WebJan 23, 2024 · Zehnder’s Novus 300 (175 cfm) Zehnder is a trusted name in the HVAC industry and has provided different types of heat recovery ventilator systems for passive homes in various parts of the world. Its most recent entry, the Novus 300 ventilation unit, is one of the world’s most efficient models, boasting 93% efficiency. WebZehnder ERVs have become our go-to solution for excellent indoor air quality. The ERVs’ thermal and electrical efficiency, exceptionally quiet operation, and inherently air-tight distribution system satisfy everything …
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WebNov 5, 2014 · Of the three types of HRV/ERV installations—fully ducted systems, simplified systems, and exhaust-ducted systems—fully ducted systems are best. These systems usually pull stale air from bathrooms, … WebWe have created an online tool to help you choose the right system for your installation scenario based on local codes and regulations. The chart below, based on ASHRAE 62.2, gives a quick reference guide to help … WebJun 17, 2016 · Best to draw stale air from the bath or open part of the home while supplying fresh air to return. This would allow the operation of the ERV independent of the a/c blower. The fresh air should be on when the space is occupied, independent of heating/cooling. Also monitor the %RH to not exceed 60%RH. flights korean airlines