Comments for DAC Sales

Comment on Project Snapshot: Lawrence Memorial Hospital | Custom Air Handling Unit by Nancy J Hillery

Nancy J Hillery — Tue, 21 Feb 2012 16:36:01 +0000

The 18″ high, 1/8″ aluminum curb with aluminum liner was provided by Conn-Fab. Requirement for an aluminum curb for a rooftop air handler is quite unusual. Curb was seismic-rated with stamped calcs.

Comment on Ask Rick: Why aren’t direct drive fans used on more applications? by Pat Will

Pat Will — Tue, 07 Feb 2012 14:27:32 +0000

In air-handling units, we almost always use direct drive SWSI plenum fans as opposed to DWDI centrifugal fans because: 1) they’re more efficient, 2) DWDI fans aren’t available in direct drive, 3) they take up less length (no diffusers required), and 4) they provide flexibility in distributing air from a pressurized plenum in any of up to 5 directions (top, bottom, either side, or end).

Comment on High Plume Dilution Fans | Online Selection For Lab Exhaust Fans by Erik App

Erik App — Tue, 31 Jan 2012 15:20:13 +0000

In addition to fan performance and sound information, Choosetristack will give professional users the ability to:
- Access Heat Recovery and Standard Tri-Stack system drawings in CAD and Revit format
- Model energy consumption of Tri-Stack systems
- Maximize system efficiency and lower overall energy consumption
- Access to Strobic Air Specifications for Energy Recovery and Standard Systems
- Access to other information such as the IOM, case studies, and the engineering guide

Comment on Ask Rick: Energy Recovery Wheels | Wheel off for Economizer? by Barb Morgan

Barb Morgan — Mon, 23 Jan 2012 14:32:14 +0000

Rick’s blog response is correct given our sequence. Dirt plugging media won’t take place in 99.9% of applications unless the wheel is idle for 2-3 weeks or more depending on the particulate in the RA.