20140828_Dis&Install_Tab_40_01Ongoing research proves that any onsite septic system will work better and last longer if it has a sufficient oxygen supply. For this reason, PEI is now recommending venting on all AES and Enviro-Septic® Systems. Given the minimal cost and effort it takes to add a vent to either a new or existing system, the benefits far outweigh any perceived detriments. Both of the following links provide a wealth of information.

Venting alternatives and disguises.