The HRE-ERGO countercurrent heat exchanger is intended for the HRU-ERGO heat recovery fans. can also be used with other brands. The heat exchanger is made of a paper material with a high water content Vapor permeability, good airtightness and good durability for aging. The distance between the cellulose fibers in the material allows this free passage of water vapor molecules. Larger molecules, like B. odors cannot pass through the heat exchanger. This prevents contamination of the fresh air supplied indoors.
