This RDH Technical Bulletin covers design strategies for ventilation in multi-unit residential buildings.
Ventilation in multi-unit residential buildings (MURBs) is typically provided by a pressurized corridor system. This method uses a common make-up air unit to provide air to the corridors of each floor and create a positively pressurized space. The intent of the design is for the air from the corridors to pass through the suites to the exterior driven by this pressure difference and the use of exhaust fans. Though this system design is pervasive throughout North America, there is considerable evidence that the ventilation design does not perform as intended, resulting in poor indoor air quality and occupant comfort complaints.
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How to reference this bulletin:
Air Quality in Multi-Unit Residential Buildings, RDH Technical Bulletin No. 009. RDH Building Science Inc., August 2015. https://learnbuildingscience.com/products/rdh-bulletin-air-quality-in-multi-unit-residential-buildings.