Legislation and competence
Certificates, supervised training, scope of authority and operator duties.
Professional competence preparation
Confidence in the boiler room starts here.
Practise safe operation, Czech legislation and boiler-room procedures at your own pace, with a clear explanation for every answer.
5 topicslegislation through inspections
Offlinestudy without a connection
Privateresults stay on your device
80%target score
Sample test
Three warm-up questions
The web sample is intentionally short. The complete question bank and result history belong in the mobile app.
Structured preparation
From rules to safe decisions
Operation and safety
Start-up, monitoring, shutdown, protective equipment and emergency states.
Water, combustion and inspections
Water treatment, corrosion, efficient combustion, checks and records.
Boiler operator exams in Czechia
What an operator needs to know
Independent operation of designated steam and hot-water boilers requires professional competence in the applicable scope. Kotelna turns broad subjects into short lessons and practice questions. It supplements — and does not replace — supervised training, an approved course or equipment documentation.
Traceable source material
Built on official requirements
Kotelna for Android
Keep the complete question bank within reach.
Offline lessons, mock exams, explanations and previous result history.