A furnace filter is one of the most important components of your HVAC system. They trap impurities and harmful particles in the air that could otherwise be harmful to your health. They also keep your HVAC system running smoothly by removing excess dust and debris so that they don’t clog up and cause further issues for your HVAC system. If you have a forced-air heating or cooling system, a filter is required to keep it operating efficiently. They trap dust, pollen, and other airborne contaminants and prevent them from entering the HVAC system. They should be changed on a regular basis, depending on the type of filter you have and how often the air in your home is being circulated. If you want to learn more about how to change your furnace filter, keep reading!

How to Change a Furnace Filter?

There are two types of filters that are used in HVAC systems: a static filter and a disposable filter. A static filter is usually a pad that is placed inside the ductwork, while a disposable filter is usually a paper or cloth bag that is dropped into a filter box. Furnace filters are usually a disposable filter. The best way to change it is to unscrew the filter box, remove the old filter, and replace it with a new one. If you have a static filter, you can usually just remove it and replace it with a new one. If you have a disposable filter, you can either drop it into the filter box or you can place it inside a plastic bag so that you can dispose of it later.

Why is it important to change your furnace filter regularly?

A dirty filter can cause your HVAC system to work harder to distribute air, which can increase your energy bill. It can also increase wear and tear on your HVAC system, which can lead to repairs and more money down the road. A dirty filter can also reduce your home’s indoor air quality, which can make you and your family sick. A dirty filter may also cause your HVAC system to break down sooner than expected, which could result in extra costs for you.

Things to Keep in Mind When Changing your Furnace Filter

When changing your furnace filter, it is important to use the right tools for the job. A basic pair of pliers will not be able to remove the filter from the filter box. You should use a filter wrench or a filter extension tool to remove the filter from the filter box. You can also use a pair of channel-lock pliers to loosen the filter from the filter box. If you have a disposable filter, you can usually just drop it into the filter box without having to remove it.


Furnace filters are an essential part of your HVAC system, but they need to be changed regularly to ensure that they are working properly. When you change your filter, you’re helping to protect your HVAC system and your family from harmful contaminants in the air. You can use these tips to change your filter more easily and effectively.

Frequently Asked Question

The furnace filter needs to be replaced depending on your location. For colder zones, you might want to change it every 30 – 60 days because furnaces usually go on for many months and do not take a break. For warmer areas, you may only replace it twice during the winter or after 90 days. It also varies on the thickness of the furnace filters. The thinner your filter, the more frequent you get to replace it.
If you fail to change your furnace filter, this might affect the performance of your furnace. It will pressure your equipment to work harder because of a decrease in airflow. Worse, it might damage your equipment forcing you to have it repaired or replaced. The furnace will overheat once you turn it on without a new air filter.
Technically without a furnace filter, your furnace will still operate. However, you will risk your family’s health and your equipment’s performance as well. Furnace filters make sure that contaminants, dust, and microbes do not get inside your house so you will not breathe dirty air.
A dirty furnace filter looks darker than the first time you bought it. The air also smells funny. You get lower airflow and your equipment works hard causing your electric bills to soar. Soon you will get sick, and develop headaches and allergies.
The fibers can’t do their job when it is placed backward. The furnace will work harder to keep up with its desired output. This will increase your energy cost and damage your equipment. Smaller particles will accumulate causing build-up.