Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Engineering
HVAC Heat Load Calculator
Estimates the heating or cooling load for a room or building in BTU/hr based on floor area, ceiling height, insulation quality, temperature difference, and window area. Use it to size furnaces, air conditioners, and heat pumps.
Fill in the required fields to see your result.
Engineering
Heat Conduction Calculator
Compute the steady-state heat flow rate through a flat material layer using Fourier's Law. Useful for insulation design, building envelope analysis, and thermal management of electronic components.
Fill in the required fields to see your result.
Key differences
| HVAC Heat Load Calculator | Heat Conduction Calculator | |
|---|---|---|
| Category | Engineering | Engineering |
| Inputs required | 5 | 6 |
| Result | Total Heat Load (BTU/hr) | Heat Transfer Rate (W) |
| What it does | Estimates the heating or cooling load for a room or building in BTU/hr based on floor area, ceiling height, insulation quality, temperature difference, and window area. Use it to size furnaces, air conditioners, and heat pumps. | Compute the steady-state heat flow rate through a flat material layer using Fourier's Law. Useful for insulation design, building envelope analysis, and thermal management of electronic components. |