Tool
My engineering estimate
Build a package – heating, ventilation, cooling, hot water – and get a preliminary scope.
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Other tools
ConfiguratorAnswer a few questions and get 2–3 potential solutions with reasons and a 3D view.ComparisonGas, air-to-water, air-to-air, ground source, LPG – for your house, with every assumption shown.Heat pump sizeNot by m² – by energy class, insulation, location, emitters and hot water.Ventilation plannerAirflows per room, supply and extract zones, unit size, 3D airflow.DiagnosticsChoose symptoms – see likely causes and the right service.