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Leading Manufacturer, Supplier & Retailer of Dedicated Outdoor Air System.

Spot Coolers

DRI Spot Coolers provide an easy and effective method of cooling over heated areas within a larger area, as opposed to providing general cooling by means of a remote cooler fixed at one place.The Arctic Spot Cooler benefitsPortable CoolingDurable & reliableEnvironment friendlyEconomival operationComfortable working environmentEasy Maintenance

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Arctic Cooler

DRI Arctic Coolers also called Evaporative Coolers, Industrial Coolers, Commercial Coolers, Air Washers, Swamp Coolers and Industrial Ventilation Coolers, offer a completely natural way of delivering refreshing cool air. DRI Arctic range of Evaporative cooling units have been specifically designed for the cooling of industrial and commercial buildings.

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Passive Dehumidification Wheels

The unique G3MA Passive Desiccant Dehumidification Wheel (patent pending) has the ability to be regenerated with the 50% RH room return air allowing for substantial moisture removal through dehumidification of the fresh air being supplied to the room.

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Active Dehumidification Wheels

DRI's EcoDry Rotors and Cassettes are the result of many man- years of in-depth study and research work on countless permutations and combinations of substrates, desiccants and chemical processes. Every aspect of rotor dynamics, behavior, characteristics and physical parameters has been considered to maximize performance, durability and applicability.

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Dedicated Outdoor Air System

DRIs cutting edge R&D has resulted in the development of the ULTIMA DOAS which allows designers to provide ultimate fresh air ventilation as a single source responsibility.DOAS allows designers the DAQ (Divide and Conquer) approach in which DOAS takes care of the fresh air and internal latent load. The parallel system takes care of the internal sensible load.Unitary System single point responsibility to provide Dry Cool Fresh Air in an energy effi cient mannerConstant Supply Air conditions throughout the yearIntelligent microprocessor controlled DRISMART EMS (Energy Management System)Applications include chilled beams and parallel systems (which separately cater for internal sensible load)Helps obtain substantial LEED points

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Energy Recovery Ventilators

DRI Energy Recovery Ventilators are equipped with EcoFresh Energy Recovery Wheels (ERW); capable of recovering more than upto 75% of each sensible and latent energy from the stale exhaust air and transferring it to the fresh outside air. The rotating wheel transfers the sensible and latent energy between the counter flowing exhaust and supply air and in the process preconditions (cool heat dehumidify humidify) the fresh air.

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Treated Fresh Air Unit

The DRI Treated Fresh Air Units provide a complete solution for IEQ and Energy Saving in a single modular unit with option to add modules for cooling, heating, humidification, high efficiency filtration, mixing, sound attenuation, etc. Treated Fresh Air Units (TFA) are also sometimes referred to in the industry as Fresh Air Handing Untis FAHU, Fresh Air Units, Rooftop Units, Outdoor Air Handing Units OAHU, Energy Recovery Units or simply Air Handling Units.

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Energy Recovery Wheels

The EcoFresh Energy Recovery Wheel, which recovers total energy (sensible as well as latent), assists in meeting all the requirements of Indoor Air Quality (IAQ), humidity control and energy saving. DRI offers the Highest Recovery Enthalpy Wheels in the world (Aluminum substrate coated with a choice of desiccants). Incorporation of EcoFresh Heat Wheels into the air-conditioning system means more outdoor air at lower energy cost (reduced chiller load).

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Evaporative Cooling Pads

Evaporative Cooling with EcoCool Evaporative Cooling Pads is the ideal and most economical method of cooling. Evaporative Cooling is the process in which air is cooled by using the heat in the air to evaporate the water from an adjacent surface. A temperature reduction of 10 to 20C (50-68F) can be achieved by passing the hot fresh air through the wetted pads. The temperature reduction depends on the dry bulb and wet bulb temperature of the ambient incoming air, the thickness of the pad (in the direction of the air travel), the geometry of the pad, the air velocity through the pad and provided the proper amount of water is used and distributed evenly so that all of the pads are wet through their depth, height and width. The hotter and drier the incoming air, the higher the temperature reduction, after passing through the wetted EcoCool pads.

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