Tools
HeatAlgo is three calculation modules in one account - OZC heat loss per PN-EN 12831-1, underfloor heating design on a floor plan and preliminary heat pump sizing - plus a client form with AI that collects the client's data for you. Choose a tool and get started.
Heat pump selection + radiator analysis
Enter the building and radiator data. Get a pump selection across 3 temperature variants and a room-by-room analysis of which radiators to replace. Professional PDF for your client.
Learn more →Heat loss calculations (OZC)
Heat loss calculations per PN-EN 12831-1 (with ISO 6946 and ISO 13370). Every wall layer visible, full calculation transparency. Full compliance covers residential buildings with natural, mechanical, or MVHR ventilation, without air transfer devices (ATDs).
Learn more →Underfloor heating design
Upload the architect's floor plan, draw heating zones, design the pipe layout with automatic length and output calculations.
Learn more →Try the full app free for 14 days
Create an account and run your first project in the HeatAlgo app, no card required.

