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The aim of this study was to evaluate the effect of commercial disinfectant spray on the concentration of airborne fungi in bedrooms, considering that people, especially children, spend most of the day in them. Also, public preferences through surveys were studied when acquiring commercial disinfectants tested. The number of CFU/Petri dish was variable within the same bedroom for the different measurements performed before application of the disinfectant. Percent inhibition of fungal growth were variable, depending on the disinfecting product tested and sampled bedroom. These percentages were not significantly different between the disinfectants. The temperature values were within a range of 11 to 19.5 ° C and relative humidity percentage ranged from 64 to 85%. Eighty nine percent of respondents knew about environmental disinfectant spray. Seventy-eight percent knew about Lysoform®, followed by antismoking Glade® and Ayudin®. Among the most widely used products, 54% of respondents said the Lysoform® product was the most used. Most consumers chose known disinfectants and, when choosing a disinfectant, the media influenced 29% of consumers. The used products are recommended to be used in a bedroom to decrease the number of airborne fungi and thus reduce the harmful effect of these fungi on the people that use this room. [ABSTRACT FROM AUTHOR]