Koch Filter is a manufacturer of air filtration products for commercial, industrial, hospital, gas turbine and paint filtration applications. Koch Filter is recognized globally for its premier brand of high efficiency air filtration products.

Koger Air Corporation is a family-owned and operated business specializing in the design, manufacturing, installation and ongoing service of industrial pneumatic and material-conveying systems. They offer a complete line of industrial sheet metal components for sheet metal shops, contractors and resellers. The experts design, build, install and service heavy-duty industrial air moving systems for dust-producing industries throughout North America

Kolbi Pipe Marker Company are manufacturers of pipes, valve tags, engraved signs, markers, and other products used in the HVAC industry.

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.

Kool Kap LLC is a manufacturer of Kool Kap, the permanent, protective air conditioning cover, which can be left on all year-round and lifts automatically when the AC system is running.

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.

Koura is a globally renowned company in the development, manufacture and supply of fluoroproducts that play a fundamental role in enhancing everyday lives. Their refrigerant products are used in a vast range of applications such as the construction of towns and cities, keeping homes cool, and food fresh.

KOVA delivers the highest quality building products at unparalleled value. They develop best-in-class products and kits-of-parts, from building envelope solutions to the smallest interior detail, and facades to faucets, all aimed at bringing beautiful, high-performing spaces to life more easily and cost-effectively.

Krack is a world leader in the development, manufacture and sale of ​​​commercial coils, condensers, condensing units and process cooling equipment.

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.

Kraton Corporation is a global producer of styrenic block copolymers, engineered polymers and chemicals derived from pine wood pulping co-products that are used to enhance the performance of end-use products that touch our daily lives. Their coatings are used in multiple industries.

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.

Krueger is a manufacturer of air distribution solutions, delivering quality, innovative products and providing first-class customer service to the HVAC industry. They offer grilles, registers, terminal units, fan coils, blower coils, diffusers, underfloor products, critical room products, fan filter units, displacement ventilation, and chilled beams.

Krueger is a manufacturer of air distribution and air equipment solutions including grilles, registers, diffusers, terminal units, fan coils, blower coils, air handling units, fan filter units, air nozzles, underfloor, critical room, chilled beams, displacement ventilation products.

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.

Kuchefski Heating & Air Conditioning, Inc. has proudly served Danville area homes and businesses since 1946. Their skilled technicians are dedicated to the comfort and service of the customers.

Kurt Schlieckau Heating & Cooling LLC, as the premier HVAC expert, they are now offering professional and timely sales, services and installation services for residential, commercial and industrial customers.

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.

La Brea Air has been providing industrial HVAC rental units for 35 years in Southern California. Their AC rentals come in various types, from 1 ton portable AC units to 50 ton air handles and everything in between. The temporary AC rentals are fit for small to large special events, temporary emergency cooling, movie studios, movie and retail applications.

LAARS Heating Systems Co. manufactures residential and commercial boilers, volume-water-heaters and commercial pool heaters from 50,000 to 5,000,000 BTU's as well as storage, buffer and solar tanks.

Ladd Service Company has been providing the greater Kansas City metro area with comprehensive HVAC, and plumbing services for more than 20 years. They have earned a great reputation among customers by offering quality installations in a courteous, friendly manner.

LadderPort is a manufacturers of Ladder Receivers that are made in four different model types to fit most any building with a flat roof. They deal with safety equipment, ladder safety, roof access, ladder stabilizer, winch, lift, roof hatch safety.

LakeAir are green manufacturers. They deal with Air Purifiers of different kinds and Replacement Filters.

Lake Air Heating & Cooling – The Best Company To Provide Alternative Energy Solutions! David Kearin founded Lake Air Heating & Cooling as a residential heating and cooling company specializing in new home systems, remodel projects and service.

Lake Shore Heating & Cooling is a family owned and operated HVAC company that specializes in repairing, installing and maintaining a wide range of HVAC units. They are committed to providing the best service to the customers. They offer a wide range of services, from providing parts to administering efficient cooling systems to installing furnaces.

As one of the HVAC servicing companies in West Michigan, Lamphear Service Company specializes in offering high-quality heating and cooling repair, installation and mechanical services to residential and commercial clients.

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.

Lau is a supplier of air moving products including commercial and residential propellers, blowers, plenum fans and other HVACR air moving products. Lau operates multiple plants in North America that manufacture a variety of products including centrifugal wheels, axial propellers and motorized packaged units.