Lennox International (LII) is a leading global provider of innovative climate control solutions for heating, ventilation, air conditioning, and refrigeration (HVACR) markets. Beginning over a century ago, Lennox International has built a strong heritage of Innovation and Responsibility. Our position as an innovation leader continually inspires us to promote more efficient energy use and a healthier environment through our product operations. Our engaged and diverse workforce is committed to providing climate control solutions that provide the most value and comfort for our customers.

Addison HVAC is a leading manufacturer of fresh air HVAC systems with over 75 years in the HVAC industry. We are renowned for innovation and excellence. With a strong commitment to technological advancement and sustainability, we lead the way in shaping dedicated outdoor air systems. The company designs and manufactures heating, cooling, and dehumidification products, primarily for commercial and industrial use.

Firestat HVAC Duct Limit Switches, a Division of Senasys, are designed to protect HVAC systems by detecting and responding to abnormal temperature rises. Proudly made in the USA, these switches feature a helix bi-metal sensor that triggers a snap action SPST switch, shutting down heating, ventilation, and air conditioning equipment when temperatures exceed set limits. Commonly installed in air ducts of apartment complexes, industrial buildings, and multi-unit facilities, Firestat switches ensure safety by preventing overheating or potential fire hazards. Built for reliability and long-lasting performance, they include a manual reset to restore normal operation after high-temperature events.

JB Industries provides PT Conversion, Manifold Vacuum HVAC, and other products, built in the USA, predominantly in our factory in Aurora, IL.

Alta Products LLC is one of the best roof curb manufacturer companies offering pipe flashing boots, HVAC roof curbs, roof curb systems, roof curb manufacturers, building envelopes, seal gaskets services, and many other services at affordable prices.

When it comes to your heating, cooling, and air ventilation needs, Etairos HVAC Service & Parts is the leading choice for quality products from the top brands in the industry. We work with clients in the commercial, institutional, and light industrial sector delivering the products they need to keep their environments comfortable and functional all year long. Learn more at https://etairoshvac.com/.