I'm looking for a very rough estimate on the installed cost of hydronic radiant floor heating vs. overhead radiant tube heaters. The space is a tractor trailer truck garage of about 9000 sf. I understand there are many variables left out but need a rough estimate to give a client. Natural gas...
We are working on an office building with a pitched roof structure. Split air handlers will be in attic. Main trunks thru/between attic trusses. Branch ducts will run hard in the attic and punch between trusses and thru the insulation(batts)where a short length of flex will connect to our...
Hello all,
I am on the design side of HVAC building systems. We have more and more customers desiring exposed structure and hence exposed ductwork. I tell them there is a price premium involved with spiral duct and double-wall but i don't know what the number is. Does anyone know the average...
We have a constant volume hvac system utilizing package rooftop equipment with a supply fan, no return fan, and an economizer. When the unit was installed the barometric relief was missing(not installed). The unit is set up to supply a minimum amount of outside air for ventilation. The space is...
I am designing a ventilation system for an 8000sf warehouse. Half of the space is used to pour and form concrete products and the other half is used for storing/drying the product. I have found recommendations that state 6-10 air changes per hour is adequate for industrial spaces. Are the air...
