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A huge thanks to Domenico Feo of Zehnder Nestsystems!

Domenico Feo, founder of Zehnder Nestsystems, provided a presentation to us and the Passive House Alliance of San Diego on Radiant Heating/Cooling utilizing hydronic ceiling panels, coupled with dehumidification that is incorporated into the Zehnder HRV/ERV ventilation system.

Domenico is with the Zehnder Group Italia (Italy) and is planning to soon move to California. His ComfoDew system for dehumidification has been included in the Ramona “Casa Aguila” Passive House Project. We recorded the broadcast and will broadcast his presentation nationally to all PHAUS members in a GoTo Webinar.

Domenico is full of extremely interesting information that he can pass on to us, such as why it is better to put radiant heating/cooling in the ceiling rather than in the floor, why absolute humidity is what we should be concerned with rather than relative humidity, etc.

Domenico Feo pic
Domenico Feo of Zehnder Nestsystems

Zehnder images

Absolute v. Specific heat diagram

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