1. What is a Radiator Heat Output Estimate?

Definition: This calculator estimates the required radiator heat output based on room area.

Purpose: It helps homeowners and heating professionals determine appropriate radiator sizing for efficient room heating.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_{kW} \) — Radiator heat output (kilowatts)
• \( A_{room} \) — Room area (square meters)

Explanation: The formula converts the heat requirement (44.6 BTU per square meter) to kilowatts (1 kW = 3412 BTU).

3. Importance of Proper Radiator Sizing

Details: Correct radiator sizing ensures efficient heating, prevents energy waste, and maintains comfortable room temperatures.

4. Using the Calculator

Tips: Simply enter the room area in square meters. The value must be greater than 0.

5. Frequently Asked Questions (FAQ)

Q1: Why 44.6 BTU per square meter?
A: This is a standard value for moderate climate zones. Colder areas may require up to 60 BTU/m².

Q2: Does this account for room insulation?
A: No, this is a basic estimate. Poor insulation may require 20-30% more output.

Q3: What about room height?
A: Standard calculation assumes 2.4-2.7m ceilings. For higher ceilings, multiply by height factor.

Q4: How do I convert kW to BTU?
A: Multiply kW by 3412 to get BTU/h (1 kW = 3412 BTU/h).

Q5: Should I round up the radiator size?
A: Yes, it's recommended to round up to the nearest standard radiator size.