Midwestern Mechanical, Inc. with Copper Cottage is an industry-renowned company that offers superior plumbing, heating, air conditioning, and fire protection services. They also handle various heating, air conditioning, and indoor air quality systems including, Furnaces, Boilers, Heat pumps, Thermostats, Air conditioners, Ductless mini-split ACs, Air purifiers, Air cleaners, Humidifiers and In-floor heating solutions.

Mikrofill is an innovative UK designer and manufacturer of commercial condensing boilers, hot water loading systems, dosing pots, pressurization equipment & the new Velocity booster set range. Customers can expect nothing but the best product, using the latest technology manufactured to the highest quality standards, resulting in the most reliable solution available.

Mitsubishi Electric Hydronics & IT Cooling Systems is specialized in hydronic systems for air conditioning and heating and in IT cooling solutions. The company designs, produces and markets innovative, energy efficient products and provides value added services for Indoor Climate Control in commercial buildings and for Refrigeration (ICC&R) of industrial processes and ICT applications through CLIMAVENTA and RC brands.

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

Mixergy develops smart and connected hot water tanks that enable households to live better, save money, and reduce their impact on the environment.

MrPEX Systems is a supplier of radiant heating/cooling, snowmelt, plumbing, pex-al-pex systems. Featuring uniquely flexible PEX-a tubing, manifolds, accessories and controls.

Established in 1914, MSA Safety Incorporated is the global pioneer in the development, manufacture, and supply of safety products that protect people and facility infrastructures. Many MSA products integrate a combination of electronics, mechanical systems, and advanced materials to protect users against hazardous or life-threatening situations.

The modular water chiller was invented by Multistack. It started with a radically simple idea: water chillers made up of modules that could be brought into the equipment room one at a time, through standard doorways and down elevators, to form a fully integrated water chiller system. The modular chiller idea launched a revolution and transformed Multistack into a leader in the commercial water-chiller industry.

NAVAC is a global manufacturer that has dedicated over 20 years to the R&D and manufacturing of industrial vacuum solutions and HVAC/R tools. NAVAC draws upon its commitment to technical innovation, strong customer service, and robust R&D allocation to deliver solutions offering unsurpassed efficiency, accuracy, and ease of use.

Navien, the provider of condensing technology, uses innovative technology to manufacture energy efficient products that provides the ultimate comfortable living experience and a healthier environment.

As a trusted partner in HVAC, Refrigeration, and Hydronics components, NDL Industries is here to provide solutions that enhance efficiency, reliability, and sustainability for their projects. Starting out producing a more advanced ACR copper fitting, they now offer high-quality components spanning 14 different product categories.

Neoperl is a manufacturer of faucet aerators, check valve cartridges, insert flow regulators, faucet attachments, laminar devices, sprays and adapters.

Nordics™ is a trusted HVAC supplier & distributor in Ontario & Canada, providing air conditioners, heat pumps, furnaces & commercial rooftop units to contractors & businesses. With fast shipping & expert support, they deliver high-quality HVAC solutions to meet all project needs. They ensure the long-term performance of heating and cooling systems across various projects.

Nyle Systems is a manufacturer of commercial energy-efficient heat pump water heating systems.

Olimpia Splendid is an Italian company globally known for its design, production and marketing of products for Air Conditioning, Heating, and Air Treatment solutions.

ONDA S.p.A. is manufacturing company of advanced heat exchangers for refrigeration, heating and air conditioning equipment.

ONICON Incorporated has been delivering market leading flow and energy measurement products since 1987. Their inventory includes hydronic insertion turbine flow meters, hydronic inline turbine flow meters, BTU meters, flow computers, vortex flow meters, electromagnetic flow meters. They have been delivering quality engineered flow and energy measurement instruments for hydronic heating and cooling systems for over 30 years.

As a full service Air Conditioning, Heating and Ventilation company, OSBORN AC and Heat has been delivering high standard HVAC services.

Ouellet is the manufacturer of heating and ventilation equipment for institutional, commercial, industrial and residential applications; electric heating equipment to include unit heaters, ceiling heaters, cabinet heaters, baseboard, bath ventilation, Heating Cable, Self-Regulating Cable etc.

Oxbox HVAC is a value‑focused residential and light‑commercial heating and cooling brand under Trane, offering affordable air conditioners, heat pumps, air handlers, and coils. They recently launched a low‑GWP R‑454B refrigerant split‑system line, highlighting their shift toward more sustainable, eco‑friendly HVAC solutions.

PACAIR have a proven record in providing multi-disciplinary Air Conditioning solutions attained through years of excellence in the Design, Application and supply of Air Conditioning systems. As an Air Conditioning Supplier, PACAIR have successfully evolved its range of expertise.

Pace Heating and Air - Albany service all makes and models of furnaces and air conditioners. And they proudly offer the full line of Carrier heating and cooling equipment, as well as hearth products from HEAT-N-GLO.

Pacific NW Reps, LLC is a progressive manufacturers representative firm in the Pacific Northwest representing HVACR manufacturers in Alaska, Arizona, Idaho, Montana, Nevada, New Mexico, Oregon, Washington, Utah & Western Canada.

Packless Industries is a manufacturer of heat transfer and other metal hose products. They provide metal hose assemblies; vibration absorbers; refrigerant heat exchangers; co-axial condensers, evaporators (chillers) and heat pump coils; desuperheaters/heat reclaimers.

Parker Boiler is the manufacturer of Industrial steam boilers, hot water boilers (direct, indirect and condensing), high-temperature liquid heaters, water heaters, tanks and heat exchangers.

Established in 1940, Paul Mueller Company builds stainless steel processing equipment that cools, heats, and stores the products you use every day. They are the global supplier of heating, cooling and storage solutions that allow farmers, brewers and engineers to keep their products fresh and their inventory strong.

Pennco's hydronic heating products, designed for residential and commercial buildings, have earned a reputation for exceptional value, high performance and dependability. Built with high quality components and standards, Pennco gas and oil-fired boilers are manufactured by the company's dedicated workforce in the U.S.A. to ensure that customers get the very best in home heating comfort.

Representing quality manufacturers, Pepco has 20 reps and sales offices in Dallas, Austin, Houston, El Paso and Tulsa to service our customer base in Texas, Oklahoma, New Mexico, Arkansas, and Louisiana.

Peterman is a family-owned residential heating, cooling & plumbing company with offices in Indianapolis, Columbus, Muncie, Bloomington, and Lafayette, Indiana. It specializes in heating & cooling repair & installation, along with plumbing services, drains & sewers.

Polar Engineering loves engineering energy recovery and industrial refrigeration systems. Its team prides itself on taking the time to truly understand the wants, needs, and values of each of our clients. This allows to create client-focused solutions that delicately balance initial costs, operating costs, energy efficiency, and greenhouse gas reductions.