And, as with all Big Ass Fans, the airfoils and hub are covered by a lifetime warranty. Finally, our Kentucky-based customer service team will give you a call to make sure your experience was as flawless as we promise. If it gets dirty, don't worry. The range of fans from Big Ass are some of the best industrial fans on the market and can be used in a wide range of places. Big Ass Fans gently move that warm air back down to floor level. Get A Quote Give us some info and we'll call you back in a few minutes.