Montana State University Integrated Design Lab - Ventilation Requirements for Residential Buildings in Cold Climates

Proper ventilation is essential in ensuring appropriate Indoor Air Quality (IAQ) in residential buildings and is an important consideration for the health and productivity of its occupants. Typical methods of mitigation, such as introducing fresh air into the space, can come with energy penalties, especially in cold climates. Given this, ventilation requirements in building codes should be reconsidered.

Alternative to bringing in fresh air is to recirculate air, but to date there has been no substantial research that evaluates the performance of recirculation technologies under extreme cold climate conditions and the impact on IAQ.

This session will review a recent study that tested a combination of mechanical ventilation and air-cleaning devices in residential buildings located in cold climates and subsequent impacts to IAQ and energy efficiency.

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