Insulation Removal Vacuums go through abuse. The obvious problems are caused by the foreign objects that are sucked through the hose (nails, pieces of junk, even brick pieces) from the attic.
The SILENT killer of a vacuum is failure to maintain the vacuum. Dust gathers around the engine, unlike most applications. While extracting the insulating materials, they create enormous clouds of dust. Here are some tips and videos on maintaining and tuning up your insulation removal vacuum machine. More
Some insulation vacuuming jobs require extreme lengths of hose. Insulation vacuums, no matter the manufacturer, can really perform best when they are within a 100 foot to 150 foot range. You are not always given this luxury of length. More
The Cool Vac vacuums have a 6″ inlet and a 6″ outlet. This gives you great flexibility to customize a machine according to your needs and budget.
The larger the hose, the greater the performance
There is a misunderstanding about performance and vacuums. Often, people think that the larger the horsepower, the better the performance. That is not necessarily true. What impacts performance are two things: 1) blade size and; 2) hose size. Horsepower does allow you to muscle your way through damp materials and allows you to run without higher engine revving. Yet, the greatest option to get the most material vacuumed is due to the diameter of the hose. More