Air purifier filters are not always
answer to air quality problems. Solving
problem is a much better approach than masking
symptom.
The following are
basic approaches to improve indoor air quality;
1) Eliminate or control
pollutant source. 2) Dilution of
contaminants through ventilation. 3) Removal or reduction of
contaminants through filtration or purification with
use of air purifier filters or air purifiers. Proper ventilation in a building is a must!
Before
energy crunch in
1970's, fresh air in buildings was not really an issue. When energy costs started to rise, we started making our buildings more energy efficient with better insulation and sealing techniques that made
building tighter, reducing
amount of fresh air into
buildings and increasing indoor pollution.
After indoor air quality issues came to
surface, we learned how to reduce energy costs while not compromising
health of
occupants, through
practice of building science.
Great strides have been made in this area, leading to more comfortable, healthier, safer homes.
The goal of good ventilation is to bring in
right amount of fresh air, not too much or not too little.
This is accomplished by using mechanical ventilation (exhaust fans, energy recovery units, etc.) that are sized to
volume of
house and/or according to lifestyle.
Mechanical ventilation not only dilutes contaminants but also removes excess moisture that can become a mold problem if not properly addressed.
Moisture can show up as high humidity (under-ventilated bathrooms, indoor pools or hot tubs and very tight homes) or water that enters a building either from
outside (rainwater) or from undetected plumbing leaks. Addressing these problems using
right approach, elimination or control of
source (in this case repair
leak from
outside or finding and repairing
plumbing leak) makes more sense than trying to rid
mold with air purifier filters or air purifiers.