Selecting the right air filter for your HVAC system is crucial for enhancing and maintaining optimal indoor air quality. That’s why we are sharing some quick tips to help you make the best choice for your home.
1. Understand MERV ratings: The Minimum Efficiency Reporting Value (MERV) indicates the effectiveness of an air filter. Higher MERV ratings mean better filtration, but they can also restrict airflow. We suggest selecting a filter with an MERV rating between 9-12 for newer HVAC units and 5-8 for units older than 2010. Avoid MERV ratings above 13 to prevent overworking to push air through, freezing of the coils, system short cycling, or system failure.
2. Consider your specific needs: If you have allergies or asthma, opt for a more powerful filter designed to capture allergens like pollen, pet dander, and dust mites. HEPA (High-Efficiency Particulate Air) filters can trap smaller particles than standard filters.
3. Choose the right size: Air filters come in various sizes, so make sure to select one that fits your HVAC system. Using the wrong size filter can lead to inefficiency and air leaks.
Always take into consideration the prevalence of air pollutants in your home such as smoke, pet dander, and pollen, as well as the age of your HVAC system to determine how often you should replace your air filter. With that in mind, as a general rule of thumb, aim to replace your filter every 2-3 months.
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