Sterling offers the industry’s most complete line of finned tube heating elements and enclosures and baseboard radiation. Sterling is a member of AHRI and meets the strict industry performance requirements set by the organization. All Sterling finned tube performance ratings are based on AHRI testing or are AHRI approved, where applicable.
Steffes LLC
Steffes develops and manufactures innovative energy technologies, delivering scalable and sustainable electric heating solutions to customers across North America and Canada. Steffes’ Electric Thermal Storage (ETS) heating products function like a thermal battery, storing heat in high-density ceramic bricks, dispersing it as needed. Because they utilize off-peak electricity, our products help create a more resilient and reliable system for everyone, offering a flexible and cost-effective solution to manage peaks and reduce strain on the grid.
Spirotherm, Inc.
Spirotherm, Inc. (www.spirotherm.com) is the global leader in high-efficiency air and dirt elimination technologies for hydronic systems. Our proven solutions enhance heat transfer, boost energy efficiency, and reduce Owner’s Total Cost of Ownership (TCO). Widely applied in chilled water, heating hot water, and geothermal systems, Spirotherm products often deliver a one-year or faster ROI. With millions of successful installations worldwide over 50 years, Spirotherm sets the standard for hydronic system performance and reliability.
SpacePak – A Mestek Co.
SpacePak is the innovator of small duct high velocity system as well as the industry leader in air-to-water heat pump technology.
Space-Ray Infrared Heaters
As a leading expert in the heating industry with more than 70 years of experience, Space-Ray delivers outstanding value-based heating products & support that our customers have been able to rely upon for years. Space-Ray is an industry leading manufacturer of high-quality infrared radiant gas heaters. We continue to move forward, bringing innovative, reliable and fuel efficient gas heating solutions to the marketplace.
Space Ray
Space-Ray is an International Manufacturer of Infrared Radiant Gas Heating products. Space-Ray is a division of the Gas Fired Products Group of Companies. The GFP Group manufactures energy efficient overhead radiant heating, space heating and process heating systems in the UK and USA. We specialize in gas fired infra-red radiant heating. Direct gas fired radiant heating, also known as infra red radiant heating, is the most efficient heating that can be easily installed in industrial, commercial, agricultural and garages. Radiant tube heaters and radiant ceramic plaque heaters are a popular heating solution for buildings such as factory, warehouse, garage, sports arena and aircraft hangars. Radiant tube heaters and radiant cone brooder heaters are popular for agricultural buildings such as poultry houses. The blown warm air heater for chickens, turkeys & other poultry provides a ‘whole house’ heating solution which can also be installed in conjunction with energy efficient radiant brooder heaters. Parent Company Information: Gas-Fired Products, Inc. currently manufactures and markets a wide variety of gas-fired heating products from its facilities in both the U.S. and Europe. Major products include: infrared gas space heating equipment for the industrial/commercial market, poultry heating and tobacco curing systems (BulkTobac) for the agricultural market, and vent-free gas room heaters for the residential market (SunStar). At Space-Ray our goal is to design, manufacture and market safety certified, reliable and energy efficient gas heating products that will stand the test of time.
Solaira Radiant Technologies
Solaira delivers high-performance electric infrared heating solutions engineered for commercial, industrial, and residential environments. Using short-wave radiant technology, Solaira heaters provide instant, even warmth to people and surfaces without heating the surrounding air. Paired with advanced control systems offering variable output, occupancy sensing, and BMS integration, Solaira solutions ensure precise temperature management, energy efficiency, and long-term reliability—ideal for patios, hospitality spaces, and architectural applications requiring targeted, maintenance-free comfort.