Launstein Hardwood Floors is a pioneer of hardwood floors tested over radiant heat and continue to test floors over new systems as they arise.

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.

leakSMART™ is a patented water mitigation solution that provides complete home water protection with leak detection and monitoring for everything from burst water supply lines, washing machine leaks, and leaks from other everyday appliances and plumbing fixtures throughout the house.

Lennox is a renowned global provider of innovative climate control solutions for heating, ventilation, air conditioning, and refrigeration (HVACR) markets. They've combined the industry’s most inclusive set of business services with a comprehensive portfolio of energy-efficient, high-performance HVAC systems that meet the needs of customers, employees and clients.

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.

A global leader in industrial automation systems, manufactures drives and motion control components for the automotive, packaging, material handling, robotics, and commercial equipment industries (pumps/fans).

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.

Levergy provides digital marketing that helps plumbing, HVAC, and home service companies grow. Get more attention online. Get more jobs on the board. Get more bang for your marketing buck.

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.

LG has provided advanced compressor technology and global compressor solutions for more than 40 years. LG Scroll Compressor offers not only advanced technology, but has also passed rigorous reliability tests for trouble-free operation.

LightFi are renowned manufacturer of pressure gauges, low pressure DP static and velocity transmitters, switches, handheld calibrators and temperature indicators. They aim to enable commercial spaces to save on energy and create healthy efficient workspaces through the use of real time occupancy data, integrated with the building management system.

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

The mission of Linc Service has been to provide preventive HVAC and energy solutions to commercial, industrial, and institutional buildings. Our goal is to make buildings more efficient, safe, and sustainable.

Representing quality manufacturers of commercial and industrial heating, cooling, humidification, dehumidification and refrigeration equipment, "We Sell Solutions to Problems" in GA, AL, TN.

Lindstrom and Associates are a manufacturers' representative for the HVAC/R, Industrial, Utilities, & Plumbing markets. They specialize in the selling, warehousing, and distribution of Pipe/Tube, Valves, Fittings, Chemicals, and Clamping & Support products.

Linear Air Diffusers are specialists in commercial grade aluminum linear slot diffusers, linear bar grilles, and custom plenums. They have been manufacturing air diffusion products such as: Air Grilles, Registers, and Diffusers (GRD’s) for over 40 years. Their business model is based on devoted investments with the use of modern robotics manufacturing, 3D rapid prototyping, computational fluid dynamics simulations (CFD), and BIM.

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.

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.

Lizard Monitoring was formed to simplify and automate data collection, aggregation, and trend analysis of data in physical infrastructure. They provide complete visibility and audit trail to the cold chain for food and pharmaceutical products, in manufacturing, distribution and retail.

LM Air Technology is a manufacturer of Polypropylene fumehoods, laminar flow wet process workstations, casework, hardwall/softwall cleanrooms and fan filter modules.

Lochinvar is the producer of energy-efficient water heating solutions that are radically simple, brilliantly engineered and perfectly suited for most any application. They focus solely on serving the unique needs of each customer with a product portfolio including boilers, water heaters, pool heaters, cogeneration products and commercial package systems.

Lockformer sets the standard for product quality, performance, customer service and integrity – the standard against which every other equipment manufacturer in the HVAC industry is judged.

Loren Cook Company is a pioneer in the design and manufacturing of fans, blowers, gravity vents, laboratory exhaust systems, and energy recovery ventilators. Their products ventilate institutional, laboratory, commercial and industrial facilities worldwide.

Lovazzano is a mechanical HVAC contractor specializing in Multi-family construction. They Design build of apartments, student housing, senior living, and hospitality. They are based out of the San Francisco bay area, serving Northern California.

Low Cost Air Conditioning and Heating Repair and Services LLC offers viable solutions to its customers. Based in Whittier, CA, they provide a wide variety of refrigeration & HVAC repair, installation, maintenance, and inspection services.

Lowe’s Companies, Inc. is a FORTUNE 50 home improvement company serving more than 18 million customers a week in the United States and Canada. They provide building automation and smart home solutions.