Passive House Calculator
Result
Passive House Heating Demand Estimate passive house heating demand. Formula: Heat Loss (kWh/m²) = U-value × ΔT × hours / 1000. Reference for energy standard. — free online calculator.
Formula
- Passive House Calculator calculates its result from U, Hours, Deltat, Value, Area. It uses the formula Heat Loss = U-value × Area × ΔT × hours. Change any input to recalculate the result instantly.
- The main inputs are U-Value, Area, Temperature Difference. Enter them in the units and format shown in the calculator.
- Keep measurements and project assumptions consistent before comparing or combining values.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Passive House
- U-Value: 0.15 W/m²K
- Area: 150 m²
- Temperature Difference: 25 K
Using U = 2, Hours = 3, Deltat = 4, Value = 5, Area = 6, the calculated result is -358.
Sample result: Calculating…
Frequently asked questions
What does the Passive House calculate?
Passive House Heating Demand Estimate passive house heating demand. Formula: Heat Loss (kWh/m²) = U-value × ΔT × hours / 1000. Reference for energy standard. — free online calculator.
Which values should I enter?
Enter U-Value, Area, Temperature Difference using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Heat Loss = U-value × Area × ΔT × hours.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.