Who We Are

Global Source of Controls

Roto Miller is a leader in the manufacturing of motor controls for HVAC, pump and industrial markets.

the roto miller brand

Roto Miller is a leader in the manufacturing of motor controls for HVAC, pump and industrial markets. Products include variable speed drives, building automation starters, soft starters, motor control components and related accessories. We strive for constant growth and improvement via lean organization practices, innovation, consistency and excellent service.


Roto Miller has been developing smarter and more efficient motor control technology for over a decade. Our dedication to innovation and customer service has led the company from a small startup to an international supplier of drives, starters and industrial components.

  • Operating worldwide
  • Professional personnel
  • End-to-end solutions
  • Flexible services

WHY CHOOSE ROTO MILLER

  • Customer Service

    The way we treat our customers is what really separates Roto Miller from the rest. We understand that when you need help with a machine, you don’t want to call in and talk to one. That’s why when you call us you’ll be able to talk to a live person from 6:30am – 10:00pm PST. Add to that blazing fast lead times and an industry leading warranty, and it’s easy to see why more and more people are turning to Roto Miller for their control solutions.

  • Innovations

    We’ve been pioneering new solutions and technologies in the motor controls industry since our inception. From our all-in-one smart starters featuring Smartstart motor protection, to our user-friendly and energy saving variable frequency drives, we’re leading the way when it comes to intelligent motor controls.

  • Warranty

    We stand behind our products with an industry leading five year warranty on our variable frequency drives, contactors, overloads and circuit breakers sold through our HVAC and Industrial channels. Please see our warranty section for more details.