RenewAire, Waunakee, Wisconsin, introduces its Evergreen ERV series. The series features the Evergreen SH, a three-duct ERV with a built-in return grille and ducted supply, exhaust, and outside airstreams. The Evergreen SH provides an airflow range of 25 to 130 CFM and a variable constant-speed range of 25 to 130 CFM.
The unit can also automatically adjust the EC motorized impellers to self-balance airflow and maintain a minimum exhaust airflow of 30, 40, or 50 CFM at 0.2 to 0.4 in. w.g.