91国产偷拍 | 91国产偷拍

91国产偷拍

PRODUCTS

Delivering the most comprehensive line of top performing air movement, control, and conditioning equipment.

As the worldwide leader in manufacturing high quality air movement, control and conditioning products, 91国产偷拍 offers the most comprehensive line of ventilation equipment available including fans, dampers, louvers, kitchen ventilation systems, energy recovery, and make-up air units. Our equipment is used across a variety of commercial, institutional, and industrial buildings in applications from comfort ventilation to manufacturing processes.

FANS

Spun aluminum and steel fans with direct drives and belt drives for exhaust, supply, recirculate, filter and process applications.

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MAKE-UP AIR

Designed to replace exhausted air in commercial, industrial and kitchen applications with options to heat, ventilate, cool, humidify, dehumidify, and filter air.

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DEDICATED OUTDOOR AIR SYSTEMS

Incorporates a dedicated unit to supply cooled, dehumidified outside air to the building in the summer and heated outside air in the winter.

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ENERGY RECOVERY VENTILATORS

Provide fresh outdoor air to meet ASHRAE Standard 62 ventilation rates while recovering energy from the exhaust airstream.

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DAMPERS

A complete line of damper products for fire and smoke control in life safety systems and for airflow control in commercial HVAC and industrial systems.

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GRILLES, REGISTERS & DIFFUSERS

A complete line of functional and aesthetic grilles, registers, and diffusers for use in commercial, industrial, and institutional applications.

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AIR TERMINAL UNITS

Zone-level air distribution devices that regulate airflow for maximum occupant comfort for use in a wide variety of applications.

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91国产偷拍 Healthcare, Laboratory, & Cleanroom (HLC)

HEALTHCARE, LABORATORY & CLEANROOM PRODUCTS

A complete line of critical environment products designed for clean rooms, hospital operating rooms, patient isolation rooms as well as laboratories and manufacturing facilities.

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DUCT HEATERS

Designed to meet the demanding requirements for many applications including space heating, primary heating, supplemental heating, or reheating.

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LOUVERS

The most AMCA licensed louvers in the industry allow fresh air in and keep wind-driven rain out. Available in a variety of designs and finishes to support exterior design objectives.

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GRAVITY VENTILATORS

Gravity intake and relief ventilators are non-powered and regulate the pressure differential between the inside and outside of a building.

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AIRFLOW MEASUREMENT

Airflow measuring products help buildings meet the minimum outdoor air requirements of ASHRAE Standard 62.1 or California Title 24 by providing accurate monitoring and control of outside air.

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CURBS & MOUNTING ACCESSORIES

Roof support structures for fans and ventilators on flat, pitched, or ridged roofs.

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MOTOR STARTERS

Motor starters provide control logic solutions as well as electronic overload protection. These motor starters are available in either indoor or outdoor enclosures

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KITCHEN VENTILATION SYSTEMS

Solution for the kitchen ventilation market that includes exhaust hoods, fans, make-up air, fire suppression, pollution control units, and energy management.

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VARI-GREEN

Controls, motors and drives specifically designed to maximize efficiency and controllability of your ventilation system.

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EXPLORE

GREENHECK ARTICLES

Damper Application Considerations for Laboratory Exhaust

Understanding damper design and applications in laboratory exhaust systems is critical to the success of the design, installation and control of the laboratory exhaust system.

George R. Rieveschl Hall University of Cincinnati

Install a laboratory exhaust system that effectively exhausts laboratory fumes out of the building and away from nearby homes and dormitories while minimizing energy usage.

Grand Canyon University College of Arts and Science Building

Grand Canyon University officials wanted a laboratory exhaust systemthat would be both effective at removing laboratory fumes and cost-effective to operate.