Viking Extrusions is the manufacturers of silicone inflatable seals in the UK. Inflator-seals are an inflatable silicone seal (like a door or aperture seal) that can be inflated to accommodate a variable sealing gap. They provide a wide range of silicone rubber extrusions, silicone rubber strips and cords, silicone rubber tubing, silicone sponge useful in HVAC systems.

Vilandre Heating, Air Conditioning & Plumbing has been providing dependable, reliable and guaranteed service to Grand Forks and also the surrounding counties. Their main objective is to offer superior quality HVAC and plumbing services to our customers.

VILPE Oy is the producer of specialized roofing and ventilation products in Scandinavia, the Baltics and Russia. Their products are known by the VILPE® brand name. Their products significantly improve the standards of living, guarantee fresh indoor air and healthy conditions and ensure that the structures of a building are long lasting. VILPE Oy carries out its mission in a cost efficient and customer focused way in 30 countries.

Manufacturer of vibration, shock and noise control products; seismic restraints; flexible connectors; instrumentation including pressure gauges, thermometers; sheet metal duct hardware, piping supports/clamps.

VitoEnergy can work from any level of design, drawings, and procurement with the in-house installation of commercial boiler installations. They specialize in Viessmann products and as Viessmann partners can offer extended warranties as well as more in-depth tailoring and control strategy

Volution Group’s purpose is to provide healthy indoor air, sustainably. Their products are intrinsically designed to improve air quality and reduce emissions over traditional methods.

VR HVAC SYSTEM is the HVAC solution firm and Manufacturer & Turnkey Solution Provider for the Pharmaceutical / Hospital / Industrial / Commercial sector.

Vtronix is a global designer and manufacturer of custom HVAC electronic controls and thermostats

W H Riley & Son provides their customers with all their heating and cooling needs. They provide installation & service for heating & cooling systems-boilers, furnaces, central & split system air conditioners, water heaters, generators, pool heaters and much more.

Watsco Inc. is the distributor of air conditioning, heating and refrigeration equipment and related parts and supplies (HVAC/R) in the HVAC/R distribution industry. Watsco’s goal is to build a network of locations that provide the finest service and product availability for HVAC/R contractors, assisting and supporting them as they serve homeowners and businesses.

Watts Water Technologies is a pioneer provider of quality water solutions for residential, industrial, municipal, and commercial settings. Their family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions focused on: Plumbing & Flow Control, Water Quality & Conditioning, Water Reuse & Drainage, HVAC and much more.

WDF Inc. (founded in 1929) is one of the plumbing, HVAC contracting and specialty general contracting companies. They have joined with Five Star Electric Corporation and Nagelbush Mechanical to form GreenStar Services Corporation as a diversified full service construction company.

Weiss instruments manufacturers Thermometers, Humidity Indicators and Pressure Gauges and is based out of USA

Western Allied Mechanical has been a pioneer in the construction industry for 50+ years as a mechanical contractor that specializes in design/build for bio-tech, high tech; retrofit and replacement; LEED and Green projects; and HVAC service and maintenance.

Thermostats, gas valves, ignition controls and igniters, Filter Driers, Expansion Valves, and Solenoid Valves for heating, air conditioning, refrigeration and IAQ.

WIKA is a manufacturer and supplier of industrial measurement technology including measuring instruments for HVAC applications for pressure, temperature, humidity, and air quality.

Pressure switches, adjustable pressure switches, pressure sensors, thermostats, reversing valves, ball valves, contactors and capacitors, filter driers, accumulators, sight glass.

Winters Instruments is a manufacturer of quality pressure and temperature instrumentation, with distribution in over 90 countries. Visit www.winters.com for more information.

Wm. W. Meyer & Sons, Inc. are renowned manufacturers of commercial and industrial vacuums for cleaning ducts, boilers, furnaces and chimneys in residential, commercial, institutional and industrial applications.

Xtralis provides advanced fire detection for refrigerated storage. Xtralis is the global provider of powerful solutions for the very early & reliable detection of smoke, fire, and gas threats. They protect highly-valued and irreplaceable assets and infrastructure belonging to the world’s top governments and businesses.

Yandle-Witherspoon Supply, Inc. strives to offer impeccable customer service while developing long lasting relationships through business partnerships formed with the HVAC contractor. Providing quality product, a vast array of value added services, education, training, friendly employees and competitive prices allows Yandle-Witherspoon Supply, Inc. to be a major force in the HVAC industry in North and South Carolina.

Complete line of HVAC&R service and installation tools including recovery, vacuum pumps, hoses, test and charging manifolds, gauges, leak detection and electronic testing equipment, and service tools.

Yilida always strives for constant growth and improvement to provide high quality commercial & industrial fans and excellent services to satisfy all needs for air conditioning and building ventilation applications. At Yilida the have made a firm commitment to innovation and continually developing intelligent high-efficiency fan motors.

Zebra HVAC makes rugged, professional diagnostic tools and parts for the HVAC and Refrigeration Service Industry. They are located near Austin, Texas and ship across the globe.

Zettler Controls Inc. is a US-based renowned HVACR component manufacturer with an extensive offering of relays, thermostats, transformers, heat sequencers, temperature sensors, and fan centers.

ZONEFIRST is the first company that successfully developed and marketed HVAC Zoning Systems back in the 1950's and is today a renowned manufacturer of HVAC zone dampers and zoning systems. They provide zone control systems, automatic dampers, registers and diffusers for fresh air intake, economizers and ventilation control.

Easy to install and operate zoning, VVT and VAV systems accessed remotely over the internet or on-site from a smart phone, tablet or computer. Zonex manufactures a system for every building and every budget from a 2 zone residential system to auto-changeover bypass VAV products to support up to 400 units. Product line includes, modulating dampers and D-Fusers with a complete line of wireless thermostats along with fresh air dampers and a humidity mitigation system to meet ASHRAE 62.2.