American Water Heaters is a globally renowned manufacturer and installer of high-quality water heater products. Their manufacturing, research and development and corporate offices are located in Johnson City, Tennessee. American Water Heaters offers a comprehensive line of residential and commercial water heaters.

AMWEI Thermistor Sensor design and manufacture PTC & NTC thermistors (THERMally sensitive resistors), thermistor temperature sensors probe. AMWEI started Thermistors business back in 1999, thorough successive hard work of a group of specialists in ceramic sensitive material, welding technology, packaging technology. They own core know-how in powder formula and key production technics.

Supplier of gas, steam or electric reactivated desiccant dehumidifiers for humidity control. Systems include outdoor air ventilation coupled with heating and cooling if required.

Heatco manufactures gas-fired stainless steel duct heaters. Their mission is to design, build, and deploy America’s highest quality gas heaters while providing industry-leading customer satisfaction.

HTS unites top brands -- Honeywell Combustion Safety, Honeywell Combustion Service, Eclipse, Exothermics, Hauck, Kromschröder, Maxon and Honeywell Combustion Controls -- delivering the best in thermal solutions.

Specialized in high quality industrial and commercial ventilation solutions across North America. Their product range includes Vane-Axial, TubAxial-Duct fan Centrifugal and Propeller Fans, blowers and ventilating system designed for optimal performance, energy efficiency and durability.

Intellihot is an energy company dedicated to advancing energy efficient technology and solutions. Intellihot designs, manufactures and assembles tankless water heaters for residential, commercial and industrial applications. Their products include the most advanced tankless water heater for commercial applications.

Kalglo Electronics, incorporated in 1969, is a manufacturer of electric radiant infrared heaters, electronic heating and lighting controls, and surge protection equipment. Kalglo is a veteran majority owned small business with product manufacturing based in USA.

Knauf Insulation manufactures thermal and acoustical glass mineral wool insulation for residential, commercial and industrial applications. They also deal with air duct board, duct liners, duct wrap, and pipe insulation.

La Brea Air has been providing industrial HVAC rental units for 35 years in Southern California. Their AC rentals come in various types, from 1 ton portable AC units to 50 ton air handles and everything in between. The temporary AC rentals are fit for small to large special events, temporary emergency cooling, movie studios, movie and retail applications.

LAARS Heating Systems Co. manufactures residential and commercial boilers, volume-water-heaters and commercial pool heaters from 50,000 to 5,000,000 BTU's as well as storage, buffer and solar tanks.

Lattner manufactures electric steam and hot water boilers as well as gas-fired steam boilers and blowdown separators.

Markel Products is a renowned provider of commercial, industrial, residential electric heating equipment, industrial ventilation, controls, industrial lighting, portable air conditioning and portable evaporative cooling solutions.

Since 1997, Powered Aire has specialized in manufacturing stainless steel air curtains. Their product line has evolved since the early years but the foundation has remained unchanged. American-made quality, innovation, leadership, service, and community are the company's core values.

A worldwide manufacturer, master distributor and exporter of high quality, innovative products designed for the Heating, Ventilation, Air Conditioning, Refrigeration and Appliance parts industries.

STELPRO is a globally renowned company in electric heating, heating cables, ventilation and electronic controls. It offers a wide range of quality HVAC products designed and manufactured in Canada.

SRP manufactures a full range of energy-efficient gas fired, high and low intensity infrared space heating equipment for the commercial, industrial, agricultural, residential and hospitality markets with facilities in USA, Canada and China.

Temp-Air Equipment Sales, formerly Airrex USA, is a renowned provider for all portable HVAC needs. They have recently gone through a rebrand to TEMP-Air Equipment Sales, a name they adopted to encompass the wide array of products that they carry. They provide more than 70 different models of products from over 12 different manufacturers.

UNICO Inc. is the maker of The Unico System which is a small-duct, high-velocity central heating and air conditioning system.