by Abbie Stancato | Jan 22, 2015 | Electrical
The HVAC Industry offers end-user equipment operating with either single phase, or three phase electricity. We spec it every day, but what are the differences, and are there advantages. Electrical Phase Explained No Phase – DC Power Allow me to use a battery for...
by Abbie Stancato | Jun 18, 2014 | General
What Is A Multiple Speed HVAC Fan… Why Is It Needed? Multiple Speed HVAC fans… No, not like the above graphic of a condenser unit in desperate need to remove heat from the coils… I’m talking about an HVAC fan used to supply air into a building....
by Abbie Stancato | May 28, 2014 | General
Variable Frequency Drive (VFD)… What Is It, And Why Use It In HVAC? A Variable Frequency Drive (VFD) controls the speed of a motor, specifically a three phase motor. To better understand a VFD, let’s examine the motors they control. Most commercial HVAC...
by Abbie Stancato | Apr 30, 2014 | Power Exhaust
What is a HVAC Power Exhaust? …Achieving Proper Ventilation A previous MicroMetl Blog article offered a basic understanding of economizers. It is an Economizer 101 Summary and is a prerequisite to this article if you don’t understand the meaning of an...
