Siemens provides quality standard products ranging from valves and actuators to sensors and thermostats. Energy efficiency, easy handling and long lifecycles are among the essential features of every single one of their products. And open communication standards like KNX and BACnet enhance compatibility and easily allow for seamless integration into building automation and control systems.

SIG Group is the globally renowned packaging solutions provider that follows the company's mission of moving towards a more sustainable world.

Sila provides solutions like air conditioning, heating, plumbing, etc, and is based out of USA.

Sila Heating & Air Conditioning was started in 1989 by Jack Rothacker, third-generation heating, and air conditioning professional who took the company from a family business to one of the largest and most respected regional heating and air conditioning companies in the northeast, with operations from Maryland to Massachusetts.

Silent-Aire is a technology driven company that designs, engineers, and manufactures hyperscale cooling and modular data center solutions. Their portfolio of solutions includes modular data centers; power room modules, turnkey modular deployments, custom HVAC (CRACs, CRAHUs, AHUs), and mission critical services.

Silicon Engineering Consultants Pvt Ltd is the pioneer HVAC Engineering Service Provider Company that is equipped with expert HVAC Engineers and infrastructure to support all kinds of projects across the globe. They provide complete HVAC Systems and Mechanical Systems from MEP design to HVAC Engineering Duct Design Services that help worldwide clients install High-End Mechanical Systems in Residential towns and Commercial Complexes.

At Simply Cooling, Heating and Plumbing in Las Vegas, they provide complete repair and maintenance services for residential and commercial properties. Their team is made up of experienced technicians who are friendly and committed to finding the best solution possible. The company is committed to providing the best services and products to homeowners in Las Vegas and the surrounding communities.

At Sims Refrigeration they supply, install, service, and maintain commercial refrigeration & air conditioning equipment across all industries and services.

Simx Hvac continues to stand for the best in commercial fan quality, reliability, performance and technical support. As part of the Volution Group, they offer excellent solutions for commercial and residential ventilation. Their brands like Alaskon fans heat recovery and Unilok ducting are well known standards in the industry.

Sinclair Supply Ltd. is the specialty products supplier to the HVACR industries that provide essential services for comfortable living environments in homes, offices, schools, hospitals and industrial facilities in Western Canada.

SINKO, a pioneer in air-conditioning technology, develops air-conditioning systems that are friendly to the environment. SINKO has become one of the industry’s top manufacturers of air conditioning systems. With a history spanning over half a century, SINKO has grown in step with the Japanese economy, gaining experience and adding to its achievements.

Sirius Buying Group will get ahead of the competition with its collective trade purchasing power of more than £120 million+. Currently comprising 188 members and 250 retail outlets, Sirius by virtue of its members is able to facilitate the UK with an extensive collection of home appliance and kitchen retail brands. Through specially negotiated terms with its preferred suppliers, Sirius members are guaranteed to benefit from improved margins.

Siroco, an international supplier of thermal and electrical solutions for industrial vehicles, imagines, designs and manages comfort in cab for world’s pioneer manufacturers via tailor-made HVAC / HV / AC solutions.

Skil – aire, division of Tithe Corp is a wholly-owned subsidiary of Baltimore, Maryland based Tithe Corporation, an environmental control and air conditioning products and services company that delivers integrated product technologies for cooling and enthalpy control solutions.

SkillsUSA is a partnership of students, teachers, and industry working together to ensure a skilled American workforce. SkillsUSA is working to attract more students into construction, electrical, plumbing, HVAC and appliance repair programs.

S.K.M Air Conditioning LLC is a premier name in the air conditioning industry. They provide Chillers, Air Handling Units, Packaged Units, Split AC Units, Fan Coil Units, Condensing Units, Ducted Mini Splits, Ducted Split Units, Air Cooled Condensers, Swim Pool Dehumidificater, and VRF Systems.

Skuttle Indoor Air Quality Products specialize in Indoor Air Quality, humidifiers, make-up air controls, air cleaners, air cleaner replacement media.

Slakey Brothers, established in 1939, is a wholesale distributor of Heating, Ventilation & Air Conditioning (HVAC) and Plumbing dedicated to providing the best service and value to customers in Northern & Central California, Western Nevada and Southern Oregon.

SLB is a technology company that unlocks access to energy for the benefit of all. As innovators, that’s been their mission for nearly a century. Today, they face a global imperative to create a future with more energy, but less carbon.

Sloane fills the gap for HVAC companies and installers that don't employ full-time office assistants. Sloane is an AI assistant that answers calls, remembers customer details, books appointments, and handles follow-ups, all through an app that connects directly to a customer’s existing phone number. It connects to a customer's existing phone number for easy setup.

Smai Service is at the forefront of innovation and efficiency, and guarantees customers a range of HVAC equipment choices in the plumbing and heating sector, for over 20 years.

SMART (Sheet Metal, Air, Rail and Transportation) provides skilled and certified sheet metal workers trained at 160 training centers through the U.S. for commercial and residential HVAC work. They ensure the quality of the air people breathe, promote energy efficiency, produce and provide vital services.

Smart Air is a full-service HVAC contractor offering detail-oriented installations and control over multiple facets of the project.

Smart Air offers HVAC maintenance, repair, and installation for homes and businesses. They also provide emergency Heating & AC repair, 24/7!

Smart Choice Heating & Cooling, Inc. is a family owned business, dedicated to providing trustworthy and quality HVAC service across Vancouver, WA, Camas, Ridgefield & Brush Prairie.

Smart Heating and Air Conditioning is an HVAC company that offers top-of-the-line heating and air conditioning installation, repair, and maintenance in Walnut Creek, CA. They are a team of highly trained and certified professionals who are unparalleled in their dedication to providing their clients with the best possible service. They also use the latest technology and equipment to ensure that their work is of the highest quality.

Smart Separations has created a new generation of antiviral coatings and ceramic membranes. ViraTeq™ technology destroys SARS-CoV-2 on surfaces preventing the spread of COVID-19 and a customizable ceramic membrane technology that challenges what’s possible with microfiltration. They provide Microfiltration, Research & Development, Indoor Air Purification, Water Purification, and Industrial Applications.

Smart Solar Energy, which has been conducting R&D studies since 2013 and set out with the principle of providing world-class Smart City Units solutions to all its customers by using the developing technology, Smart Solar Energy has become a leader in Turkey and the world in the last 6 years. It has also become the largest smart city furniture manufacturer in the region.

SMARTEMP products are designed by SMARTAIR DIFFUSION in Australia. Many are patented, and include solutions delivering high capacity and enhanced heating. Engineering and technical services include selection programs, technical brochures, laboratory testing and direct client advice in relation to specialised air diffusion performance, indoor air quality, diffuser layout, and associated acoustics and system design.

SmartD Technologies produces the smallest, fastest, smartest variable frequency drive on the market: the Clean Power variable frequency drive. Currently, the VFDs on the market simply do not make the cut as far as performance and value are concerned. Traditional drives produce a square signal that makes the motor break-down faster, creates harmonics distortion and eats up energy efficiency cost savings.