Do make up air units cool?
Standard make-up air units are designed to provide a building with tempered fresh air, both heated and cooled, to offset air that is exhausted by other mechanical means.
What size make up air do I need?
800 CFM would require a minimum vent size of 7” but most professionals would use an 8” or 10” vent to increase the efficiency of the hood vent. So, if you use an 8” duct above your range, then you need to bring in a minimum of 8” of “make-up air”.
What is the purpose of a make up air unit?
Make-Up Air units are designed to replace exhaust air by bringing in fresh outdoor air into the space and heating or cooling it to the desired condition and discharge the conditioned or tempered air into the building.
Is make up air necessary?
In the US, the construction industry has long recognized the need for adequate makeup air for exhaust systems. Beginning in 2009 and in every version since, the International Residential Code (IRC) has required that makeup air be provided for kitchen hood exhaust systems with capacity of 400 cfm or greater.
Why do commercial kitchens need make up air units?
A very noticeable benefit of having a make-up air system to create balanced air pressure for your restaurant or commercial kitchen is that it helps to minimize the presence of smoke, odors, and stuffy, stale air. This is due to the fact that it helps both the vent hood exhaust and the HVAC work at optimal levels.
Do make up air units have filters?
In order to do this effectively and efficiently, your makeup air makeup air supply unit needs proper filtration. Makeup air units work continuously to provide a steady stream of fresh air. Using EZ Kleen air filters is one of the easiest ways to ensure that the air you bring in is clean.
What is the difference between a 100% outdoor air unit and a makeup air unit?
These units which are smaller, may also be referred to as blower coils, or fan oil units. Bigger air handlers, which are used to condition 100% of the outside air, and use zero re-circulated air, are known as a makeup air unit or MAU.
Does make up air duct need to be insulated?
If the duct surface in question is in an area where it is below the Dew Point then it needs to be insulated. Metal MUA ducts in a commercial kitchen may operate below the dew point so i would insulate it.
Does every room need a vent?
While it is a myth that air return grilles are required in each and every room in the house, it is definitely necessary to have more than one of these grilles installed at strategic places in the house. The most important place to have these would be the bedroom.