WhichBot

Buyer's guides, operations, and field lessons

Vendor-neutral writing on choosing, deploying, and operating commercial cleaning robots.

PUDU MT1 autonomous dry sweeper
Industry InsightsJul 21, 2026

PUDU vs Gausium vs CenoBots: 17 Machines, One Rule, Three Different Winners

We put every comparably-priced machine in our catalogue on one derated throughput basis and one AUD footing. No brand wins every class — and the assumptions that decide the close calls aren't printed on any spec sheet.

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PUDU MT1 autonomous dry sweeper
Industry Insights 9 min

The Shift You Can't Fill: Why Robot Payback Fell From 27 Months to 20

On the wage path we model, Australian overnight cleaning labour reprices roughly 32% in five years. Same robots, same floor, same hours — payback drops from 27 months to 20. Here's the arithmetic, and what it means for when you buy.

Jul 14, 2026
PUDU CC1 autonomous scrubber-dryer
Industry Insights 7 min

Why Your Cleaning-Robot Pilot Says 7-Month Payback When the Real Number Is 14

A 30-day trial measures the honeymoon. Here is the 8-week pilot design — and the four deductions — that turn a robot trial into a payback number a CFO can extrapolate.

Jun 16, 2026
PUDU MT1 autonomous dry sweeper, product view
Industry Insights 8 min

The Fleet-Dashboard Metric Worth A$1,392 a Month Per Cleaning Robot

Coverage percentage is a vanity metric. Interventions per robot-hour is the number your ROI is actually computed from — worked through a PUDU MT1 across six distribution depots, plus what to demand from a vendor's fleet software before you sign.

Jun 9, 2026
PUDU MT1 Vac autonomous sweeper-vacuum
Industry Insights 7 min

Scrubber, Sweeper or Vacuum? Picking the Wrong Class Costs 3.5× the Capital

There are four real classes of floor-cleaning robot — and 'disinfection' isn't one of them. Match the class to your surface and soil before you compare a single brand.

May 12, 2026
PUDU MT1 autonomous dry sweeper, product view
Industry Insights 9 min

Are Autonomous Cleaning Robots Safe Around People? The Compliance Checklist

Obstacle avoidance, standards and liability for autonomous floor cleaners in Australia. What to verify about a machine like the PUDU MT1 before it runs around your staff — and the WHS questions to ask every vendor.

May 5, 2026
PUDU CC1 autonomous scrubber-dryer
Industry Insights 5 min

What a Cleaning Robot Really Costs Over 5 Years: A$44k, Decomposed

The sticker price is only two-thirds of the story. We break down the true five-year total cost of owning one PUDU CC1 — hardware, service, consumables, software and energy — and where the money actually goes.

Apr 7, 2026
PUDU CC1 Pro autonomous scrubber-dryer
Industry Insights 5 min

The Sustainability Case: Autonomous Scrubbers Cut Cleaning Water 96%

Green Star buildings now mandate low water and chemical use. Here's the measured water/chemical maths for an autonomous scrubber vs a mop and bucket — and why the ESG story is stronger than the labour one.

Mar 31, 2026
PUDU MT1 industrial autonomous sweeper
Industry Insights 3 min

LiDAR vs Visual SLAM: How Cleaning Robots Actually Find Their Way

The navigation stack decides whether a cleaning robot is reliable or a babysitting job. A plain-English guide to LiDAR, visual SLAM, and why the best machines fuse both.

Mar 3, 2026
PUDU MT1 Max large industrial autonomous sweeper
Industry Insights 3 min

Where You Put the Charging Dock Decides How Much Your Robot Actually Cleans

Charging is a floor-planning problem, not a battery problem. Moving docks to zone centroids recovered ~12% of effective runtime — often the difference between finishing the window and not.

Feb 24, 2026
PUDU CC1 autonomous scrubber-dryer
Industry Insights 3 min

Lease or Buy a Cleaning Robot? The Break-Even Is About Year Four

Robot-as-a-Service is $0 upfront but costs more over five years. Here's the cash-flow math, the crossover point, and when each option actually wins.

Jan 27, 2026
PUDU MT1 industrial autonomous sweeper
Industry Insights 4 min

Why a Cleaning Robot's Spec-Sheet Coverage Is a Lie (and How to Discount It)

Rated m²/h is a peak, measured on an empty floor. In production you get 45–75% of it. Here's how to haircut the number so your ROI math isn't fiction.

Jan 20, 2026