Cool Components has created products with "Professional" designations just to distance the products from the consumer/internet brands.  Some brands already designate themselves as 'professional' but yet are far from it but not much we can do about that except educate consumers that there is a difference and Cool Components is most certainly a company committed to making truly professional products.  For the most part all of our products are for the professional market but we're just beginning to designate some as professional as we redesign and add features...  

Harsh Environment & High Velocity Options.  CCI began serving the residential consumer market so our focus was always on systems such as home audio, home theater, basically applications where products had to be silent and of course effective.  This is accomplished by simply finding the right fans with the right specifications however, as we entered and began servicing commercial and industrial markets, we found that airflow was often times more important than fan noise.  For this reason we offer High Velocity Fan Options for most of the below products.  Another evolution and trend involves installing systems outside and in dirty and dusty environments which prompted us to also carry IP68 rated Harsh Environment fans.