Light weight was the strongest consensus point, with many reviewers calling it very light, ultra-light, portable, or easy to handle.
Pros: Tool-change simplicity, Overall durability/longevity
Cons: Clogging and debris prevention, Suitability for heavy-duty use
Weight was an overwhelming strength, with reviewers repeatedly praising the slim, light, easy-to-carry body.
Pros: Assembly and Setup, Maneuverability and Handling
Cons: Privacy controls, Carpet — High-Pile Pickup
Weight was one of the clearest strengths, with reviewers repeatedly calling it lightweight, comfortable, and easy to carry.
Pros: Assembly and Setup, Cordless convenience
Cons: Hard Floor — Large Debris Intake, Suitability for heavy-duty use
Weight was repeatedly praised as light or easy to handle, with one reviewer noting it could feel heavier once filled with water.
Pros: Pet-Ready Features, Assembly and Setup
Cons: Dock noise, Reverse cleaning performance
Weight was generally positive, with reviewers calling it lightweight or not fatiguing, though one review said it was only typical for cordless vacs.
Pros: Pet-Ready Features, Assembly and Setup
Cons: AI, Smart
Weight was a standout positive for handheld and stick use, with multiple reviewers calling it light or among the lightest tested.
Pros: Assembly and Setup, Price and Value
Cons: Mopping performance, Software-update support / feature longevity
Weight was usually considered light or manageable, but some reviewers found the motor body heavier or less nimble than rivals.
Pros: Bin and Bag, Stair Cleaning
Cons: Area Rug Handling, Hair Pickup — Hard Floors
Weight feedback is mostly positive, though reviewers note it can feel heavier or bulkier than smaller handheld vacuums over time.
Pros: Build quality and durability, Assembly and Setup
Cons: Onboard tool storage, Controls and UI
Weight was mostly positive, with several reviewers finding it light and comfortable, though one found overhead handheld use noticeable.
Pros: Hair Pickup — Hard Floors, Upholstery / Above-Floor Pickup
Cons: Headlight and LED lights, Debris illumination
Weight is manageable for moving the robot between floors, but the full dock assembly can still be cumbersome.
Pros: Wool carpet compatibility, Hair‑Wrap / Tangle Resistance
Cons: Suitability for heavy-duty use, Edge‑Following Accuracy (Robot)
Weight was positively framed in one review as easy to handle and position.
Pros: Overall cleaning convenience, Storage footprint and upright-stand stability
Cons: Kid-friendliness, Obstacle Avoidance (Robot)
Weight is positive for the robot itself, which one reviewer found easy to lift and carry between floors.
Pros: Noise level, Maneuverability and Handling
Cons: Clogging and debris prevention, Bin and Bag
Weight drew a moderate note: the robot felt substantial, which suggested quality but also meant it was not light.
Pros: Hair Pickup — Hard Floors, Corner Cleaning (Robot)
Cons: Carpet — High-Pile Pickup, Support and Reliability
Weight evidence depended on model and context: several reviewers called the BU4020/BU4022 light, while older or loaded variants were described as heavy or heftier than expected.
Pros: Carpet — High-Pile Pickup, Carpet — Low-Pile Pickup
Cons: Build quality and durability, Storage footprint and upright-stand stability
Weight feedback was mixed: the vacuum was heavy, but powered wheels and lighter feel helped offset it.
Pros: Accessories and Tools, Streaking / Residue
Cons: Convertible handheld design, Clogging and debris prevention
Weight feedback was mixed: several reviewers called it light or manageable, while one said the Z30 felt heavy and another tired after 20 minutes.
Pros: Debris illumination, Tool-change simplicity
Cons: Stuck resistance, Bin and Bag
Weight was one of the clearest drawbacks, with several reviewers calling the unit heavy, top-heavy, or tiring over longer sessions.
Pros: Carpet — Medium-Pile Pickup, Under-Furniture Pickup
Cons: Hair-removal channel issues, Clogging and debris prevention
Weight was one of the most repeated drawbacks, with reviewers calling it heavy or difficult to lug, despite some tool-based workarounds.
Pros: Suction and Airflow, Cyclone performance
Cons: Convertible handheld design, Headlight and LED lights
Weight evidence was cautionary, with reviewers noting the heavy robot/base or heavy packaging.
Pros: Obstacle Avoidance (Robot), Carpet — Medium-Pile Pickup
Cons: Dirty water sensor, Runtime
Weight had limited negative evidence, with one reviewer warning the base should not be lifted out from above because it is heavy.
Pros: Pet-Ready Features, Suitability for heavy-duty use
Cons: Value-for-money, Area Rug Handling
Weight is a downside during unboxing because the package is large and heavy enough to require help.
Pros: Mopping performance, Controls and UI
Cons: Area Rug Handling, Accessories and Tools
Weight is a drawback for the detachable FlexiOne and overall appliance when it needs to be moved.
Pros: Hair‑Wrap / Tangle Resistance, Versatility
Cons: Hair-removal channel issues, Clogging and debris prevention
Reviewers raised notable concerns about Weight, with evidence emphasizing performance, reliability, or usability drawbacks.
Pros: Hair‑Wrap / Tangle Resistance, Versatility
Cons: Stair Cleaning, Clogging and debris prevention