VEVOR 36" Commercial Indoor Air Curtain Super Power 2 Speeds 900CFM, Wall Mounted Air Curtains for Doors, Indoor Over Door Fan with Heavy Duty Limit Switch, Easy-Install 110V Unheated
It can be used in the bedroom; it only blows air and does not have a cooling function.
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Generally speaking, the length of the air curtain should be the same as the width of the door, and it can slightly exceed the door frame width. For example, a 46-inch-wide door can use a 48-inch air curtain.
We have double French doors, 36” wide each for a total of 72” wide. 99.9% we only use one door, if I buy the 36” will that work effectively on bugs and heat or for the fan need to extend beyond the width of the door we use? I see in your photos the fan above the double doors is smaller than the door width?