Company History

Since its founding in 1976, Rock Energy Systems has been committed to providing innovative, energy-efficient heating solutions to industries worldwide. As a market leader, we manufacture high-quality products such as waste oil furnaces, high-volume low-speed fans, and radiant heaters, all designed to improve comfort and efficiency in the workplace.

lanair logo

2009 - Rock Energy Systems Acquires Lanair

Company acquires Clean Burn

2010 - Rock Energy Systems Acquires Clean Burn

Circular Map of Janesville, WI

2011 - Clean Burn operations moved to Janesville, WI

depiction of a Sunfire Heater

2015 - Launch of new SunFire radiant heater product line

energy logic logo

2019 - Rock Energy Systems Acquires EnergyLogic

rock energy systems logo

2021 - Wilsquare Capital Acquires Rock Energy Systems

Image of Lanair XT Series Waste Oil Heater

2021 - Lanair launches XT series Waste Oil Heaters

Image of Sunfire Model SF-120 Portable Radiant Heater

2022 - Sunfire launches the SF-120

Air Movement Solutions Brands Slider Logo Transparent

2023 - Rock Energy Systems launches Air Movement Solutions

Image of Sunfire Model SF-80 Portable Radiant Heater

2023 - Sunfire launches the SF-80

Rock Energy Systems: A Legacy of Innovation and Dedicated Employees

At the heart of Rock Energy Systems are our dedicated employees. From our skilled engineers and production staff to our customer support team, every individual plays a crucial role in our success. Their expertise, commitment, and passion for what they do are the driving force behind our continued growth and ability to deliver top-tier products to our customers.