Danny's vacuum started by supplying us with filters for our three vacuums. We have a big house and our cleaners need vacuums on every floor. However, while in the shop we discovered that serviced central vacs. Ours hasn't worked since 2004 or so. Danny's came and first replaced a switch. When the vac came on suddenly in the night, we went outside to the garage and turned it off and called back in the morning. Danny's came by the next day and spent several hours testing each outlet. They finally found the problem (a short in one of the wall lines), and fixed it. We may have future problems and we may have to pay more but given the quality of the service we can insure that it will be money well spend because of the diligence of the employees.