OpenTherm is a non-manufacturer-dependent system of communication between modulating HVAC appliances and room thermostats. It consists of a communication protocol and an interface specification. The OpenTherm communication protocol is primarily designed to control modulating heating appliances. The protocol is available to members of the OpenTherm Association only.

The Danish-based company was founded in 1988. Pioneering developer and manufacturer of research manikin systems, including thermal manikins, sweating manikins, and breathing manikins - ideal for evaluating the thermal comfort of HVAC systems, clothing & protective equipment, vehicle cabins and indoor environments in general.

Perfect Temp Heating and Cooling is one of the best HVAC contractors in Minneapolis, MN, USA. At Perfect Temp, their commitment is to provide customers with the best possible service experience goes beyond just honoring a warranty or showing up when called upon.

Phillips and Temro Industries (PTI) is a company with a rich 100-year history as a global OEM and aftermarket provider of custom engineered thermal and electrical solutions. PTI’s future is focused on the continued evolution of engines and new energy vehicles as the company continues to provide solutions that maximize equipment performance, reliability and safety.

PM IMPIANTI was founded with the aim of building and installing pre-insulated aluminum, galvanized sheet or stainless steel ducts: experience and professionalism at the customer's service. Over time, they have also specialized in the design, installation and maintenance of split, mini-split and air conditioning systems

As Temecula Valley’s most dependable and professional HVAC contractor, ProFlo Air Conditioning, Heating & Plumbing strive to keep their reputation in tact. They hold themselves and their work to the highest standard. Their technicians are constantly improving their skill set by frequently completing required training by their heating and air conditioning appliance suppliers.

Established in 2019, Propel Air Fans is built upon the core belief that keeping cool should not be a luxury that is unaffordable. Propel Air sets a goal to make a product that improves the lives of those without proper airflow. Propel Air's purpose is to ensure that a desired space is a place that is cool and enjoyable. The company offers two large industrial fans, the Model 1 and the Model 2, for commercial use.

Propous is one of the largest independent suppliers of gas and oil burner’s spare parts, valves, air heaters, and HVAC products. The success of the company can be attributed to its efficiency, reliability, technical knowledge and an understanding of the customer’s requirements.

Haier-Carrier is a joint venture established by Haier Group and US Carrier in 2001. Its products include supermarket display cabinets (more than 1,000 specifications), compressor units (scroll, piston and screw), and heat exchangers (air-cooled condenser and air cooler). It can provide customers with whole sets of freezing and refrigerating solutions.

The Retrofit Academy is the driving force in retrofit knowledge and skills: building the supply chain with government, industry & education providers.

Rittal, headquartered in Herborn, Hesse, Germany, is a globally renowned provider of solutions for industrial enclosures, power distribution, climate control and IT infrastructure, as well as software and services. Its broad product range includes infrastructure solutions for modular and energy-efficient data centers with innovative concepts for the security of physical data and systems.

Roen Est is a renowned solutions provider for the design and production of heat exchangers. Established in 1983, as a manufacturer of finned pack heat exchangers, the company is considered a reference point for its technology and broad array of solutions for air conditioning, refrigeration, heating, and cogeneration.

The Scottish and Northern Ireland Plumbing Employers Federation (SNIPEF) is the principal trade association for plumbing and heating businesses based in Scotland and Northern Ireland. Since 1923, SNIPEF has represented the best interests of the plumbing and heating industry, from sole traders to large-scale businesses. SNIPEF also manages the training of plumbing apprentices, ensuring a skilled workforce in the future.

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.

SO Energy is a London-based supplier of gas and 100% renewable electricity to homes around Great Britain and believes in honesty, transparency, and enabling their customers to make a move towards net zero. It is the only energy supplier that empowers customers by allowing them to vote on how it sources its renewable electricity.

Solar Monkey offers user-friendly and fast photovoltaic software to solar panel installers. It accelerates the energy transition by offering clarity and security in the solar power industry.

Storengy is a subsidiary of the ENGIE Group, which is active in natural gas storage and renewable gas production and storage.

Stulz-ATS is a globally renowned manufacturer of environmental control equipment including a full line of energy-efficient precision air conditioners, ultrasonic humidifiers, and desiccant dehumidifiers. They also provide cooling solutions and services for mission critical applications through the design and manufacture of highly energy efficient temperature and humidity control equipment for commercial and industrial applications.

Superior Sensor Technology was established with the objective to revolutionize the high-performance, cost-driven pressure sensor market by developing integrative, high-performance, cost-efficient solutions for industrial, HVAC and medical applications. The company’s technology is based on a proprietary architecture called NimbleSense™, that significantly improves overall sensor performance and adds exclusive application specific system features.

SustainUS is a nonprofit, nonpartisan organization of young people advancing sustainable development and youth empowerment in the United States. Through proactive education and advocacy at the policy-making and grassroots levels, they are building a future in which all people recognize the inherent equality and interdependence of social, economic, and environmental sustainability.

Synecore was established by Paul Thomas and Adrian Eade to meet what they felt was a market for professional M&E contractors, with in-house expertise in both HVAC and electrical engineering across the UK. Set in the rural Kent countryside purpose-built head office is the hub of nationwide infrastructure. It’s where develop electrical and mechanical plans for some of the UK’s largest roll-out programs for clients such as Leon, Frankie and Benny’s.

TEKO has been successfully active in refrigeration technology for over 35 years and offers innovative refrigeration solutions for food. Based on its many years of experience in food refrigeration, the company has specialized in a standardized series of products for various applications for the cooling of fresh goods. This includes retailing, logistics, food production, and commercial refrigeration.

Tesla is a globally renowned sustainable energy and integrated energy company, which constantly innovates, scales and reduces the costs of commercial and grid-scale systems, with the goal of ultimately getting us to 100% renewable energy grids. To achieve a sustainable energy future, Tesla also created infinitely scalable energy products, such as Powerwall, Powerpack and Solar Roof.

TG Lynes is one of the foremost suppliers to the mechanical services, heating, plumbing, and air movement industries. The company prides itself on success brought about due to its wide range of stock, quality of service, and the experience of its staff - both on the Trade Counters as well as in the Sales Office and incorporating the Plant Hire operation.

Thomas Home Services is the renowned home service contractor serving Chandler, Arizona and the surrounding areas. They have provided the finest in quality HVAC and plumbing services since 1946, and they’ve served the entire Phoenix and East Valley area since 1994. The company offers top-quality HVAC, plumbing, and appliance services.

Thornhvac is a niche recruitment consultancy that prides itself on having a deep understanding of the HVAC industry in the UK.

Since 1960, Tom's Mechanical, Inc. has been standing apart from competitors by going the extra mile to provide quality service. With an A+ rating from the Better Business Bureau, the company has helped thousands of clients with a wide variety of HVAC services, ranging from the most straightforward to the most complex.

Top-Notch Plumbing, Heating & Air are a trusted partner for plumbing services. They are expanding their offerings to include HVAC services in Greeley, Colorado, and across Northern Colorado. Committed to the same high standards that made their plumbing services a local favorite, they are excited to bring top-quality heating, ventilation, and air conditioning solutions to their clients.

TOSOT is an air conditioner sub-brand developed by Gree Electric Appliances, a world-famous enterprise. Supported by Gree’s powerful R&D strength and innovative industrial spirit, TOSOT has got a complete industry chain of residential air conditioners, central air conditioners and home appliances.

As a manufacturer of transport cooling systems for trailers, trucks, vans, buses and containers, Transportkühlung THERMO KING GmbH has been the global market leader for many years. Within the international organization, the transport cooling THERMO KING GmbH is the main authorized dealer in northern Germany.