The Environmental Protection Agency has released updated guidance for indoor air quality standards that every Pacific Northwest homeowner should know about.
Key Changes in 2025 Guidelines
The new standards focus on three primary areas: particulate matter filtration, ventilation rates, and carbon dioxide monitoring in residential buildings.
For homes in the Seattle area, these changes mean upgrading to MERV 13 or higher filters could become the recommended minimum rather than MERV 8.
What This Means for You
If you’re running older HVAC equipment, now might be the time to consider an upgrade. The new guidelines emphasize that proper filtration combined with adequate ventilation can reduce indoor pollution by up to 70%.
Local HVAC contractors are reporting increased interest in air quality assessments since the announcement.
Stay tuned for more updates on air quality regulations affecting Northwest homes.
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