TGA preliminary design by room group
Technical Floor Area Estimator
Fast and accurate estimate of the space required for your technical plant rooms (electrical, ventilation, heating). A must-have for architects and project developers in early HOAI phase 2-3.
Building data
2.500 m²
Note: These figures serve as a rough preliminary estimate. Hospitals, for example, have a significantly higher share of technical floor area (approx. 11%) than residential complexes (approx. 4%).
Recommended space requirement
Total technical usable area
175m²
Recommended guideline for plant rooms and shafts
Electrical & control systems
44 m²
Main distribution, transformer, server, ISP
Ventilation
79 m²
Ventilation plant rooms
Heating & cooling
35 m²
Heat generators, chillers
Plumbing
18 m²
Water, wastewater