Ace Supply Co., Inc. was established in 1958 to provide quality products for both residential dealers and commercial contractors. They are renowned providers of heat and recovery systems, ducts, heaters, ventilation products and equipment.

A wholly owned subsidiary of Daikin Industries Ltd., delivers engineered advanced HVAC technology for commercial, industrial and institutional customers with knowledgeable application expertise.

Digi-Key is one of the fastest-growing distributors of electronic components in the world. Digi-Key offers the world’s largest selection of electronic components in stock and available for immediate shipment. From prototype to production, they are here to fuel innovation all over the world.

Ductcap Products Inc. are renowned manufacturers of temporary reusable duct end covers. These duct end covers help keep duct work clean during shipping, staging and during construction.

Engineers and manufactures Q-Sox brand fabric duct for HVAC/R air distribution. Q-Sox is a proven solution for better Indoor Air Quality (IAQ) and air circulation.

Uponor is a provider of plumbing and indoor climate systems for the residential and commercial building markets across Europe and North America. They provide Indoor Climate solutions, Plumbing solutions, Infrastructure solutions and Project services.

Honeywell Home solutions include connected thermostats, whole-home professionally installed and monitored security systems, do-it-yourself home awareness and security systems, carbon monoxide and fire detection devices, furnace and boiler controls, water leak and freeze detection products, whole-home air purifiers and humidifiers.

Metro Heating & Cooling is a family owned and operated HVAC Company in St. Paul, MN. They have been providing the highest quality of air conditioning and heating repairs, installations and products to both residential and commercial customers. They are licensed, insured and bonded.

MrPEX Systems is a supplier of radiant heating/cooling, snowmelt, plumbing, pex-al-pex systems. Featuring uniquely flexible PEX-a tubing, manifolds, accessories and controls.

Peak Heating & Cooling Inc. specializes in the repair and replacement of the heating and cooling systems for the home or business. Peak Heating & Cooling Inc. will send only the best technician to fix the plumbing problem, air conditioner repair and, gas or propane (LP) furnace and heater repair as well as the air conditioner installation, furnace, boiler replacement, and tankless hot water heaters installation.

Sales ​​Engineers Inc. is a manufacturers' representative selling to the heating, plumbing and specialty refrigeration markets. Their emphasis is on distributor oriented business with a contractor/dealer focus. They represent the following manufacturers: Purolator, Broan-Nutone, Gastite, Nortek Global HVAC, First Company, Lenox, Hilmor, Shurtape, and Thermaflex.

Founded in 1994, Standard Metal Products Manufacturing is a globally renowned manufacturer of yellow label products for the HVAC industry. They specialize in Balancing Dampers, Control Sealed Dampers, Back Draft Dampers and Louvers.

Toxalert is a manufacturer of gas detection systems. They provide carbon monoxide detectors, carbon dioxide detectors, toxic gas detectors, combustible gas detectors, IAQ sensors, refrigerant monitors and many more.

TSI partners with research institutions and customers around the world to set the standard for measurements relating to aerosol science, air flow, indoor air quality, fluid dynamics and biohazard detection.