Guides A-Z

Guide describing airflow control strategies for elevator shafts, corridors, stairwells, and trash chutes in multifamily buildings.

Guide describing how to install back-draft dampers in exhaust fans to make a shared duct possible.

Guide describing how to install a bathroom exhaust fan to remove excess moisture.

Guide describing the bathroom exhaust fan ENERGY STAR rating requirements.

Guide describing correct ducting for exhaust fans.

Guide describing how to select low-sone supply and exhaust fans for quiet, continuous operation.

Guide describing how to install continuously operating exhaust fans.

Guide describing how to upgrade or expand an existing HVAC system.

Guide describing how to choose ENERGY STAR fans.

Guide describing how to install efficient kitchen exhaust systems.

Guide describing requirements and best practices for mechanical garage exhaust in multifamily buildings.

No outdoor air intakes connected to return side of the HVAC system, unless controls are installed to operate intermittently & automatically based on a timer and to restrict intake when not in use (e.g., motorized damper)

Guide describing how to correctly vent a clothes dryer.

Guide describing how to install ventilation air inlets in open locations at a safe distance from potential air contamination sources.

This guide presents central and individual dwelling unit ventilation and exhaust strategies for multifamily construction.

Guide describing how to select and install whole-house ventilation systems for existing homes.

This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.