Asked by: Evarista Udiahome and garden indoor environmental quality
What is make up air damper?
Last Updated: 2nd March, 2020
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Also to know is, do I need a makeup air damper?
The real requirement is that makeup air must be provided if it's needed. If an exhaust fan rated over 300 cfm is installed, makeup air might be needed and a calculation will need to be done.
Also, what is a fresh air damper? Fresh Air Dampers (FAD) The Fresh Air Damper (FAD) is a 24VAC power-open, power-close motorized air damper designed for installation in a fresh air ventilation duct connected to an outdoor air intake hood and a duct fan or the HVAC return plenum, to control the flow of fresh air into the home.
Correspondingly, what is a make up air system?
Make-up air is designed to “make up” the air in your interior space that has been removed due to process exhaust fans. This type of HVAC solution pulls in fresh, tempered air from outside your building to replace existing air that cannot be recirculated.
Why is makeup air required?
of air per minute require makeup air so they don't depressurize the home and draw combustion gases from the appliance into the living space. Synopsis: Code expert Glenn Mathewson describes the requirements for makeup air when a kitchen exhaust is installed.