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.

Koch Air, LLC has been a privately owned, full service distributor of Carrier, Bryant, and Payne residential and commercial HVAC equipment, parts, supplies and tools. Other lines include Totaline, Honeyell, Aprilaire, NuCalgon, Modine, Takagi, Slant/Fin, and many more.

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.

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

Founded in 1914, Kramer manufactures energy-efficient large refrigeration solutions, split systems, condensers and evaporators for the industrial, food and medical industries. They are a division of HTPG.

Krier & Blain have been providing commercial plumbing, heating, and HVAC services to local businesses throughout the Sioux Falls area in the US since 1979. They also provide plumbing systems, medical gas installations, hydronic heating solutions and boiler services.

KwiKool® has been manufacturing portable cooling systems since 1997. Kwikool® manufactures products for both indoor and outdoor use, bacteria-killing products, water and also air-cooled spot coolers for comfort cooling and even ceiling mounted units which can be permanently mounted for the long term.

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.

Larson Electronics LLC is a manufacturer of industrial lighting equipment and accessories. Larson Electronics offers an assortment of explosion proof coolers, fans and cooling systems for hazardous locations. These units are designed to support the operation of heavy duty equipment in hot environments.

Lattner manufactures electric steam and hot water boilers as well as gas-fired steam boilers and blowdown separators.

Computer room A/C units, school room ClassAIRE units (VUV's) environmental controls, humidification, industrial and commercial products, HVAC/R.

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.

Lee Company offers facilities services and solutions for government, institutional, commercial, health care and industrial organizations. Lee Company’s home services include: heating and air conditioning, plumbing, electrical, home improvements, window replacement and appliance repair.

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.

Lennox Commercial is a leading provider of high-efficiency packaged rooftop units, VRF, split systems, HVAC controls, furnaces and IAQ products for the light commercial industry.

A worldwide leader in residential and commercial heating and air conditioning systems, Lennox Industries Inc. is based near Dallas, Texas.

A worldwide leader in residential and commercial heating and air conditioning systems, Lennox Industries Inc. is based near Dallas, Texas.

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.

LG Electronics USA Inc. is a renowned manufacturer of ductless heat pumps (single and multi zone), VRF, PTACs, windows, dehumidifiers, water source heat pumps, air conditioners, ventilation products, refrigeration products and smart home solutions.

Linear Labs, a smart electric motor company based in Fort Worth, Texas, created an entirely new and versatile electric motor system design that will redefine mobility (ie electric vehicles), HVAC systems and robotics.

At Longoni Engineering S.r.l., for over 85 years they have been offering their customers maximum reliability in the production of finned tube coils, tube bundle exchangers, unit heaters, coils, electric exchangers, finned tubes. Their products are used by the Italian and foreign market for industrial applications. Since 1931 the reference point for the Italian and foreign market.

Low Carbon Homes exists to reduce this impact and highlight the wider social and economic benefits of retrofitting existing housing. Low Carbon is a nationwide market-led membership platform for professionals and suppliers to learn, share and showcase best-practice. The company aims to unpack the complexities of retrofit-at-scale, reduce confusion and promote action.

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

Loxone, founded in 2009, revolutionized the smart home industry with the green mini server and is the market front-runner in the field of home and building automation.

Luxaire® is a premier line of high performance heating and air conditioning equipment, continually setting the standard in features and innovation. Their products include gas furnaces, split system air conditioners, split system heat pumps, ductless mini-split systems, packaged cooling and heating units, packaged heat pump units, air handlers, evaporator coils, indoor air quality, thermostats & controls.

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.

MacLellan Integrated Services provides critical process cleaning services, process equipment and robotics maintenance, production line side support, sludge and wastewater management, HVAC and mechanical services and general facility maintenance. Their work environments include automotive, aerospace, and general industrial applications.

Made’s Plumbing offers one-stop shop for quality plumbing services in Arlington, Texas, USA. They are a local plumbing services provider, offering clients with professional services that go beyond their expectations. From plumbing repairs to replacements, their team of licensed plumbers is ready to render assistance.