the back of your unit, and you’ll find the model number listed on a silver series rating-plate located above the service valve connections. Air conditioners, heat pumps including geothermal and packaged products If you don’t happen to have them handy, you’ll also find the model number printed right on the unit. Start by looking in your owner’s manual or any other paperwork that came with your product. Rather than have you commit them all to memory, we made our model numbers easy to find. If you need service, or you need to troubleshoot an issue regarding your HVAC system, it always helps to know the model number.

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