ROTRONIC is a manufacturer of humidity, temperature control instrumentation and CO2 for HVAC and semiconductor applications.

At Royal Air Conditioning & Heating, Inc, they aim to provide users with quality HVAC repairs, maintenance, and replacements. They are fully trained and certified with over 30 years of experience performing everything from regular inspections and cleanings to installing and replacing residential and light commercial HVAC systems.

INNORAPID LIMITED with brand RPWORLD, founded in 2003, is committed to high-mix, low-volume manufacturing services. Over more than 19 years, RPWORLD has been providing customized one-stop manufacturing solutions for 20,000+ projects from 40 countries around the globe, becoming one of the fastest and most comprehensive manufacturing suppliers in the world.

RSM Air Conditioning and Refrigeration Ltd is a privately owned enterprise with no financial or group affiliation. Having been established for over 40 years, RSM are able to offer a comprehensive service supported by an acknowledged reputation for high quality work.

RunTru is a dependable HVAC brand, but at a price point that makes it the answer to heating and cooling needs. This new product is also designed, engineered, tested, and assembled in America.

Rushing is an MEP (mechanical, electrical & plumbing) engineering and sustainability consulting firm offering a full spectrum of integrated services which includes energy analysis, lighting design, and commissioning. They provide Mechanical engineering, electrical engineering, plumbing engineering, sustainability consulting and much more.

Ruskin is a manufacturer of innovative air control products, including manual, fire, smoke, combination fire/smoke, and industrial dampers, louvers, air measuring stations, sound attenuators, diffusers, and Energy Recovery Ventilators.

SAER Elettropompe S.p.A. is an italian producer and supplier of surface and submersible pumps and motors, with over 60 years’ experience in the Italian and international market. They provide Submersible Electric Pumps, Centrifugal Electric Water Pumps, Horizontal Water Pumps, Manufacture, mining, off shore, HVAC, civil, industrial, pumps, high pressure pumps.

Safe House Air Services is the best Air Duct cleaning service in the Houston Metro Area. 10 years of serving all of the local neighbors has allowed them to come up with exactly what all the residents need.

SafeTraces works on a mission to ensure the highest safety standards for the air we breathe. It delivers veriDART™, a solution for verifying safe indoor airflow.

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.

Saltoki is a distribution company of technical components related with HVAC, electrical devices, renewable energies, water treatment and R&C. They provide Heating, Air conditioning, Bathroom, Renewable Energies, Plumbing, Water Treatment, Electrical Material, Home Automation and more.

Salus is a supplier of energy control solutions focused primarily on the European market channel. From standalone wired thermostats to connected smart solutions, they have a complete range of thermostats to fit any application or installation.

Sandometal has always intended to present solutions. With experienced and qualified staff, attentive to the customers’ needs, they are prepared to meet and exceed user expectations. For Sandometal each project and installation is unique, which makes them do their best to try innovating in the solutions they deliver.

Sanhua is a manufacturer of HVAC&R controls and components, with a global presence and over 30 years of experience. Working together with the largest companies in the automotive, appliance, and HVAC&R sectors,

SANI-VAC Service provides high-quality indoor air cleaning services, including HVAC units, air ducts, and kitchen exhaust cleaning for commercial, industrial, and institutional organizations. It offer much heating and cooling cleaning services including air duct cleaning, ventilation cleaning, coil cleaning, HVAC cleaning, commercial kitchen exhaust degreasing, cooling tower cleaning, and ductwork inspections.

Santa Fe Indoor Air Quality Solutions is located in Madison, Wisconsin, and is part of Therma-Stor. Therma-Stor was established in 1977 to apply advanced heat transfer technologies to residential and commercial markets. In addition to the Santa Fe brands, Therma-Stor® also manufactures Quest™ commercial dehumidifiers and the Phoenix™ line of restoration equipment.

Sanuvox is a pioneer in ultraviolet air purification providing advanced cost-effective in-duct and stand alone UV air and coil sterilization systems.

Sauer is the full service Mechanical Contracting Company providing HVAC, Industrial Piping, Plumbing, Instrumentation, and Maintenance Services. Sauer Group is a division of Sauer Holdings Inc., headquartered in Pittsburgh, Pennsylvania.

Sauermann Group has designed, manufactured and sold products and services dedicated to the industrial and HVACR markets. The Group specifically focuses on the detection, measurement and control of indoor air quality (IAQ).

SC HVAC Solutions is a vehicle for importing and distributing the latest innovative devices for low-energy air conditioning enhancements. With an eye on international markets, they keep tabs on all products emerging at the frontier of the energy conservation industry, products that will work with the air conditioning to improve air quality and reduce energy costs.

SCADAR is an advanced portfolio of compressed air auditing solutions developed to arm service providers with the tools necessary to conduct forensic compressed air audits and offer a competitive advantage in an increasingly competitive marketplace by helping service providers add value to their customers.

Schiessl is an European wholesaler of low-temperature engineering, air-conditioning technology and heat-recovery products. They represent the interests of their industry and attach a great deal of importance to environmental protection. Their continued growth and success over the last 80 years have been founded on their engineering expertise and their determination to remain close to their customers.

Schmidlin AG is a family business. They create added value for employees, customers and shareholders to ensure long-term success on a partnership basis.

For 50 years, Schornsteinwerk Schreyer GmbH have been producing and selling chimney and ventilation systems with complete accessories as well as prefabricated chimney heads at the Zeven location. Shaft and ventilation stones are used for ventilation and as an enveloping shaft for exhaust pipes.

SCI USA provides HVAC solutions for all manner of systems controlled by thermostats including Fan Coil systems, Building Automation, remote Telephone Controlled Thermostats, Fan Cycler Thermostats and Flush mounted designer thermostats.

SCM FRIGO’s goal is continuous innovation pursued through research, design and production of CO2 refrigeration systems that are highly sustainable for the environment. All this is made possible by a close-knit team of highly skilled professionals all working toward one end goal. They are natural born optimists, always striving to become better and better at doing what they believe in.

Scot Pump is a O.E.M manufacturer that specializes in End Suction Centrifugal pumps. While many of Scot's competitors have a broader product line that encompasses many different types of pumps, Scot has directed its focus on End Suction Single Stage Centrifugals, and boasts to have the best delivery, customer service, and quality in the industry.

SeaChiller are experts in HVAC-R systems operating in the naval and offshore sector. They provide the market with efficient and effective solutions based on the following premises: Safety, Quality, Availability and Competitiveness.

Since 1935, Sealmaster bearings are the industry's preferred bearing product, known for its premium-quality mounted ball-bearing line, as well as its mounted roller bearings.