Karyer Group (Karyer Heat Exchangers) is a Turkish manufacturer of heat-exchangers, evaporators and condensers since 1978, exporting to 80+ countries. They specialize in copper-tube/aluminum-finned coils compatible with modern refrigerants like A2L, R290, R600a, and CO₂.

Kattfotsbacken AB manufacture sewage heat exchangers and waste water heat exchangers. They are small companies with great possibilities for adapting to customers.

Kelford Engineering has been installing, reconditioning, servicing and surveying boilers throughout New Zealand and the Pacific Islands for the 30 years. Established in 1991, their current team combined adds up to over 80 years of boiler experience.

Klimat is a company dedicated to the installation of heating, air conditioning, cooling systems. They specialize in air conditioning products and continuously adapt to the new needs of the market. They offer maximum quality in their products and services. They also have a team of professionals with experience and talent.

KLIMAVEX GROUP is one of the most comprehensive wholesalers of professional equipment in the heating, cooling and air conditioning segment in the Czech Republic and Slovakia with decades of professional experience.

KORADO's long-term strategy is to offer complete heating solutions with an emphasis on modern low-energy elements and systems that combine environmental friendliness and cost savings.

Kospel company is a Poland based manufacturer of electric instantaneous water heaters, electric boilers, cylinders, solar products, steam generators and heat pumps.

KOSTAL Industrie Elektrik provides its customers with innovative solutions in three core product fields: photovoltaics, the INVEOR line of drive controllers, and instrumentation and control electronics.

Originating from the KKT Kraus Company, the current KKT chillers brand is an important pillar within ait-deutschland GmbH. KKT chillers combine decades of know-how in thermodynamic processes with the requirements of customers to design energy-efficient chiller and heat pump solutions for quite varied applications.

LAMBERET was founded in 1935 and is now the European specialist bodywork manufacturer for refrigerated vehicles. Its range is suitable for all goods transport from 1 to 100 m3 – boxes and trailers, vans, platform-cabs and chassis cabs for utility vehicles; bodies for rigid, truck trailers, semi-trailers, and swap bodies for industrial vehicles.

Lee Jackson Air Conditioning Ltd. has been providing high quality, commercial air conditioning solutions for over 15 years. Based in Nottingham, they work with a range of businesses across the UK from boutique hotels and shops to expansive, multi-floor commercial office buildings.

Established in 2014, Leonari is a Mechanical & Electrical contractor working in London and the South East. They specialize in the commercial, residential, retail, data centers and educational sectors where our works include CAT-A, CAT-B installations as well as capital plant replacements.

Likusta Umwelttechnik is a global provider of advanced and integrated systems for air and water purification solutions.

LINKEDGO is a national high-tech enterprise, with over 10 years of experience in the HVAC industry, they focus on the development and manufacture of smart home products including domestic and commercial heat pump, smart thermostats, smart energy center, APP, PC management system and cloud service.

LNEYA Thermal is a Chinese company specializing in ultra-low and high/low temperature chillers and dynamic heating-cooling systems (-152 °C to +350 °C) for industries like semiconductors, data centers, and chemical processes.

Lumi United Technology Co., Ltd. (Aqara) specializes in the design and development of intelligent hardware and software solutions for smart home and corporate applications. Lumi is committed to applying the best industrial design, proprietary low energy consumption know-how, robust IoT software, cutting -dge AI technologies, and unyielding cost savings to provide the premier smart home experience.

M&K Heating and Air Conditioning provides home comfort solutions in London and surrounding communities.

Mace MEP Services are an international consultancy and construction business. They shape the cities and communities of the future by connecting clients, communities, suppliers and partners. They have a highly experienced mechanical, electrical and public health (MEP) team that drives efficiency and value on site by offering specialist contracting capability that drives value and efficiencies on one of the largest construction packages on site.

Marston Holdings offer integrated technology-enabled solutions from design and implementation to management and recovery, supporting the government, utilities and private sectors.

Matrix is the technology services company in Israel, with 10,820 employees worldwide. Since its foundation in 2001, Matrix has made more than 100 mergers and acquisitions and has executed some of the largest IT projects in Israel. The company specializes in the implementation and development of leading technologies ,software solutions and products, providing its customers with infrastructure and consulting services.

McLaughlan Transport Ltd is a family/employee owned haulage and distribution business based in North Muirton Industrial Estate in Perth, Scotland. The main business operation is collecting and consolidating local produce and distributing to mainland markets and rdc’s across the UK/Europe. Full loads to all parts of UK/Europe are also available.

McQuay International delivers engineered, flexible solutions for commercial, industrial and institutional heating, ventilation, and air conditioning (HVAC) requirements with reliable products, knowledgeable applications expertise and responsive support.

MCS, and the industry it works with, face interesting times. The UK domestic renewable energy sector has radically changed since the organization was formed in 2007. Since then nearly 1.2 million homes have been fitted with renewable energy technology and the cost of installations has dropped by approximately 65%.

MG Cooling Solutions rates as the reputed HVAC turnkey contractor providing complete solution for air conditioning, air cooling & ventilation for hotels, restaurants, office spaces, institutes, hospital & industrials projects. They are also specialized in providing precision AC services for IT cooling required for data centers & server rooms.

Mitie’s role in maintaining critical infrastructure is fundamental. From energy to hazardous waste, critical asset maintenance to cleaning, and security to gritting, the services, they provide help keep the UK running.

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

MLS Praha provides comprehensive deliveries of a diverse range of heating and cooling equipment: underfloor heating, heat pumps, boilers, fittings and other products.

MOS Mechanical offers a complete building, building maintenance and building renovation service. The company's building, maintenance and renovation division can always deliver the best quality, design, and value for money end product, be it domestic, commercial or just a simple revamp of a room.

The company MRAZÍK vos Trutnov was founded in 1995 and provides supplies, installations and services in the field of cooling equipment, air conditioning and heat pumps Their goal is to be a serious, reliable, transparent and long-term stable partner in all the activities.

MS AIRCON, located in Bhogal, New Delhi, is a trusted name in air conditioning and cooling solutions. They specialize in the installation, servicing, and repair of all types of air conditioners for both residential and commercial spaces.