gaining cleaner air in homes. - home air cleaner

Indoor air pollution is a global concern, especially in developing countries. indoor air pollution is one of the biggest environmental health risks.
Usually, the most effective way to control or reduce indoor contaminants is to ventilate the indoor space with outdoor fresh air.
This is feasible in many cities in the United States and Western Europe where the air is relatively clean;
However, indoor ventilation only makes things worse when outdoor air is polluted.
What is the cause of air pollution?
The reasons are diverse and complex depending on the source.
Some are obvious, such as particles in the exhaust gas of diesel cars, while others are invisible, such as steam or gases such as ozone.
Local industries, cars, heating, wildfires, intentional incineration and sandstorms are all outdoor sources of air pollution.
Indoor sources include tobacco smoke;
Gas released from building materials and furniture;
Products such as paints, adhesives, dyes, solvents, caulkers, cleaners, deodorant, wax, hobby and process materials, and pesticides.
Even cooking releases organic compounds into the air.
Controlling source, ventilation and air filtration are the three main means to reduce indoor air pollution.
SOURCE control can eliminate or reduce emissions, often the most effective way to control contaminants.
Many sources in the home can be controlled or removed.
Avoid pressing, for example-
Wood products because they can release formaldehyde as a gas.
In addition, smokers are required to smoke outdoors.
Ventilation for air exchange inside and outside the building can also reduce indoor air pollutants.
When the outdoor air quality is good, the introduction of outdoor air is important for good air quality, because the addition of outdoor air can prevent the accumulation of indoor air pollutants.
In addition, exhaust fans in the bathroom and kitchen can effectively remove excess moisture and local contaminants.
When used with source control and ventilation, it may be helpful to filter the air.
Centralized ventilation system or portable room air purifier can reduce particles in indoor air such as smoke, dandruff and allergens, which may be the only option when outdoor air is contaminated and there is no central ventilation system
Before purchasing a portable air purifier, consider that its effectiveness depends on its efficiency in removing air pollutants, the amount of air filtered, and the size of the room and the location of the air purifier.
Clean Air Delivery Rate (CADR)
Association of Home Appliance Manufacturers (AHAM)
It is a measure of this effectiveness.
AHAM has a portable air purifier certification program and lists all certified air purifiers and their CADR values on its website.
Some air purifiers can also be evaluated by independent agencies, such as Consumer Reports.
The number of air purifiers needed for a room depends on the volume of the room, the CADR of the air purifiers, and the leakage of windows and doors to the building.
In severe outdoor pollution conditions, four to five air changes per hour are preferred based on CADR.
Alternatively, providing an air purifier for each occupied bedroom and an air purifier for the living room or family room is a good rule of thumb.
More than one unit may be required if the room is large.
If you only have air purifiers in a few rooms, put them in the sleeping area.
Their manufacturers generally recommend using one unit per designated building area, assuming a ceiling height of about 10 feet.
In overseas positions where air pollution is particularly seriousS.
Guest room air purifiers are available at embassies and consulates.
When you buy a room air purifier for your own use, here are some factors to consider: * The cost of purchasing and maintaining (e. g.
, Replace the filter)forthe CADR. * A high-efficiency (HEPA)
Filter, most effective when collecting particles.
* Good airflow, because the higher the CADR, the less room air purifiers may be needed.
* Noise, especially when the device is in the highest setting.
* Energy efficiency--
Find Energy Star [R]designation.
* Zero ozone emissions, as ozone is produced using the air purifier of the ion generator, a lung stimulating substance.
* Replaceable filters because the performance of cleanable electrostatic boards and filters is often poor.
While completely eliminating air contaminants can be beyond your control, there are many things you can do to improve the air quality in your home.