About Control Resources Smartfan

The Control Resources Story

Over 3 decades ago an Electrical Engineer left a secure corporate career to pursue an idea. Building on decades of experience solving acoustical noise control problems, Warren Kundert invented the fan speed controller. Three patents later Control Resources and its SmartFan® technology began earning a reputation for technically innovative and reliable controls.

As customers began requesting modifications to the SmartFan designs the company found its niche designing and manufacturing custom fan speed controllers and alarms. Then motor and pump speed controllers.


Our customer remains the same: Original Equipment Manufacturers. What we do has broadened to include designing and manufacturing a wide mix of custom and off-the-shelf microcontroller-based and analog power electronics.

Design Portfolio

Why some of the world’s largest and most demanding companies trust us, project after project

We design and manufacture under one roof. We strongly believe in the “made in the USA” brand. We ONLY manufacture what we design (we are NOT a contract manufacturer). This allows us to use many shared stock components; reducing risk, lead time, setup and production costs, and controlling quality. We bring to experience gained from over 400 custom products to each design and manufacturing project.

control-resources-customersJust a few of our repeat customers

A more complete customer list

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