ATLANTA - A major Southeastern governmental organization was convinced that updating its multiple HVAC installations with variable-frequency AC drives would provide an effective method of achieving ...
The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...
MARION COUNTY, Miss. (WDAM) - Residents in the district protected by the Tri-Community Volunteer Fire Department in Marion County may notice some discoloration in its water over the next few weeks.
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