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International leaders in research, design, and manufacturing of high-efficiency condensing boilers, water heaters and energy recovery electrical generator systems.

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Leader in providing custom built heat exchangers and transfer systems and creator of the original plate heat exchanger.

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Vertical, wall mounted water source heat pumps for classrooms and labs. Creating quality heating and cooling products since 1914.

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The world's leader and largest manufacturer of water source heat pumps for commercial and industrial applications.

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Makers of "The Most Durable & Corrosion Proof Cooling Towers Available", designed the first plastic (polyethylene) cooling tower with anti-microbial efficacy against Legionella.

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Factory-Built Duct Systems for Boilers, Generators, Poly-Propylene Venting, and Grease Hood Applications.

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Superior fluid control for the complex HVAC industry. Automatic flow controls and hose kit assemblies for water source heat pumps and other systems.

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MacroAir's founder invented the HVLS fans for the dairy farmers wanting more milk production. Six to 24' diameter fans for energy savings and comfort.

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Flue systems for condensing boilers, generators, and grease hoods, featuring a unique draw latch locking system that reduces installation time and creates a leak-free system.

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Standard and built-to-order commercial and industrial replacement coils, chiller barrels, fan coils, tube bundles, air handling units, unit heaters, cabinet unit heaters, and fluid coolers.

Pathogen Alert

Monitors, samples, detects and reports harmful airborne pathogen contaminants (bacteria, yeasts, and molds) before visual growth occurs; provides real-time alerts and reports.

Pathogen Alert

EvergreenUV—The benchmark for ultraviolet light in-duct coil cleaning and upper-air pathogen reduction systems. Supporting healthy and sustainable designs for over 47 years.

Scot Pump

Scot Pump manufactures custom centrifugal pumps. Their pumps range from 3/4" to 12" and feature motors ranging from 1/3 through 125 HP.

Waterline Controls

Waterline Controls sells water level control systems and sensors for a variety of applications, ranging from HVAC, fire protection, and waste water treatment.

American Wheatley HVAC

Leading America in the manufacturing of thousands of HVAC and plumbing accessories for HVAC and Industrial

Gaylord Ventilation

Commercial kitchen and lab ventilation options including pollution control, vapor hoods, and air demand ventilation control options

Lync by Watts

Advanced technologies and innovative designs are fused with industry-leading manufacturing expertise in Lync's complete, cost-effective water technology solutions

Lync by Watts

Industrial and HVAC chillers and pump/reservoir and pump skids. Process cooling for off-the-shelf and customized engineered systems. Adiabatic fluid coolers and fiberglass evaporative cooling towers

Precision Boilers

HVAC and industrial boilers. Skid packages and custom boiler systems. Electric, gas, oil, steam and jet electrode boilers. Non-condensing equipment, deaerators, feeders, flash tanks.

Tuttle and Bailey

Terminal air boxes (TABs), variable air volume boxes (VAVs) and air handling coils

The Detection Group

Rapid detection and expandable water notification equipment to provide complete coverage in minimizing the risk of water damage


Horizontal, vertical, console, ceiling units, air handlers, vertical high rise units, water source heat pumps

Polar Global

HVAC Systems that offer the largest range of fan coil systems in the world, adapted to each specific market requirement, and with a wide variety of energy-efficient accessories and options.


Celebrating 125 years in HVAC manufacturing. Manufacturer of the highest quality chillers, DOAS, VRF, thermal storage systems, and air handlers for HVAC and industrial sectors


Quality HVAC equipment with a competitive price! Fans, blowers, dampers, agriculture fans, louvers, HRVs, greenhouse fans and filtered fresh air supply systems, Agra-HVAC


Hydronic fan coil equipment with full support for integration and replacement equipment. Vert stack, floor, horz and hi-performance

API Heat Transfer

Heat exchangers: Shell/tube, Plate/frame, Plate/shell, and braised plate. Food processing equipment for evaporation, pasteurization, and dealcoholization

Camus Hydronics

Gas-fired medium to high efficiency copper tube and stainless-steel boilers and water heaters for all HVAC and industrial applications

WILO Pumps

Pumps and systems for HVAC, water supply, drainage and sewage including booster, skids and multi-stage equipment

JJM Alkaline Tech

Leading industry solution to addressing highly acidic condensate from condensing equipment


Venting products, GRDs, filters, and portable in-room air cleaning equipment


Heat and smoke vents, access doors, filters, roof hatches, venting, GRDs

Andre HVAC

Vibration, shock, and noise control products for HVAC and industrial applications