ITI supports apprenticeship and advanced career training for union workers in the sheet metal industry throughout the United States and Canada. Located in Fairfax, Virginia, the ITI produces a standardized curriculum supported by a wide variety of training materials free of charge to apprentices and journey-level workers who work in the following specialized disciplines: Architectural Sheet Metal, Building Information Modeling,& HVAC Service.

Isaac Heating & Air Conditioning is one of the largest privately-owned HVAC contractors in the United States. They offer residential and commercial installation and servicing of heating and air conditioning equipment. Their products inventory includes boilers, air conditioners, heat pumps, humidifiers, dehumidifiers, thermostats and water heaters.

ISC Sales Inc. provides superior industrial products to a wide variety of end-users and original equipment manufacturers (OEM). They offer a broad range of climate control products for electrical enclosures, such as air conditioners, vortex coolers, air to air heat exchangers, purge & pressurization units, filtered fans, and thermoelectric coolers.

J.L. Brady Company LLC offers dependable, quality service to homeowners in the Quad Cities community for over 100 years. Their experienced technicians are well-trained and knowledgeable on all HVAC products, so the customers can be confident knowing that they can trust the company.

J&W Heating and Air is a full service residential and commercial HVAC company within Jacksonville and the surrounding areas. They offer a wide variety of indoor comfort solutions including heating and AC installation, heating and AC repair, maintenance plans, and complete indoor air quality service.

Jackson Comfort Services offer 24/7/365 emergency service. Heating, Cooling, and Plumbing Specialists serving Northeast Ohio for 100 years. Its commercial and residential heating and air conditioning services include repairs, maintenance, and new installations. It also provides plumbing services for residents.

At Jade Air, their priority is serving air conditioning and heating (HVAC) needs including a/c repair, troubleshooting and maintenance. Since 1991, they have been providing quality and reliable HVAC service to the Dallas area, in Texas, USA.

At JAX Refrigeration, Inc., they recognize that their clients, big and small, have unique industrial cooling system needs. Therefore they provide individualized solutions to most directly and cost-effectively build and maintain industrial refrigeration systems.

JDM Jingda is a designer and manufacturer of heat exchanger equipment, as well as an innovative supplier of stamping and metal forming press.

JDS HVAC Service LLC in Westfield, NJ, is an HVAC company providing quality heating and air conditioning installation and repair services. They are locally owned, family-operated, fully licensed, bonded, and insured. Their technicians are experienced, skilled, and committed to providing the highest quality services for their customers. They offer senior, military, and first responder (police, firefighter, and EMT) discounts and free estimates.

JML Heating & Cooling Inc. is a fully licensed and equipped company to offer users a complete range of HVAC services. They have both the technical expertise as well as the experience to know how to handle all jobs, big or small.

Whether they're building water treatment systems for homes or for coffee shops, this water quality manufacturer uses only the best components possible. Which is why they've been using John Guest for 25 years. Hear what Chester Paul Company has to say about John Guest's reliability and support.

K & K Heating & Cooling is a trusted HVAC company serving cities around Northeast Ohio, USA. Their team provides HVAC installation services, fast and reliable HVAC repair, and HVAC maintenance services to upkeep the home’s comfort and efficiency. As experienced HVAC contractors, they also specialize in heating and air conditioning repair, furnace repair, and HVAC system diagnostics for both residential and commercial properties.

Kadant Unaflex LLC, based in Anderson, South Carolina, is a leading manufacturer of expansion joints, compensators, and custom-engineered flexible hose for process industries such as petrochemical, power generation, and water treatment, among others.

Kalglo Electronics, incorporated in 1969, is a manufacturer of electric radiant infrared heaters, electronic heating and lighting controls, and surge protection equipment. Kalglo is a veteran majority owned small business with product manufacturing based in USA.

Kanomax is a leading manufacturer of instruments for airflow testing, indoor air quality (IAQ) monitoring, dust monitoring, particle counting and particle monitoring, automotive testing, and more. Industries we serve include HVAC, medical, pharmaceutical, construction, industrial manufacturing, semi-conductor manufacturing, automotive and aerospace engineering, and more.

Kish Heating and Cooling Inc specializes in the repair, maintenance, and replacement of all makes and models of HVAC equipment

At Performance Air Conditioning, Electrical & Plumbing, customers will find a team of highly-skilled, fully licensed, and insured HVAC technicians who can provide a comprehensive range of heating and cooling services. Whether you need help handling HVAC repairs, water heater installation, electrical safety inspections, drain cleaning.

Established in 1992, Kleen Air Services help customers by providing air conditioning and heating services, ranging from HVAC repair, installation, maintenance, and repair.

Klondike Air Conditioning and Heating, a family-owned and operated business, has been catering to the heating, air conditioning, indoor comfort, and air quality requirements of Orange County since 1989. Their objective is to deliver superior workmanship in HVAC service, repairs, and installations. From system installations and maintenance to repairs and efficiency upgrades, trust Klondike Air for all HVAC needs.

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.

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.

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.

Leap Partners is working to connect the best small and medium-sized HVAC and plumbing businesses in the Southeast to build a world-class service company that is the employer and service provider of choice by pioneering the industry in customer satisfaction and employee engagement.

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.