TomKat Learning Hub

Everything useful, in one place.

Free practical tools for engineers and learners.Plus ACS challenges, downloads and technical videos.

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Pick what you need today.

No account is needed for these public tools and resources. Tap a card and get straight to it.

Three levels, real ACS-style scenarios and a live leaderboard. Perfect scores only.

Play the ACS Game On-site supportEngineer tools

Calculators and step-by-step helpers, all collected in one mobile-friendly toolkit.

View all tools Keep and printDownloads

Worksheets, technical sheets, pipe-sizing support and classroom resources.

Browse resources Learn with DerekTechnical videos

Practical demonstrations, topic breakdowns and industry guidance from TomKat.

Quick access

Installation volume and pressure-drop support.

Convert timed meter readings quickly.

Structured let-by and testing support.

Calculate common ventilation requirements.

More practical support

Use structured prompts when you need a sensible starting point, while always following the exact manufacturer instructions and current requirements.

For ACS candidates

Test your judgement in the ACS Game, then use TomKat’s technical videos and downloads to revisit the subjects that need more attention.

Practical support, not a substitute for competent judgement

Use current legislation, industry standards, manufacturer instructions and safe testing procedures throughout.