Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Thermodynamics
Psychrometric Calculator
Compute dew point, wet-bulb temperature, humidity ratio, or enthalpy from dry-bulb temperature, relative humidity, and pressure. Essential for HVAC engineers, meteorologists, and building scientists.
Fill in the required fields to see your result.
Thermodynamics
Heat Pump COP Calculator
Calculate a heat pump's coefficient of performance (COP) from its heating capacity and power draw, with optional correction for defrost-cycle losses below 7 °C. Used to compare heat pump models and assess seasonal energy costs.
Fill in the required fields to see your result.
Key differences
| Psychrometric Calculator | Heat Pump COP Calculator | |
|---|---|---|
| Category | Thermodynamics | Thermodynamics |
| Inputs required | 4 | 4 |
| Result | Psychrometric Property (°C) | Heat Pump COP |
| What it does | Compute dew point, wet-bulb temperature, humidity ratio, or enthalpy from dry-bulb temperature, relative humidity, and pressure. Essential for HVAC engineers, meteorologists, and building scientists. | Calculate a heat pump's coefficient of performance (COP) from its heating capacity and power draw, with optional correction for defrost-cycle losses below 7 °C. Used to compare heat pump models and assess seasonal energy costs. |