An industrial cleaner is a perfect tool for cleaning rougher areas, like construction sites. This model has a motor power of 1,200 watts.
From Amazon
Bosch Nass- Trockensauger / Staubsauger AdvancedVac 20 1200W
Conrad Electronic
Bosch Home and Garden AdvancedVac 20 06033D1200 Wet/dry vacuum cleaner 1200 W 20 l