Ventilation Specialists is a great company to work with for industrial ventilation. They really know what they are doing and their customer service is exemplary. VSI is a very detail-oriented and honest company. They can take a ventilation problem and solve it with their expertise. I was extremely impressed by their abilities and would HIGHLY recommend them to anyone who needs fans or blowers, solutions to industrial ventilation issues, and even installation of the above. I wouldnt use just anybody for these types of projects. These folks have been in business since the 60s and they are the only ones I would even think of calling. There may be others in town, but the others just arent worth the time. Ask anyone in the business and theyll tell you VSI is one to call, hands down. FIVE STARS ALL THE WAY! Thank you, VSI!!!!!!!!