Tjernlund Products is a premier manufacturer of mechanical ventilation and exhaust solutions tailored for both residential and commercial applications. From air transfer systems for your home to innovative solutions for extended flue runs in commercial boiler rooms, we deliver energy-efficient options to meet diverse needs. Proudly manufacturing high-quality HVAC equipment in the USA since 1938, we invite you to discover the excellence and reliability that have defined our legacy.
Smart Controls, LLC
Smart Controls empowers commercial buildings with high-performance cost-effective automation solutions. Our advanced controllers, sensors, and thermostats provide customizable control to optimize building operations for your unique needs. Designed and manufactured at our Illinois headquarters, we combine our engineering excellence with our focus on scalability, reliability, and top-tier quality control to deliver products that are built to perform. Take control with Smart Controls and transform your building into a smarter and more efficient space today!
Preferred Utilities Manufacturing Corporation
With over a century of industry expertise, Preferred partners with you to reduce emissions and boost efficiency for a sustainable future. Our capabilities include fuel oil handling systems, boiler instrumentation and controls, remote monitoring, low- and ultra-low NOx burners, renewable and bio-fuel combustion, waste-fuel applications, and nuclear outage reduction tools,engineered to deliver reliability, compliance, and performance.
Power Flame Incorporated
An innovative and forward-thinking manufacturer of gas, oil, combination gas/oil, low NOx burners, and combustion control systems designed for commercial, industrial, and process applications. Our products share environmentally conscious designs and are crafted from quality materials by our expert staff of dedicated professionals. We are committed to providing you with the best products, training, and service through continuous research, on-time production and over 75 years of successful manufacturing experience.
Metal-Fab, Inc.
Metal-Fab provides complete and comprehensive venting solutions to the HVAC, Hearth, and Plumbing markets.