Zehnder Comfosystems heat recovery ventilators (HRV) and energy recovery ventilators (ERV) - the highest heat recovery efficiency units on the market today with as much as 95% heat recovery - ensure equal amounts of stale and fresh air will be exchanged and optimal indoor air quality is achieved.

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Demand, research drive ERV, HRV development

Demand, research drive ERV, HRV development

Improving efficiency, occupant comfort key as building envelopes tighten

High-tech ventilators improve indoor air quality (video)

High-tech ventilators improve indoor air quality (video)

As buildings become tighter, new systems bring balance between fresh and poor air.

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