AC is my business :-D. also make sure you buy the good kind of filters (pleated). will keep air cleaner. yes fresh air is good, we cant open anything for a couple months. you are more than welcome to email me for for questions and/or suppliers in stuff, we have to be carefull of advertising on forums (rules) shanevrr@yahoo.com.
dont get me wrong, please try anything you can, if it works great. I guess you can try pollin from a health food store. not sure