Should I Use a Merv 13 Filter for Better Indoor Air Quality?

Whether you should use a MERV 13 filter depends on your specific air quality needs and your HVAC system’s capabilities.

For most Colorado Springs homes, a MERV 13 filter is considered the ideal middle ground for improving indoor air quality. It effectively captures at least 90% of particles between 1 and 3 microns, including:

• Household dust and pollen
• Mold spores and pet dander
• Some virus carriers and smoke

Key Considerations:

• System Compatibility: While MERV 13 filters are safe for most modern residential systems, they do introduce more resistance than standard filters. This is known as HVAC static pressure. If the static pressure rating is above 0.5 inches of water column, it may strain older equipment.
• Maintenance: To maintain system efficiency and protect your blower motor, these filters should typically be replaced every 6 to 12 months, or as frequently as every 90 days depending on home conditions.
• Health Needs: If someone in your home suffers from severe allergies or asthma, you might consider a whole house HEPA filtration system instead. While more expensive and requiring a professional assessment due to high airflow resistance, HEPA filters capture 99.97% of particles down to 0.3 microns.

Ultimately, a professional assessment is recommended to ensure a MERV 13 upgrade won’t negatively impact your system’s performance or energy consumption.