01
Understand
Filtration captures particles. Ventilation dilutes carbon dioxide and many gases. They solve different problems, and a room may need one, both or neither.
I
Aria
Air
What enters the lungs, and what never should.
Indoor air is shaped by particles, combustion, materials, people and the rate at which outside air replaces what has accumulated.
02
Measure
Begin with context: room volume, occupancy and outdoor conditions. PM2.5 and CO₂ can reveal patterns; no single consumer sensor describes air quality completely.
03
Improve
Remove the source first. Ventilate when outdoor air is suitable. Match clean-air delivery to room volume when filtration is justified.
04
Explore products
Only after the condition is clear: Air-quality monitors, Particle filtration, HVAC filters, Fresh-air ventilation.
What you may notice
Less lingering odor, fewer visible particles and a room that does not become heavy with occupancy.
What technology cannot promise
A purifier does not remove CO₂, solve moisture or replace source control.
A checklist
Common indoor sources of VOCs
Volatile organic compounds come from everyday things. Walk the house with this list; reducing or ventilating sources does more than any device.
Cleaning and care
Finishes and repairs
Pressed wood
New furnishings
Everyday sources
Read further · Air
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Next element
Temperature