Home
Back
Pool Heating Formula:
| From: | To: |
The Pool Heating Calculator estimates the required heating power in kilowatts (kW) to heat a swimming pool to the desired temperature within a specified time period. It's essential for proper pool heater sizing and energy planning.
The calculator uses the pool heating formula:
Where:
Explanation: The formula calculates the energy required to heat a specific volume of water by a certain temperature difference within a given time frame.
Details: Accurate heating power calculation is crucial for selecting the right pool heater size, ensuring efficient energy use, and maintaining comfortable swimming temperatures while minimizing operating costs.
Tips: Enter pool volume in cubic meters, desired temperature rise in degrees Celsius, and heating time in hours. All values must be positive numbers.
Q1: Why is 1.163 used in the formula?
A: 1.163 is the specific heat capacity of water, representing the energy required (in kWh) to heat 1 m³ of water by 1°C.
Q2: How do I calculate my pool volume?
A: For rectangular pools: length × width × average depth. For circular pools: π × radius² × average depth. For irregular shapes, consult pool specifications or use water meter readings.
Q3: What factors affect actual heating requirements?
A: Heat loss through evaporation, wind exposure, ground temperature, and pool cover usage can significantly impact actual heating needs.
Q4: Should I add a safety margin to the calculated kW?
A: Yes, it's recommended to add 10-20% safety margin to account for heat losses and ensure the heater can maintain temperature in adverse conditions.
Q5: Can this calculator be used for hot tubs or spas?
A: Yes, the same formula applies to any body of water, though heat loss may be proportionally higher in smaller volumes.