Compared to other Roombas, the Combo j9+ is the most thorough cleaning machine outside of the new Roomba Combo 10 Max Robot + AutoWash Dock, which has the same suction power as the Combo j9+.
The next vac on the testing docket is the new Roomba Combo 10 Max Robot + AutoWash Dock. Ranking 2-in-1 robot vacuums requires testing of all of the factors we consider for regular robot vacuums ...