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Infrared Thermography
Infrared thermography can be used in home energy consulting to identify anomalies in building construction. The infrared camera works by measuring the surface temperature of an object and converting that temperature into a colour. The result is an image that shows how much heat the object is emitting. An infrared camera can identify exact spots of air leakage, missing pockets of insulation and effectiveness of insulation.

Use of Infrared Thermography with Draft Test
Currently, we are using infrared testing only for locating drafts/air leakage. For a draft test, we use a blower door to depressurize a house and accentuate the movement of air into the house. There are three ways to detect that air infiltration (listed in order of effectiveness):

 
1.  Sense on touch: using the hand to detect movement of air from the outside.

2.  Chemical smoke:a small pencilshaped device generates a thin plume of smoke. When the smoke is introduced to a suspected leaky area, a change in direction of the smoke indicates a draft.
 
3. 

Infrared thermography:looking through the viewfinder of an infrared (IR) camera, the exact location of drafts can be pinpointed. Unlike smoke and hand tests, IR will identify all the leaks in the camera’s field of view. Infrared can only be done in winter when the outside temperature is below zero degrees Celsius.
 

 

 

What is the cost?
When conducted at the same time as the
ecoENERGY assessment (initial or follow-up),
we charge an additional $50 to locate drafts
with the infrared camera.

A CD with paired digital and infrared pictures
costs an additional $25.