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Air quality
Ventilation, humidity, filtration and wildfire smoke inside the home.
Latest
Explainer
Can my HVAC system handle a MERV 13 filter?
EPA recommends MERV 13 for home heating and cooling systems. What it catches, when a system can take it, and how to fit and change it.
2 min read
Explainer
How do I keep wildfire smoke out of my home?
EPA's guidance on HVAC settings, filters, portable air cleaners and a clean room, turned into steps you can take before and during a smoke event.
5 min read