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Never forget to change your home AC filters with Home Filter Club.’s subscription service protects your family’s health and your investment with filter deliveries for the products you need them, on the schedule you need them. Check it off your to-do list today!

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Air/HVAC filters are an important part of air conditioning systems and are used to clean and purify the air. Air filters trap airborne particles, such as dust, pollen, and other allergens, and can also help reduce odors and improve air quality. Regularly changing your HVAC filters is essential to help keep your air conditioning system working properly and efficiently. It can also help to reduce energy bills and improve the indoor air quality of your home or business. Air filters are usually found either in your furnace or in a return on your wall or ceiling. How many air filters your home has will depend on the type of system you have and how many floors you have in your home.
Can I utilize the same air filter for both heating and air conditioning?
Yes, air filters for both heating and air conditioning systems are interchangeable. They are essentially the same thing. We classify filters based on their intended usage to simplify the process of purchasing filters for customers. During the summer months, you may be more inclined to search for air conditioning filters, whereas during the colder winter months, you might be looking for furnace filters. A useful tip to remember when to change your filters is to replace them at the beginning of each new season.
In which direction should the air filter be placed?
Always align the arrow on the filter box with the direction of the airflow. If you are uncertain about the airflow direction, you can turn on the system fan to determine it. It is important not to remove the old filter before checking the airflow, as this could allow dirt or debris to escape.
What does the MERV rating of an air filter indicate?
The Minimum Efficiency Reporting Value (MERV) is a measurement used by manufacturers to indicate the efficiency of an air filter in trapping airborne particles. A higher MERV rating signifies cleaner air but may result in reduced airflow. For example, MERV 8 filters can capture 80% of airborne particles such as pollen, dust mites, mold spores, and pet dander, which are as small as 3 microns. On the other hand, MERV 11 air filters can capture up to 95% of the aforementioned airborne particles, down to a size of 1 micron. If you opt for a MERV 13 filter, expect significantly reduced airflow but improved filtration of bacteria, tobacco smoke, and cooking oil, even as small as 0.3 micron in size. Before selecting a specific MERV rating, it is advisable to consult your HVAC manufacturer to ensure compatibility with your system. Choosing the wrong filter can affect airflow and potentially reduce the lifespan of your equipment.
When should I replace the air filter in my home?
It is advisable to replace your air filters every three months. However, the frequency of replacement may vary depending on the air quality in your home. If you are uncertain about the indoor air quality, it is recommended to check the filter on a monthly basis. If you observe significant discoloration or noticeable dirt on the filter material, it's time to replace it. Failing to replace air filters as recommended can lead to reduced system efficiency, increased energy costs, and poor air quality.
Which air filter is most suitable for allergies?
If you suffer from respiratory issues caused by allergens like pollen, dust, mold, or pet dander, a MERV 11 filter can help alleviate the symptoms associated with allergies. For sensitivity to smoke from cooking or tobacco, it is recommended to use a MERV 13 filter. Many allergy sufferers find it beneficial to install filters for both the supply and return air. Before selecting a specific MERV rating, it is advisable to consult your HVAC manufacturer to ensure compatibility with your system. Choosing the wrong filter can impact airflow and reduce the lifespan of your equipment.
Which air filter is ideal for my home?
The choice of air filter depends on your specific needs. If you do not have pets and allergies are not a significant concern, MERV 8 filters are suitable. For occasional allergy sufferers and households with pets, MERV 11 filters are recommended. If allergies are a major concern or if there are tobacco smokers in the house, it is advisable to use a MERV 13 filter.
What is the manufacturing origin of the air filters?
Filtersfast brand air filters are proudly manufactured in the United States. However, the specific manufacturing location can vary between different companies. According to Country of Origin laws, most products produced outside of the United States are required to have labeling that indicates where they are made. This labeling should be visible on either the product itself or the packaging it comes in.
Do home air filters utilize electrostatic charging?
Yes, many air filter brands including Filtersfast, Filtrete, Carrier, and others use an electrostatically charged filter media. Fiberglass air filters are less common nowadays and were never intended to enhance air quality. Instead, they primarily serve to protect HVAC systems from large dirt and debris.

Why should you consider changing your Air Filter?

Regularly replacing your air filters can help prevent the accumulation of dirt and debris in your HVAC system. This accumulation can lead to more frequent maintenance and repairs. Additionally, changing the air filter improves airflow, reduces allergy and asthma symptoms, and enhances the overall efficiency of your system. By ensuring the system runs efficiently, it can also help lower energy costs.

It is recommended to change AC filters every 1-3 months. The frequency of replacement depends on factors such as the number of occupants, the presence of pets, and if anyone in the household has allergies or asthma. A good practice is to inspect furnace filters monthly and replace them when necessary.

Remembering the right size of air filter and when to change it can be challenging. To simplify this task, the Home Filter Club offers an air filter subscription program. After identifying the correct filter size, you can choose the desired delivery frequency, and the filters will be conveniently delivered to your doorstep exactly when you need them!

What types of pollutants exist in the air of my home?

The composition of air pollutants in your home can vary depending on various factors. Typical pollutants found in indoor air include dust, smoke, pet dander, mold spores, volatile organic compounds (VOCs), and other airborne particles. This highlights the significance of air filtration. Regularly replacing your air filter can help minimize the presence of these pollutants in your home, ultimately improving the air quality and promoting the well-being of your family.
To assist you in selecting the appropriate air filter for your home, the Minimum Efficiency Reporting Value (MERV) rating system was established. MERV provides information about the air filter’s efficiency in capturing different types of pollutants. A higher MERV rating indicates a greater ability to prevent contaminants from entering your HVAC unit. The commonly recommended MERV ratings for residential use are MERV 8, MERV 11, and MERV 13.

When choosing a MERV rating, it is important to consider the impact it may have on the airflow within your home. It is crucial to ensure that your Heating, Ventilation, and Air Conditioning (HVAC) system can handle the selected MERV rating. Sometimes, an excessively high MERV rating can lead to a “pressure drop” and strain the unit.

How can I determine the correct air filter size for my house?

It is crucial to have the correct filter size for your HVAC system, as there are various air filter sizes available. There are a couple of methods to determine the size you need. If you already have an existing filter, you may find the size printed along the edge of the filter. Alternatively, you can measure the length, width, and depth of the filter to identify the size.

If you encounter difficulty in finding the exact size based on your measurements, you can round the number to the closest size available. In cases where you are still unable to find the required air filter size, a custom air filter can be created for you to meet your specific needs.