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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