1. What is an Electric Pool Heater Size Calculator?

Definition: This calculator determines the heating capacity in BTU/h based on the electrical power input in watts.

Purpose: It helps pool owners and professionals properly size electric pool heaters for efficient operation.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q \) — Heating power (BTU/hour)
• \( P \) — Electrical power input (Watts)
• 3412 — Conversion factor (BTU/hour per Watt)

Explanation: The electrical power is multiplied by the standard conversion factor to determine the equivalent heating capacity.

3. Importance of Proper Heater Sizing

Details: Correct sizing ensures efficient pool heating, prevents energy waste, and extends equipment lifespan.

4. Using the Calculator

Tips: Enter the electrical power rating of your heater in watts. The value must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why 3412 as the conversion factor?
A: This is the standard conversion from watts to BTU/h (1 Watt = 3.412 BTU/h).

Q2: How do I find my heater's electrical power?
A: Check the manufacturer's specifications or nameplate rating on the heater unit.

Q3: Does this account for heat loss?
A: No, this is the theoretical maximum. Actual heating needs may be higher due to pool heat loss.

Q4: What's a typical size for residential pools?
A: Most residential electric pool heaters range from 5,000 to 50,000 BTU/h.

Q5: Should I oversize my heater?
A: Generally no - electric heaters are efficient at maintaining temperature rather than quick heating.