DISCLAIMER

The Low-Temperature Readiness Calculator is provided for informational purposes only and does not constitute professional advice or guarantee the suitability, performance, cost, compliance, or outcome of any heating system, renovation, or building improvement.

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Is Your Building
Low Temperature Ready?

Enter building data and find out if it's Low-Temperature Ready — no engineering degree required.

01 — Building & Location

Façade area by orientation m²

Window area by orientation m²

Monthly temperature (°C)

Solar irradiation North W/m²

Solar irradiation East W/m²

Solar irradiation South W/m²

Solar irradiation West W/m²

Solar irradiation Horizontal W/m²

02 — Thermal Envelope (U-values)

03 — Ventilation

04 — Heating System

05 — Other Parameters

Low-Temperature Readiness Status

—
—
Space heating energy need
—
Final energy delivered
—
System SCOP
—
Peak heating load
Energy need vs. thresholds for selected climate zone
0 — — 220 kWh/m²a

Possible improvement measures

✓ LTR Status obtained with selected measures