The One-Charge Vacuum Kit

The Vacmux kit for sizing a cordless stick or a robot vacuum to your floors and the mode they need, not to the number on the box

Vacmux's Vacuum Runtime Calculator says how long a battery lasts at one power draw, and its Room Cleaning Time Calculator says how long your floors take at one rate. On the site they never meet, and neither says which mode it means. The spec sheet has the same gap: the headline runtime is measured in the lowest mode and the headline suction in the highest, so they never happen at the same time. The One-Charge Vacuum Kit puts the tools in the order a buyer meets them. Part 1 measures the floor by type, times one room of each, and lets a test strip choose each floor's mode. Part 2 compares suction like with like (spec-sheet maximums multiplied as printed read about four times any real peak), reads the runtime for your carpet's mode, and adds the job up as a share of a charge with an 80% margin for the battery aging. On a worked 858 sq ft home, 45.6 minutes looks like 76% of a 60-minute box; mode by mode it is 133.4%, two charges. An example bigger battery reaches 93.2% and still fails the margin, while two zones on alternate days fit the smaller one at 72.5% and 60.6%. A robot is sized the same way, with carpet budgeted at its Max runtime. Every worked figure is an example computed from the site's own calculators, and every rule of thumb is named as one. It is a method, not a product review, and it recommends no brand. Included: 23 printable pages with seven steps, a floor and stopwatch sheet, a three-model spec-sheet reconciler, a charge budget worksheet, reference tables and a quickstart, plus a personalised sheet worked on the numbers you entered in the calculator you came from.

What’s inside

The full contents of The One-Charge Vacuum Kit: your floors, the machine, and the working pages

Step 1, The Floor-Type Rule: measure the floor you vacuum room by room, split into hard floor and carpet

Measure the floor you vacuum, by type: hard floor and carpet apart, in two zones
Time one room of each floor, and turn your own pace into minutes
Test strips that choose each floor's mode; Boost for spots, counted in minutes
Suction compared like with like: spec-sheet maximums, Air Watts and a robot's pascals
The runtime for the mode you will use, with the draw each rated runtime implies
The charge budget at 80%, and its fixes: a lower mode, two zones, a second battery or a bigger model
A robot sized to the floor: carpet at its Max runtime, and zones before a bigger robot
A floor and stopwatch sheet, a three-model spec-sheet reconciler and a charge budget worksheet
Reference tables: what 10 minutes uses, the runtime to shop for, pascals to inches, a year of running costs
A personalised sheet: your minutes, the runtime to shop for, your battery's budget, robot coverage and suction figures

Plus a second PDF, worked out for you

Run one of the free calculators first and buy from that page, and this sheet is computed from your own figures. Buy from here and the pack still arrives complete — the sheet simply has no numbers of yours to work from yet.

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$19.00 including any taxes · PDF, 23 pages · instant download, link valid 7 days and 5 downloads.
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