Use an infrared camera to detect heat loss
These specialized cameras can help detect problems areas in the building envelopeExterior components of a house that provide protection from colder (and warmer) outdoor temperatures and precipitation; includes the house foundation, framed exterior walls, roof or ceiling, and insulation, and air sealing materials..
Infrared cameras show differences in temperature in a wall or roof, helping builders pinpoint where heat losses are greatest. The images are valuable tools for identifying conductive heat loss, air leaks, and moisture problems. Interpreting infrared images requires training and experience.
Learn more in the Green Building Encyclopedia