SampleEAReport2 16 | Biblioteca motores watercop

PROCEDURE:

these bypasses can introduce pollutants into the living space and compromise indoor air

BASEBOARDS:

infiltration can offset the controlled indoor temperature and cause the HVAC equipment

SPACE:

to run longer, thus using more energy. These photos represent the difference between

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BUILDING ENVELOPE THERMAL BARRIER

hallway baseboards show signs of air infiltration

In addition to increased energy use,

The blower door is placed into the an exterior entry door. The fan is set to draw air out of

the building envelope. During extreme temperature variant weather conditions, this air

DISCRIPTION

building through the blower door fan, air infiltrates from the outside through leak sites in

MAIN LEVEL EXTERIOR WALLS

indoor surface temperatures and air infiltration temperatures. The greater the difference

note heat generated to the living space by the missing insulation in the attic

MAIN LEVEL INTERIOR WALLS

75 degrees F

BLOWER DOOR & THERMOGRAPHY

OUTSIDE TEMP =

INSIDE TEMP =

the building at a rate where the living space pressure is negative down to 50 pascal. All

KNEEWALLS TO ATTIC

between indoor and outside temperatures are, the greater negative effect these airflow

quality

88 degrees F

bypasses will collectively have on energy use.

other exterior doors and windows are closed. As living space air is drawn out of the