1. What is an Electric Heater BTU Calculator?

Definition: This calculator converts electric power in watts to heat output in BTU/h for electric heaters.

Purpose: It helps determine the heating capacity of electric heaters for residential or commercial applications.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q \) — Heat output (BTU/h)
• \( P \) — Electric power (Watts)

Explanation: The formula converts electrical energy to thermal energy using the conversion factor 3412 BTU/h per kW (or 3.412 BTU/h per Watt).

3. Importance of BTU Calculation

Details: Proper BTU calculation ensures adequate heating capacity for spaces, energy efficiency, and proper equipment sizing.

4. Using the Calculator

Tips: Enter the electric heater's power rating in watts. The value must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why 3412 as the conversion factor?
A: 3412 BTU/h equals 1 kW, which is the standard conversion between electrical power and heat output.

Q2: Is this accurate for all electric heaters?
A: Yes, electric heaters are 100% efficient at converting electricity to heat, so this calculation is precise.

Q3: How does this compare to gas heaters?
A: Gas heaters have different efficiency ratings, so their BTU output would need to account for efficiency percentage.

Q4: Can I use this for heat pumps?
A: No, heat pumps typically produce more BTU/h than the electrical input due to their heat transfer mechanism.

Q5: What's a typical wattage for space heaters?
A: Most residential space heaters range from 750W to 1500W, producing 2,559 to 5,118 BTU/h respectively.