Humidity and Green Building 
Energy-Efficiency in Home Building

 

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Humidity 

Humidity is the amount of water vapor in the air. Although  air comes into your house with a certain amount of humidity, vapor also comes from many indoor places such things as cooking, washing dishes, bathing, and doing laundry.

Drafts can also affect the amount of vapor in the air so humidity problems are fairly common in older or less energy-efficient homes. 

Ideal Humidity

The ideal humidity level for your home is 45%.

Low Humidity

An indoor humidity level of less than 30% is too dry.

You will know your home's humidity is too low if static electricity is shocking you. Skin irritation and respiratory problems are other signs of low humidity.

Low humidity dries out the noses and throats of the home's residents. It causes scratchy dry throat, increased allergy symptoms, more frequent colds/infections, and even cracked fingers.

It also affects the wood in the home, which shrinks, often damaging trim, hardwood flooring, and even wood furniture.  Sheetrock and paneling may crack from low humidity.

Your home's heating system will lower your home's humidity. 

High Humidity

However, the reverse is true with a more energy-efficient home and a tighter envelope. The lack of air exchange of air coupled with humans and their activities can cause high indoor humidity.

Green Builders
972 251-1532 or 817 545-0140



The U.S. Department of Energy chose AndersonSargent as the
 
National 2006 Builder of the Year
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"Best
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"
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For more information about green building of your home with AndersonSargent, green building education, green renovation of your present home, comfortable and healthy homes, green building joint ventures, green building sales, or green building consulting, contact Terry Jensen at 972 251-1532 or 817 545-0140.

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