Ayuh,... Change the air filter in yer air handler, 'n spray Fabreeze through it with it runnin'....
Also spray it anywhere, 'n everywhere ya can into the ducting...
Also spray it anywhere, 'n everywhere ya can into the ducting...
and bacteria/fungus. Much ozone is created in swimming pool chlorine systems. Kills the green algae.Ozone is dangerous if you don't follow instructions. It's good for killing odors.