Tools
Eight tools that do the math marketing leaves out.
Headline prices, idle draw, overfill factor, grid carbon intensity. The variables that actually matter, with your numbers, not the average.
Decision
Tap finder
Five questions, your top boiling tap matches. Scored against our transparent rubric.
Open tool →Compare
Comparison table
Every model in one sortable table. Price, boiling temp, tank, idle power and warranty, side by side.
Open tool →Cost
Running cost calculator
Real annual cost in your kitchen. Energy, filters, the full picture.
Open tool →Comparison
Kettle vs tap savings
Does a boiling tap actually save money against a kettle? Includes the case where it does not.
Open tool →Cost
Filter cost calculator
Cartridge prices, annual replacement, 10-year filter spend. The hidden cost of 4-in-1 taps.
Open tool →Cost
Install cost estimator
Plumber rates by UK region, electrician callout, cabinet modifications. Estimate before you buy.
Open tool →Cost
Total cost of ownership
5-year and 10-year all-in cost. Purchase + install + energy + filters in one number.
Open tool →Sustainability
Carbon footprint
CO2 per year against a kettle, with UK grid intensity. Honest including when the kettle wins.
Open tool →