Knauf Insulation manufactures thermal and acoustical glass mineral wool insulation for residential, commercial and industrial applications. They also deal with air duct board, duct liners, duct wrap, and pipe insulation.

Knowledge Hvac & Refrigeration Ltd focuses on equipment safety, rules, and manufacturer specifications. They are known for Safety First, Quality Work, and Timely Completion. The technicians are fully licensed, factory trained, and extremely knowledgeable.

Kolbi Pipe Marker Co. has been manufacturing mechanical identification for 50 years. They core values are: Quality, Simplicity and Service. Give They a try and you will experience the Kolbi difference.

Komax Systems, Inc. has led the industry in static mixing technology offering a diverse range of Static Mixers, Steam Heaters, Desuperheaters, and Heat Exchangers. With more than three hundred combined years of fluids-mixing experience, the Komax design team has applied Komax technology to a technical base of over one hundred thousand installations world wide.

KOOLEX provides refrigerant gases for household, industrial and commercial equipment. The team behind KOOLEX pride themselves on delivering the highest quality products, for the best prices and right in time, to the wholesalers and the industry service providers.

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

Kurt's AC & Heat in Tavares, Florida, is a family-owned HVAC company. The company's goal is to provide the customers with fast and courteous service. The company installs top-quality, energy-efficient replacement heating, and air conditioning systems at a reasonable price and offers extended warranties to guarantee peace of mind throughout the lifespan of the system.

L & S Mechanical has more than 30 years of experience installing and servicing air conditioning, heating, plumbing and electrical systems in over 100,000 Texas homes. They understand how the systems in the home should work together, so they can easily diagnose and fix any problem.

LA Construction Heating and Air is a full service residential and commercial HVAC contractor, servicing Los Angeles and Ventura Counties with over 20 years of experience in the air conditioning and heating industry. Their high quality of work, honesty and integrity has earned them a great reputation.

Lappe Heating & Air are the AC repair and AC installation service professionals in Evansville, IN! As trusted HVAC contractors in the field of heating and air conditioning, they have the tools, equipment, and experience to keep equipment running smoothly all year long.

Larry Cook Heating and Cooling provides expert HVAC services in Wichita, specializing in the installation, repair, and maintenance of furnaces, air conditioners, and HVAC systems. They also offer indoor air quality solutions such as air cleaners and humidifiers. Available 24/7 for emergency services, their certified technicians handle all makes and models, ensuring reliable comfort for the home or business year-round.

Lavimoniere Plumbing Heating & Air LLC specialize in HVAC service and repair, and their expert team will arrive with parts readily available in the truck so residents don't have to worry about waiting on routine parts to be shipped. Fully licensed, Lavimoniere Plumbing Heating & Air LLC has been serving the Greater New Bedford Area for over 32 years.

Layton Manufacturing Corporation is a renowned provider of Computer room A/C units, school room Class AIRE units (VUV's) environmental controls, humidification, industrial and commercial HVAC products in the New York State of USA.

Leanheat is a renowned developer of artificial intelligence solutions for district heating management and building automation. The smart solution is powered by Internet of Things and Artificial Intelligence. Leanheat ensures stable indoor conditions, makes building maintenance predictive and efficient and at the same time saves heating energy.

Lee’s Air, Plumbing & Heating is a source of reliable heating, cooling, and plumbing throughout Central and Northern California.

Legacy Heating and Cooling offers the most comprehensive and cost-effective HVAC products and services in Edmonton and Calgary surrounding areas. With many decades of experience in the field, they pride on putting quality and customers first! Furnaces, Air Conditioning, Hot Water Heaters, Garage Heaters, Heat Pumps, Humidifiers, Thermostats, Filters and more! Plus, Legacy offers both Lifetime Protection Plans and Annual Maintenance Plans.

Lehigh HVAC are specialized to do the installation and repairing of HVAC residential and commercial equipment.

Lendlease is a globally integrated real estate and investment group with core expertise in shaping cities and creating strong and connected communities. They create award-winning urban precincts, new communities for older people and young families just starting out, retail precincts, and work places to the highest sustainability standards.

Marlo is a manufacturer of Modular Air Handling Units (AHU’s), Cooling, Heating, Steam, DX (refrigerant) coils, shell & tube heat exchangers and various equipment for the Military.

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.

Linx Industries, a division of DMI Companies, is North America’s leading manufacturer of commercial HVAC ductwork and fittings. Linx Industries provides the construction market with residential, commercial, and industrial air distribution solutions. Linx operates from its manufacturing hub in Portsmouth, Virginia

Littelfuse is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 19,000 global associates, they partner with customers to design and deliver innovative, reliable solutions.

LouisianaGroup offers premier sales representation to all sectors of the HVAC and Refrigeration markets throughout the state of Louisiana. AccountManagers are dedicated to customers' needs and are supported by market and sales specialists.

Low Voltage Group (LVG) are renowned providers of commercial electrical, security and communications services in St. Charles, Missouri, USA.

Lucht LHZ produces and sells electrically operated heating systems. The product portfolio includes part storage heaters, direct heaters, combi heaters, bathroom heaters, infrared heaters, electric storage heaters and design heaters. Our products are manufactured at our facilities in Hartmannsdorf and Burgstädt.

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.

MacDonald-Miller Facility Solutions is the top choice, full-service, design-build, mechanical contractor in the Pacific Northwest. Whether you simply have a service call, or are planning a 40-story office building, we have the right team of system experts – for you and your buildings’ needs. We offer smart building services such as Plumbing, Electrical and Lightening, and HVAC maintenance.

Mace is a global expert in shaping the built environment. From development and consultancy to construction and operations, it connect expertise across the entire property lifecycle to help their clients, people, communities, and society achieve more than they believe is possible.

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.

Maddox Residential and Commercial Services is a third-generation, family owned and operated company. It all began in 1937 as Maddox Air Conditioning, when heating and air was nowhere near as reliable, affordable and efficient as it is today.