Items Tagged with 'variable-frequency drive'

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SJE-Rhombus: Variable-Frequency Drive Control Panels

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Variable-frequency drive (VFD) control panels, the Endura™ line, has been introduced. The Endura PB (Pressure Booster) Control Panel is designed for commercial pressure booster applications using one-to-four VFDs, includes the VFDC-4000 controller and one VFD for each pump.


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Honeywell Environmental: Variable-Frequency Drive

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Designed to maximize energy savings in commercial buildings, the VFD Core provides a solution for contractors that works in 95 percent of HVAC applications and can be programmed in minutes, said the manufacturer. Increased memory allows for four parameter sets to be stored in one keypad for quick upload and downloading.


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Jeremy Begley

Jeremy Begley, home-performance specialist and Web and social media manager with National Heating and Air Conditioning Co. in Cincinnati discusses how and why you should add home-performance philosophies to your contracting repertoire. Posted on Sept. 12.

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2014 September 15

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Venting R-22

The NEWS reported that a man received prison time for venting R-22. Should EPA step up enforcement?
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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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