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11-02-2012, 12:20 PM #1Regular Guest
- Join Date
- Oct 2012
Need education on Make-Up Air & Vent Hood
We are in the make-up air talking stages with our builder & I need some talking points to take with me when he & I discuss:
Our 4 burner gas range + make-up air in relation to the 600 CFM hood & Dehumidifcation.
So I think the current plans for the make-up in regards to the hood is something like this:
1) Passive makeup air duct rather than a powered makeup air unit.
2) Duct includes a motorized damper that is wired to come on simultaneously with the range-hood fan like Broan MD8T or Broan MD8TU (not sure differences)
3) Broan recommends installing an outdoor air duct connected to a grille mounted on the kitchen wall
3a) Connected directly to the return plenum of your furnace; the motorized damper is installed in the duct.
4) One 8-inch-diameter duct works for a range hood rated up to 1,000 cfm.
1) Which method is prefer #3 or 3a?
2) How does this play into the most cost efficient dehumidification strategy in the reports below (pgs. 8 of first link & pgs. 17 +48)?
11-04-2012, 01:35 AM #2Professional Member*
- Join Date
- Nov 2004
- SW FL
It's Not Rocket Science, But It is SCIENCE with "Some Art".
Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities