(1:35) How much mold is growing before you even see it
(3:30) Micro-toxins from air and food
(5:25) Ductless exhaust fans
(6:00) Mike finds ductless fan while painting
(7:00) Ductless fans are worthless
(8:10) Mike's designated #1 bathroom only
(10:50) It's not easy to install a fan
(12:11) Fans are critically important in the home
(15:05) Don't let "ductless" tempt you
(16:40) Contractors( are trying to push ductless fans
(17:13) Meth is drawn to the range fans
(18:00) Summary: Don't let anyone try to talk you into a ductless fan
(18:50) Negative and positive pressure
(19:30) Keep as many ducts in your house as you can
(20:40) This is the time to really open up your house in Spring
(20:50) Mold loves stagnant air and hates moving, fresh air