1. Johnson Controls
  2. Building Automation and Controls
  3. HVAC Controls
  4. Variable Speed Drives

Variable Speed Drives

Contact Us

Enjoy simple installation & low cost of ownership with Variable Frequency Drives (VFDs)

Our Variable Speed Drives are specifically engineered for use with HVAC fan and pump applications. We’ve designed every adjustable speed drive power unit to utilize the most sophisticated semiconductor technology available, and with highly modular construction, our VSD Drives are easily adapted to fit your needs. Our Variable Frequency Drives are the  only VFD drives in the industry to provide closed loop control capabilities with Metasys and Facility Explorer digital field controllers.
Enclosed Variable Speed Drives (Series II)

Enclosed Variable Speed Drives (Series II)
  • Active Energy control algorithm
  • Graphic display and keypad
Micro Drives (Series II)

Micro Drives (Series II)
  • Digital display interface with diagnostics
  • Corrosion resistant circuit boards
Open Variable Speed Drives VS3 Series III

Open Variable Speed Drives VS3 Series III
  • Active Energy control algorithm
  • Conformal coated circuit boards
VSD FP Series II

VSD FP Series II
  • High Efficiency - Variable-speed control cuts air-handler energy costs up to 60%

We’re here to help you plan tailored solutions that are configurable, scalable, and automated.

Contact Us