Two lab tests of BISSELL’s FlexClean disagree on obstacle avoidance
Two independent lab reviews reached opposite findings on whether BISSELL's FlexClean robot vacuum avoids obstacles well. Each tested a different model in the line.
An independent lab ran BISSELL’s FlexClean robot vacuum through its pet-hair test on November 9, 2026, and the machine picked up 98 percent of the 2.5-inch strands, against an average of about 82 percent for the other vacuums on the same test.
A separate pass using 7-inch strands found zero percent hair wrap around the brush roll, where the other machines averaged 26 percent tangling. Suction came in below average too, at 0.69 kilopascals against 0.99. The test found no dedicated obstacle avoidance, so clutter has to be cleared from the floor before a run.
Navigation efficiency landed under the group’s average as well, 7.3 sq ft a minute against 0.71, and the machine covered 1,108 square feet on one charge where the average reached 1,170.
The November test covered BISSELL’s standard FlexClean, model 4270. The pricier FlexClean FurForce, model 4270L, is a separate model that the same testing described as otherwise similar, differing mainly in the mop pads and cleaning solution it ships with.
Yet that similarity sits oddly beside a separate review of the FurForce published months earlier. The review called it very good at navigating a space and avoiding obstacles, the opposite of what the November test found on its cheaper sibling.
The FurForce is already for sale, listed under $400 at retail, a budget-tier robot vacuum aimed at ordinary households.
Neither review settles whether the FurForce itself avoids obstacles well. One test ran the cheaper FlexClean and found no dedicated avoidance at all; the earlier one praised the pricier FurForce for exactly that. The two findings describe two different machines, not the same one twice.
