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6 Tips For Cleaning Or Changing Your HVAC Filters

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As a homeowner, it’s essential to ensure that your HVAC system runs efficiently and effectively to maintain comfortable indoor temperatures all year round. The air filter is a critical HVAC system component that requires regular maintenance. HVAC filters trap pollutants, allergens, and dust particles in the air, preventing them from circulating through your home. However, filters can become clogged over time, reducing the system’s efficiency and leading to costly repairs.

To ensure your HVAC system operates optimally, here are six tips for cleaning or changing your HVAC filters.

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1. Know Your Filter Type

Before you can properly maintain your HVAC filter, it’s important to know the type of filter you have installed. Filters come in different sizes, styles, and ratings, each with unique cleaning and replacement schedules. The three main types of filters are disposable, washable, and high-efficiency.

Disposable filters are the most common and affordable type of HVAC filter. As the name suggests, these filters are designed to be replaced when they become clogged, usually every one to three months. Disposable filters are typically made of fiberglass or synthetic materials and have a MERV (Minimum Efficiency Reporting Value) rating of 1-4. Washable filters, also known as reusable filters, are made of materials that can be cleaned and used again. They can be more expensive upfront but save money in the long run since they can be washed multiple times. They have a MERV rating of 1-4 as well.

High-efficiency filters are designed to capture smaller particles and provide improved air quality. They have a MERV rating of 9-16.


2. Consider Upgrading Your Filter

If you’re looking to improve your indoor air quality, upgrading to a higher MERV-rated filter may be a good option. MERV ratings range from 1-16, with higher ratings indicating higher particle capture efficiency. MERV 10 Air Filters help improve air quality, as they effectively capture airborne particles, including pollen, pet dander, and mold spores.

In addition to improved air quality, upgrading to a MERV 10 air filter can save you money in the long run. These filters require less frequent replacement than lower-rated filters, saving you money on replacement costs and reducing waste. These filters perfectly balance particle capture efficiency and airflow resistance, making them a popular choice.


3. Check the Filter Monthly

To ensure your HVAC system operates efficiently and effectively, you should check your filter for dirt buildup every month. A clogged filter can restrict airflow and cause the system to work harder, resulting in higher energy bills and costly repairs. According to studies, a dirty air filter can consume up to 15% more energy.

To check your filter, locate the filter compartment, which is typically located near the air handler or furnace. Before removing the filter, turn off the HVAC system to prevent any debris or dust from entering the system. Depending on your system, you may need to unscrew a panel or simply slide the filter out of its slot. Hold the filter up to the light to check for dirt buildup. If the filter is visibly dirty or has been used for over three months, it’s time to clean or replace it.


4. Clean or Replace as Necessary

If you have a washable filter, follow the manufacturer’s instructions for cleaning. Typically, this involves rinsing the filter with water and allowing it to dry completely before reinserting it into the compartment. Avoid using cleaning solutions or brushes that can damage the filter’s surface.

If you have a disposable filter, simply replace it with a new filter of the same size and type. Be sure to dispose of the old filter properly, as it may contain dirt, debris, and other harmful pollutants. By cleaning or replacing your filter as necessary, you can ensure optimal indoor air quality and extend the life of your HVAC system.


5. Follow the Manufacturer’s Recommendations

Regarding HVAC filter maintenance, it’s important to follow the manufacturer’s recommendations for cleaning and replacement. These recommendations can vary depending on the type of filter, the MERV rating, the HVAC system, and indoor air quality.

The manufacturer’s recommendations typically include how often to replace or clean your HVAC filter. Following this frequency is important to ensure your system operates efficiently and maintains good indoor air quality. They may also include information about replacement parts, such as the type of filter to use or the specific brand or model of replacement parts that are compatible with your system. If you’re unsure about the manufacturer’s recommendations, consult the owner’s manual or contact the manufacturer for guidance.


6. Hire a Professional

When it comes to HVAC filter maintenance, the homeowner can do some tasks, such as cleaning or replacing the filter. However, there are other tasks that should be left to a professional HVAC technician.

For instance, If you have a complex HVAC system, such as a commercial system or a system with multiple zones, it’s best to hire a professional for filter maintenance. They have the knowledge and experience to ensure your system operates at peak efficiency. In addition, If your HVAC system is located in a difficult-to-access area, such as a crawl space or attic, it’s necessary to hire a professional to avoid any safety concerns. They have the proper equipment and training to work safely in these spaces.



HVAC filters are critical in maintaining good indoor air quality and ensuring your HVAC system operates at peak efficiency. By following these tips for cleaning or changing your HVAC filters, you can prolong the life of your system, reduce energy costs, and improve the air you breathe. Remember to know your filter type, consider upgrading your filter, check it monthly, clean or replace it as necessary, and follow the manufacturer’s recommendations. If you’re unsure about any of these tips or have a complex HVAC system, it’s best to hire a professional HVAC technician for maintenance.







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