Give-A-Sh**-ology Blog
Want Better Room Acoustic Performance?
It doesn’t have to be expensive – you just have to know the data… The challenge: Design the conference room for NC20 with 1500 cfm and a 12” terminal box. If you go to the Price terminal box page, at 1500 cfm, a 12” terminal box will provide a discharge NC of 26...
How much outside air is coming through the rooftop unit?
There isn’t any place to run straight duct … Two suggested methods to get that information: From Lennox Lennox offers a single point outside air flow sensor with their Energence series units. The input ties into their Lennox’s Prodigy...
How tight do rooftop discharge air controls need to be?
It seems a lot of attention is being made of tight control systems relating to rooftop units. There are slick devices available that can help you control the discharge air conditions. Before you commit the client’s money to that technology, consider the net result...
Do You Have An Industrial Ventilation “Guy”?
If you work in the industrial ventilation arena once a year or every day, consider having the folks at Air Flow give you a hand with product, design recommendations, safety, and energy consideration. We’re here to help!
Can you Turn Down your DOAS System?
Many projects require tight control of ventilation air when coupled with distributed equipment such as fan coils, active chilled beams, VRF units, and heat pumps. Limiting and controlling ventilation is a key to the energy impact of the system. Many DOAS systems...




