Calculator

The building goes dark.

Move the controls - numbers and the cross-section update live, no reload. Every formula is deterministic and traceable in Method & Sources; nothing is generated by AI at runtime. The link in your address bar always reproduces exactly what you see.

Height fields are optional - leave both blank to skip the unbuilt-volume estimate; the height delta is never guessed from a norm (see Method & Sources). Inputs shown above are the values actually used after sanity clamping.

Capex avoided €224,000 – €525,000 one‑time, building envelope
Opex avoided €9,890 – €29,300/yr every year, at 0.1556 €/kWh
Energy avoided 63,600 – 188,000 kWh/yr cooling + ventilation + lighting
Breakdown by building system
System Capex avoided Energy saved /yr Opex saved /yr
Comfort HVAC [1] €144,000 – €285,000 32,400 – 114,000 kWh/yr €5,040 – €17,700/yr
Unbuilt height [2] €80,000 – €240,000 — —
Per‑person ventilation (Rp) [3] — 117 – 467 kWh/yr €18 – €73/yr
General lighting [4] — 31,100 – 73,800 kWh/yr €4,830 – €11,500/yr
Total avoided €224,000 – €525,000 63,600 – 188,000 kWh/yr €9,890 – €29,300/yr

What stays — electronics & battery cabinet, 15–35 °C [5]

This is not a saving. It is the slice of comfort conditioning the robot‑only building still pays for - targeted at the cabinet instead of the whole volume.

€8,000 – €30,000capex still needed
1,800 – 12,000 kWh/yrenergy still used
€280 – €1,870/yrcost still incurred

Scope: cooling, ventilation and lighting only. Winter heating is excluded on purpose - a conservative choice that only makes the real saving bigger, see Method & Sources. Electricity priced at 0.1556 €/kWh - an editable input; set it to your own tariff.

HUMAN‑RATED

Warehouse cross-section: human-rated vs robot-only envelope Cross-section of a 2,000 m² industrial building. In the human-rated state the ceiling is 9 m high with HVAC ducts, general lighting and per-person ventilation for 12 people. In the robot-only state the lights go dark, comfort systems disappear, the ceiling drops to 5 m leaving a dashed ghost of the unbuilt height, and only the amber electronics cabinet (15–35 °C) stays conditioned. Rp · per‑person air — goes (×12) 15–35 °C this stays cross‑section · 2,000 m² · 12 people baseline human comfort 20–26 — goes electronics & batteries 15–35 — stays 0 15 20 26 35 55 °C
Parametric cross-section of the building: the human-rated envelope needs comfort HVAC, lighting and per-person ventilation; the robot-only envelope goes dark and low, keeping only the 15–35 °C electronics cabinet conditioned.

ROBOT‑ONLY

Warehouse cross-section: human-rated vs robot-only envelope Cross-section of a 2,000 m² industrial building. In the human-rated state the ceiling is 9 m high with HVAC ducts, general lighting and per-person ventilation for 12 people. In the robot-only state the lights go dark, comfort systems disappear, the ceiling drops to 5 m leaving a dashed ghost of the unbuilt height, and only the amber electronics cabinet (15–35 °C) stays conditioned. Rp · per‑person air — goes (×12) 15–35 °C this stays cross‑section · 2,000 m² · 12 people baseline human comfort 20–26 — goes electronics & batteries 15–35 — stays 0 15 20 26 35 55 °C
Parametric cross-section of the building: the human-rated envelope needs comfort HVAC, lighting and per-person ventilation; the robot-only envelope goes dark and low, keeping only the 15–35 °C electronics cabinet conditioned.

Every result on this page is a range, never a single false‑precise figure. The link always reproduces this exact estimate - share it instead of a screenshot.

Method & sources Back to overview