Minimum 5 Points Required
Platinum level note: platinum level homes must use item 4-7 as well as 5 additional points from this section
This section covers the mechanical ventilation systems in the home, including filtrations and heat recovery.
4-1 All ductwork joints and penetrations sealed with low toxic mastic or aerosolized sealant system (2 points).
4-6 Install permanent (de)humidification control (ERV's are considered acceptable) (1 point).