1200 Cfm Range Hood Makeup Air
Doesn t code only require make up air when the hood is over 400 cfm.
1200 cfm range hood makeup air. 1200 cfm is the sizing the manufacturer recommends. For more information on makeup air check out our article here. This amount of power is enough to pull out excess steam and strong odors from the kitchen.
It s unlikely that the dehumidifier introduces the high rates of airflow generally between 400 cfm and 1 200 cfm required as makeup air for a powerful range hood. The best cfm for a range hood the air movement or power for range hoods is measured in cubic feet per minute cfm. Commercial kitchens or households that do a lot of heavy cooking need to get a range hood with at least 350 cfm.
The most powerful exhaust appliance in most homes however is the kitchen range hood fan 160 cfm to 1200 cfm. You use your high cfm range hood often. It s hard to generalize holladay replies.
Originally posted by beenthere few people are happy with a range hood exhausting 1200 cfm of air they paid to heat or cool. We don t sell makeup air kits but you can purchase one from amazon here. Although tightening up homes is a good way to make them more energy efficient builders need to remember that plugging air leaks makes it harder for air to enter a home.
That s tiny in comparison to todays 900 to 1200 cfm hoods. I understand that your manometer test showed a good impact from using the make up air duct but the energy penalty from bring in outside air doesn t seem worth it. You have a 1200 cfm kitchen range hood in a small kitchen.
Make up air is additional air that makes up for or replaces air that is being removed in your home room kitchen or other space by an exhaust fan or range hood. Your range hood pulls 1200 cfm you live in a small kitchen your kitchen is poorly ventilated your building codes require the use of a makeup air kit. According to the international residential code irc 2015 m1503 4 if you want to install a range hood with more than 400 cfm it s required to install a makeup air system which can move fresh air back into the kitchen at the same rate as the range hood can transport air out of the kitchen.