Source control
Reduce or remove known pollutant sources when possible. This is often the most direct first move.

A practical system for caring for the air inside the places where life happens, without pretending one filter can solve every indoor-air problem.
Put filtration on repeat
We track water, food, workouts, sleep, and recovery. Air is the input that never clocks out.
Air Wellness makes indoor-air care practical: reduce known pollution sources, ventilate when conditions allow, and use filtration that fits the home. TRU makes the recurring filter-replacement part easier to keep on schedule.
U.S. EPA: Guide to Air Cleaners in the HomeReduce or remove known pollutant sources when possible. This is often the most direct first move.
Bring in outdoor air when local conditions, weather, and the home make it appropriate.
Use the highest-efficiency filter the HVAC system can accommodate, then replace it on an appropriate schedule.
A normal adult respiratory rate is commonly cited as 12-20 breaths per minute. Across 24 hours, that creates a broad estimate of 17,280-28,800 breaths. “Roughly 20,000” is a rounded estimate, not a fixed personal count.
NCBI Bookshelf: respiratory rate
For homes with a replaceable central-HVAC filter, TRU turns the maintenance task into a routine that is simple to start, easy to adjust, and harder to forget.
Build the habit