FAQ

Frequently Asked Questions

Navigating air filtration solutions comes with questions and uncertainties. With these Frequently Asked Questions (FAQs), we’ll provide clear and concise answers to common inquiries. Whether you’re seeking guidance on filter maintenance, differences between filter types, or understanding MERV ratings, our FAQs help you make informed decisions about your air filtration needs. Explore our answers to understand what’s necessary for optimal air quality and efficiency in your space.

The frequency of replacing commercial HVAC filters depends on factors such as the type of filter used, the environment in which it operates, and usage level. Generally, it’s recommended to replace commercial air filters every 1 to 3 months for standard capacity filters while high-capacity filters may last longer in typical office settings. However, if you’re using standard -capacity filters or the environment has higher levels of pollutants (such as in manufacturing facilities or healthcare settings), you may need to replace them more frequently, up to every few weeks.

Regularly checking the filters for dirt and pressure drops can also help you determine when they need to be replaced. Keeping a maintenance schedule will ensure optimal air quality and efficiency in your commercial space.

To determine when air filters need to be replaced, consider the following guidelines:

  1. Check your filters regularly for visible dirt or dust buildup. If they appear clogged or heavily soiled, it’s time to replace them.
  2. Many systems have a pressure gauge that measures the airflow through the filter. If you notice a significant pressure drop, it’s a sign that the filter is obstructed and needs to be changed.
  3. Follow the manufacturer’s recommendations for replacement frequency. Standard-capacity filters should generally be replaced every 1 to 3 months, while high-capacity filters may last longer.
  4. In environments with higher levels of pollutants (such as manufacturing facilities or healthcare settings), filters may need to be replaced more frequently, sometimes every few weeks.
  5. If individuals in the space experience worsening allergy symptoms, this may indicate that the filters are not effectively capturing air pollutants, suggesting the need for replacement.
  6. Consider checking and replacing filters more often during heavy pollen seasons or in regions with significant air particulates.

High-capacity filters and standard-capacity filters differ mainly in their design and the effectiveness with which they capture airborne particles. High-capacity filters have more media area them standard capacity allowing the high capacity to hold more dust and debris particles than standard filters. They often last longer in areas with high pollution or in places that need better air quality, like factories and hospitals. High-capacity filters usually have a higher MERV (Minimum Efficiency Reporting Value) rating, indicating they filter more effectively.

Standard capacity filters tend to be thinner and less dense. They work well in typical office settings or places with fewer airborne contaminants. However, these filters must be changed more often because they fill up quickly. While they can capture larger particles, they’re generally less efficient at capturing smaller ones, like dust mites and pollen, than high-capacity filters.

A MERV (Minimum Efficiency Reporting Value) filtration rating is a standard that measures the effectiveness of air filters in capturing particles of different sizes. This rating, developed by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE), ranges from 1 to 20, with higher values indicating a greater ability to trap smaller particles.

Filters with a MERV rating of 1-4 are typically used in residential settings and can capture larger particles such as dust and pollen. Filters rated 5-8 are generally effective for residential and commercial use, while those rated 9-16 can significantly improve air quality in environments such as schools and hospitals. Filters with ratings of 17-20 are often used in medical facilities and clean rooms, where high filtration is crucial. It’s important to use the MERV rated filter that’s appropriate for your setting and system, though, because a too-high filter can restrict airflow and damage your HVAC system.

A High-Efficiency Particulate Air (HEPA) filter is designed to trap many tiny particles that other filters might miss. To qualify as a HEPA filter, it must meet specific standards set by the U.S. Department of Energy, which require it to capture at least 99.97% of particles that are 0.3 microns in diameter. These filters are highly effective at removing allergens, dust, pollen, pet dander, smoke, and mold spores from the air. They are popular for use in environments where clean air is crucial, such as hospitals and laboratories, particularly for individuals with allergies or respiratory issues.

Pleated filters are commonly made from paper, cotton, or polyester. They feature carefully folded surfaces that significantly expand the filtering area. This thoughtful design enhances their ability to capture dust and other airborne particles, improving dust-holding capacity. The increased surface area allows optimal airflow, ensuring air can pass through the filter with minimal resistance while effectively trapping unwanted contaminants.

A carbon filter utilizes activated carbon to remove impurities and contaminants. Activated carbon is a form of carbon processed to create a porous structure, increasing its surface area and enhancing its adsorption properties. Carbon filters are commonly used in air filtration systems to eliminate odors, chemical vapors, and volatile organic compounds (VOCs). They work by trapping these substances in the pores of the activated carbon, effectively improving air quality.

Air filters are crucial for maintaining a clean, healthy indoor environment by effectively trapping dust, pollen, mold spores, and other airborne particles. They help enhance the air quality we breathe, promoting better health and well-being. We offer a diverse range of filters tailored to specific applications. Whether you need to eliminate unpleasant odors and harmful gases, capture paint overspray, or filter out pathogens and grease, we have specialized solutions to your unique needs.

Diversified Air offers fast, reliable delivery in the local Twin Cities area and quality shipping to all our customers. When you place an order, talk with a team member today about your delivery needs and timelines.

Talk to Our Team

If you have more questions or need help finding the best air filtration solutions and filters, please connect with us using our contact form or call our office. We serve numerous industries across Minnesota and the Midwest, from medical facilities to entertainment venues to Fortune 500 companies and more. Contact our team to receive prompt, personalized support to meet your company’s needs!