Air Change > Products > Energy / Heat Recovery Ventilators / AHU’s


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Rooftop Packaged Unit (11 - 125 kWr)

PoolPac (750 – 6,500 L/s)

NEXT-AHU (2,000 – 8,000 L/s)

ERV Rooftop / Plantroom
(250 – 12,000 L/s)

ERV In Ceiling (100 - 900 L/s)

ERV Wall Mounted (100-280 L/s)

Heat Exchangers (Concept)

Energy / Heat Recovery Ventilators / AHU’s

Heat and Energy Recovery Ventilators (HRV / ERV)
Rooftop/Plant Room 250 - 12000 litres per second

Air Change HRV and ERVs are dedicated outdoor air systems which heat, cool and de-humidify the outdoor air supply. They can be optioned with hot and cold water coils providing a complete air handling solution.

HRV & ERVs

Have enthalpy heat exchangers to transfer temperature and humidity to save up to 75% of the cost to condition outdoor air
Can be optioned with economy cycle and variable CO₂ sensors for variable outdoor air supply
Eliminate separate air cleaners, exhaust fans and energy reclaim systems
Are constructed with insulated panel cabinets
Direct coupled Variable Speed Drives save fan power, prolong bearing life and reduce maintenance
Provide Electronic protection
Can be fitted with sensible heat exchangers (washable) for specialist application

Air Change HRV, ERVs and 100% outdoor AHUs can be tailored to suit any outdoor air requirement.

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Installation &
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The Rooftop/Plant Room energy and heat recovery ventilator range are designed to be used when high fresh air quantities are required. They can be retrofitted into existing air conditioning systems to improve indoor air quality, whilst still maintaining system efficiency.