Swimming Pool Heat Pump Calculator

Heat Required Formula:

\[ Q = \frac{Volume \times \rho \times c \times \Delta T}{Time} \]

Pool Volume:

m³

Water Density (ρ):

kg/m³

Specific Heat Capacity (c):

J/kg·K

Temperature Difference (ΔT):

Heating Time:

seconds

Heat Required (Q):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is a Swimming Pool Heat Pump Calculator?

Definition: This calculator estimates the heat energy required to raise the temperature of a swimming pool by a specified amount within a given time period.

Purpose: It helps pool owners and professionals determine the appropriate heat pump size for their swimming pool.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Q = \frac{Volume \times \rho \times c \times \Delta T}{Time} \]

Where:

\( Q \) — Heat required (Joules)
\( Volume \) — Pool volume (cubic meters)
\( \rho \) — Water density (kg/m³, default 1000)
\( c \) — Specific heat capacity of water (J/kg·K, default 4186)
\( \Delta T \) — Desired temperature increase (Kelvin)
\( Time \) — Desired heating time (seconds)

Explanation: The formula calculates the energy needed to heat the entire volume of water by the specified temperature difference, then divides by time to get the required power.

3. Importance of Heat Calculation

Details: Proper heat calculation ensures efficient pool heating, correct heat pump sizing, and energy cost estimation.

4. Using the Calculator

Tips: Enter pool volume, water density (default 1000 kg/m³), specific heat capacity (default 4186 J/kg·K), desired temperature increase, and heating time. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: How do I convert the result to kW?
A: Divide the result (in Joules) by 1000 to get kJ, then divide by heating time in seconds to get kW.

Q2: What's the typical temperature difference for pools?
A: Common ΔT values range from 5-15°C (same as Kelvin for differences) depending on climate and desired comfort.

Q3: Why use seconds for time?
A: The formula uses SI units; you can convert hours to seconds (×3600) for practical calculations.

Q4: How accurate are the default values?
A: The defaults are precise for pure water at standard conditions. Saltwater pools may need slight adjustments.

Q5: Does this account for heat loss?
A: No, this calculates ideal heat requirements. Add 20-30% for real-world heat loss through evaporation and conduction.