FieldengThermal & HVAC
Heat Transfer Through Assembly
Q = U A ΔT through a wall, panel, or other boundary.
Thermal & HVAC
Q = U A ΔT through a wall, panel, or other boundary.
App id: THERM-08. Reference version 1.0.
How to fill it
Fill the inputs. The tool shows the outputs.
On the tool screen, Calc is the working sheet. Presets stores values you reuse. Reference is the formula, assumptions, and provenance below.
Formula
Q = U A ΔTInputs
| Name | Unit |
|---|---|
| U-value | W/m2-K |
| Area | m2 |
| Temperature difference | deltaC |
Outputs
| Name | Unit |
|---|---|
| Heat transfer (hero result) | W |
Diagnose
This tool does not attach diagnose observations.
Assumptions
- U is the overall coefficient including surfaces if those were in THERM-07.
Provenance
- Steady one-dimensional heat flow. Sign of ΔT is preserved.