Intake and Exhaust Hoods for HRV
Hi
I'm going to do a duct work for HRV install and I was wondering what type of hoods should I use
There is this type
Louvered Vent Hood with Metal Screen for exhaust
http://www.imperialgroup.ca/generalventing.cfm?c=217
And Intake Hood with Metal Screen
http://www.imperialgroup.ca/generalventing.cfm?c=213
The problem that I can think about with them is that on intake there is no dumper to close when not in use
The second type is something like this http://www.imperialgroup.ca/generalventing.cfm?c=226
In this one I'm not sure if the fact that its pointing down will not block too much air flow
Also there is a dumper on the intake and I'm again not sure how much it will affect the air flow
Since the dumpers are not so accessible from outside I'm also a bit concerned they might freeze and I wont be able to see it and do anything about it
I'm going to do a duct work for HRV install and I was wondering what type of hoods should I use
There is this type
Louvered Vent Hood with Metal Screen for exhaust
http://www.imperialgroup.ca/generalventing.cfm?c=217
And Intake Hood with Metal Screen
http://www.imperialgroup.ca/generalventing.cfm?c=213
The problem that I can think about with them is that on intake there is no dumper to close when not in use
The second type is something like this http://www.imperialgroup.ca/generalventing.cfm?c=226
In this one I'm not sure if the fact that its pointing down will not block too much air flow
Also there is a dumper on the intake and I'm again not sure how much it will affect the air flow
Since the dumpers are not so accessible from outside I'm also a bit concerned they might freeze and I wont be able to see it and do anything about it
