heat pump system?
I want to attempt it, but the principal (Owner) is not willing to guinea pig, and wants me to find other successfull installations first.
Essentially I want to "borrow" water from a domestic main, run it thru a plate and frame HX and re-inject it back into the main at a point...
In the recesses of my brain, I recall there being a minimum number of pipe diameters length that a decoupler should be. Can anyone refresh my memory, and/or remind me where that guideline can be found?
TIA
Jabba
I am working on a 7 story mixed use building, including residential apartments and condos as well as retail and office space. I am getting pressure to combine the residential kitchen hood exhaust with the restroom exhaust. The plan is for a combined exhaust system with an exhaust fan at it's...
None of the manufactures that I can find have any data on it. I am designing multiple tall shafts to exhaust large volumes of air from an underground parking garage. The shafts will be between 95' and 150' tall. The owner wants sidewalk type grates installed in multiple levels of this shaft...
Just digging into this. Can't convince the architect NOT to do it. There seems to be some misunderstanding about what's required. The way I read the code, I need to provide enough ventilation air to the stairwell to provide .05" - .15" in the stairwell even when "X" number of doors are open...
