Indoor Air Quality

What are you breathing?

Controlling the Temperature and moisture content of your home is extremely
important in maintaining a healthy indoor environment.  Mold, radon, carbon
monoxide, and toxic chemicals exist in nearly all dwellings! The good news is that
Building Performance by Design can help you assess your current situation, through
our extensive energy audit, and find solutions to these  problems associated with
these potentially deadly toxins

According to the Environmental Protection Agency, poor indoor air quality contributes
to approximately 23 million people, including 6.8 million children. 12 million people
report having an asthma attack in the past year. Asthma accounts for nearly 17
million physician office and hospital visits, and nearly 2 million emergency
department visits each year"  

Mold and Mildew

Molds can be found virtually anywhere, on most organic substances. Moisture, and
oxygen, fuel mold growth as well as dark areas. Certain types of molds grow on
wood, paper, carpet, foods, and insulation. Mold can even be found throughout
fiberglass insulation. It is common to find mold like substances on fiberglass
insulation located in the rim and band joists, attic, and walls.   It is impossible to
eliminate all mold and mold spores in the indoor environment. However, mold
growth can be controlled indoors by controlling moisture indoors
. Having properly
vented, insulated bathroom and kitchen fans, can drastically reduce your chance for
developing mold and mildew issues. A common mistake that diy make is that


Humidity not only contributes to potential mold and mildew growth, but it can also
affect our comfort level. Ever notice when your windows condensate within your
home, that the air feels heavier and it's harder to breathe? Ever listen to your air
conditioner running longer during rainy days to reduce the moisture out of your

When humidity/excessive moisture accumulates in buildings or on building
materials, mold growth will often occur, putting you and your family at risk.

How biological contaminants  and moisture are transported
through the house.

Infiltration, and exfiltration  is a common
cause of biological contaminates and
moisture transported through your home.
Warm air rises and escapes through
cracks near the ceiling, and cold air
enters enters the basement, replacing
the air that has been lost. A common
misconception is that the basement
does not need to be insulated.

The rim and band joist located in your basement often contains water pipe
penetrations, that are usually not properly sealed to the outside. Along with these
penetrations, there are electrical chases, furnace plenum, and empty wall cavities
that allow air to move freely throughout the home, carrying contaminants through  
your dwelling.

Proper amount of Ventilation

To maintain a healthy home, calculations must be made to ensure that your home
has the right amount of natural air according to BAS standards. Our team has over 30
years of experience, licensed, and insured. Your home will be insulated and air
sealed correctly and more importantly, safely.
Indoor Air
Building Performance
by Design
"Your energy conservation experts"
Products We Manufacture and Install
Kill A Watt Saver
Thermaltite Storm Windows
Air Balancing
Air Sealing

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2051 S. Huron Rd.
Kawkawlin, MI