03 Mar RenewAire: ERV Posted at 16:46h in Heating and Cooling Repair by admin 0 Comments 0 Likes The HE7X’s 1,750 to 7,700 CFM offers an additional airflow range between the HE Series’ HE6X (1,500 to 6,600 CFM) and the HE8X (2,000 to 8,800 CFM).
