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What HVAC Filters Should I Use To Maintain My Home?

It can be tough to keep a home (or office building) comfortable in the heat, but you can take a few simple steps to make it easier. One of the most important things you can do is install and maintain HVAC filters. Let’s look at the filters you should use, why they’re essential, and how to get them installed and maintained.

What are HVAC filters, and why are they important?

HVAC filters are essential for two main reasons: air quality and energy efficiency. Air quality is crucial because it affects our health, and energy efficiency is critical because it saves money on energy bills.

Air quality is affected by several factors, including dust, pollen, mold, and pets. Pollen can cause allergies, while mold and dust can cause respiratory problems. HVAC filters help to remove these pollutants from the air.

Energy efficiency is also impacted by the type of filter used in an HVAC system. Filters designed to trap large particles (such as those created by pet dander) can reduce the airflow in an HVAC system. By using a filter designed to clean up smaller particles, like those made by dust and mold, the airflow can be improved, and more energy can be saved.

What types of HVAC systems use filters?

A lot of different types of HVAC systems use filters. These filters can help protect your home from various pollutants and contaminants. Other types of HVAC systems also require different types of filters. Here is a list of some standard HVAC systems and the kinds of filters they typically use:

-Central air conditioning (CAC) systems: Typically use activated carbon filters to remove odors and particles from the air.

-Window air conditioners (WACs): Commonly use pleated or folded paper air filters to remove pollen, dust, and other pollutants. WACs also tend to use anti-microbial agents to fight against bacteria and mold.

-Heat pumps: Use disposable or reusable ceramic or metal filters to remove contaminants such as mercury, lead, and asbestos.

-Space heaters: Use an activated carbon filter to remove volatile organic compounds (VOCs).

How often do HVAC filters need to be replaced?

The average American home will use approximately 20,000 pounds of filters over a year. That’s about 1,500 pounds per month, and you must change your filters regularly to ensure optimal air quality in your home. Here are some factors that can help you determine when your filter needs to be replaced:

  • If the filter starts to produce unusual odors or smells in your home
  • If the filter appears dirty or damaged
  • If there is evidence of Mold or Mildew growth

The different types of HVAC filters

There are a few types of HVAC filters that you should use on your system. The most common type of filter is the pleated filter. This type of filter removes particles and impurities from the air, which can help improve indoor air quality in your home. You should also use a carbon filter if you have a gas furnace or fireplace. This type of filter helps remove harmful gases and particles from the air.

You should also consider using a humidifier if you live in a dry climate. This will help add moisture to the air, improving your allergies and asthma symptoms. You should also use a dehumidifier if you live in a humid climate. This will remove water from the air, which can help reduce the amount of mold and bacteria in your home.

What should be included in a home’s HVAC filter maintenance plan?

One of the most critical factors in maintaining a home’s HVAC system is ensuring that the filters are properly maintained. Filters can help to remove contaminants and pollutants from the air, keeping your home cooler in summer and warmer in winter. Here are some tips for maintaining your filters:

-Regularly check the filter conditioner level and replace it as needed.

-Clean the filters using a vacuum cleaner and water.

-Check for Obstruction: Filters should be checked regularly for obstructions such as pet hair, lint, or leaves. If an obstacle is found, have the filter replaced.

When should I change my HVAC filters?

There is no definite answer to this question as it depends on various factors, including the quality of the air you breathe and the type of HVAC system you have. However, here are some general guidelines to help you decide when it’s time to change your filters:

  1. If your home’s occupancy increases or decreases: The filter should be replaced every three months if the average daily occupancy is two people and every six months if the average daily occupancy is four or more people.
  2. If you notice a significant change in the air quality: If the air quality becomes significantly worse, such as after a fire or an explosion, your filter likely needs to be replaced.
  3. If you experience problems with your furnace, ductwork, or air conditioner: A faulty filter can cause these systems to malfunction.
What are the benefits of using an HVAC filter?

There are some benefits to using an HVAC filter in terms of comfort and the environment. Filters can help to reduce the amount of dust, pollen, and other allergens in the air, as well as the number of harmful bacteria. They can also help to improve the efficiency of your HVAC system. In addition, filters can help to protect your system from corrosion and damage.

If you need an HVAC filter, contact a contractor or HVAC specialist to help you find the best option for your home.


It can be tough to know what HVAC filters to use regularly, as each home is unique and requires a different type of filter. However, following these three simple rules ensures that your home stays in good condition and retains energy efficiency. First, always use the correct size filter – this will depend on your furnace and air conditioning unit size. Second, changing your filters regularly – every six months is usually a good rule. And finally, test your filters – if any unusual smells or noises are coming from your HVAC system, it might be time to replace one or more of your filters!


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