The project, in a 40+yr old home, involved replacing and sealing crawl space ductwork and repairing attic ductwork . Josh, Tommy, and Mac-for 2 full days, worked very hard, were considerate, polite, and took pride in their work, which was warranted. They explained much of what they were doing and alerted me to other things that they noticed. From this experience, I plan to use this company again for they offer other services as well.