Plush or shag carpet chews through weak power heads fast. That's why this rundown of the best central vacuum power heads in Canada highlights the heavy-duty models — higher torque, tougher belts, built to dig into thick pile without stalling out. The Vacuum Store carries a few of these specifically for homes that standard heads just can't keep up with. http://www.thevacuumstore.ca/collections/central-vacuum-power-heads