In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
Snow-bird friends of mine suffer mysterious ailments when they return from Florida in the spring. Their house heating system is hot-water coils in ductwork with a/c coils as well.
Is there some sort of test which could detect the presence of airborne bacteria/pathogens?
I am thinking of some sort of filter which could be left for a period to trap whatever is floating around in the air, and then be sent in for analysis.--NBC