Major Contributing Factors That Affect Indoor Air Quality

Today, indoor air quality (IAQ) is an importantand polypropylene (olefin) fabric backing.
environmental consideration. Because we spendThere are many sources of indoor air pollution in
approximately 90 percent of our time indoors, weany home. These include combustion sources such
must do everything possible to improve the airas oil, gas, kerosene, coal, wood, and tobacco
we breathe. During the energy crisis of the '70s,products; building materials and furnishings as
Americans began to tightly close their workplacesdiverse as deteriorated, asbestos-containing
and homes in order to conserve energyinsulation, wet or damp carpet, and cabinetry or
resources. Currently, many families have bothfurniture made of certain pressed wood products;
parents working, with less cleaning time in theproducts for household cleaning and maintenance,
home. Ventilation and cleanliness play importantpersonal care, or hobbies; central heating and
parts in maintaining good air quality; although, thecooling systems and humidification devices; and
indoor environment is impacted by many factors.outdoor sources such as radon, pesticides, and
Among the factors that may impact the qualityoutdoor air pollution.
of the indoor air in your home is the air drawnThe relative importance of any single source
from outside through an air conditioning unit. Otherdepends on how much of a given pollutant it
factors may be tobacco smoke, radon, andemits and how hazardous those emissions are. In
cooking odors, as well as renovating andsome cases, factors such as how old the source
redecorating products, such as wallpaper, furnitureis and whether it is properly maintained are
and cabinetry, carpet, paints, varnishes, particlesignificant. For example, an improperly adjusted
board, wood finishes, caulking, and adhesives.gas stove can emit significantly more carbon
There are many sources of indoor air pollution inmonoxide than one that is properly adjusted.
any home. Additional items include combustionSome sources, such as building materials,
sources such as oil, gas, kerosene, coal, andfurnishings, and household products like air
wood. Building materials and furnishings as diversefresheners, release pollutants more or less
as deteriorated, asbestos-containing insulation, wetcontinuously. Other sources, related to activities
or damp carpet, and cabinetry or furniture madecarried out in the home, release pollutants
of certain pressed wood products. Included areintermittently. These include smoking, the use of
products for household cleaning and maintenance,un-vented or malfunctioning stoves, furnaces, or
personal care, or hobbies. Add central heating andspace heaters, the use of solvents in cleaning and
cooling systems and humidification devices; andhobby activities, the use of paint strippers in
outdoor sources such as radon, pesticides, andredecorating activities, and the use of cleaning
outdoor air pollution. Interior products in the homeproducts and pesticides in housekeeping. High
have the potential to impact the indoor airpollutant concentrations can remain in the air for
because they emit volatile organic compounds intolong periods after some of these activities.
the air. The quality of indoor air also involvesCommon Factors That Affect IAQ:
cleaning materials, building materials, ductsPeople (exhalation, body odors, diseases)
transmitting heat and air conditioning, activities inActivities (work such as cleaning, using correction
the building, people, pets, and furnishings.fluids, carbonless paper, pest control products, and
You must look at the whole picture. Cleaningpersonal activities such as wear fragrances and
products used in the home, as well as interiorsmoking)
furnishings, should be low VOC (volatile organicTechnology (photocopiers and laser printers)
compounds) emitters, with emissions, sometimesFurnishings (furniture, draperies, floor coverings)
improperly called off-gassing, that dissipate quickly.Finishes (paint, varnish, vinyl wall coverings)
Scientific studies have demonstrated that newBuilding materials (caulking compounds, adhesives,
carpet is one of the lowest emitters of VOCswood laminates)
into the indoor environment and that theseOutdoor Air Quality
emissions dissipate very quickly. The low-levelInadequate or contaminated air handling units
VOC emissions and the harmless odor from newInadequate cleaning practices
carpet dissipate within the first 48 to 72 hoursTake a close look at this list. If you feel you are
after installation. Carpet has not posed any healthsuffering from Inadequate Indoor Air Quality, you
problems for millions of users. Carpet is mademay find the remedy right here.
primarily of the same innocuous materials found inHere are some aditional sites that have quality
clothing and other everyday fabrics; i.e., polyester,information about air conditioning, a major
nylon, and olefin fibers, latex (synthetic rubber),contributor to better air quality...