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Radiator BTU Calculator From Size

Radiator BTU Formula:

\[ BTU = Length (in) \times Height (in) \times Factor (BTU/in²) \]

inches
inches
BTU/in²

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1. What is the Radiator BTU Calculator?

The Radiator BTU Calculator estimates the heat output of a radiator based on its physical dimensions and heat transfer factor. This calculation helps determine if a radiator is appropriately sized for a given space.

2. How Does the Calculator Work?

The calculator uses the radiator BTU formula:

\[ BTU = Length (in) \times Height (in) \times Factor (BTU/in²) \]

Where:

Explanation: The formula calculates the total heat output by multiplying the radiator's surface area by its specific heat transfer factor.

3. Importance of BTU Calculation

Details: Accurate BTU calculation ensures proper heating system design, prevents underheating or overheating, and optimizes energy efficiency in residential and commercial spaces.

4. Using the Calculator

Tips: Enter radiator length and height in inches, and the appropriate BTU factor from manufacturer specifications. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is a typical BTU factor for radiators?
A: BTU factors vary by radiator type and material, typically ranging from 0.5 to 2.0 BTU/in². Consult manufacturer specifications for exact values.

Q2: How do I determine the right BTU output for a room?
A: Room BTU requirements depend on room size, insulation, windows, and climate. Generally, calculate 20 BTU per square foot for standard rooms.

Q3: Can I use this calculator for different radiator types?
A: Yes, but ensure you use the correct BTU factor for your specific radiator type (steel, cast iron, aluminum, etc.).

Q4: Why are dimensions in inches instead of centimeters?
A: BTU calculations in North America typically use imperial units. For metric, convert to square meters and use W/m² factors.

Q5: How accurate is this calculation method?
A: This provides a good estimate, but actual performance may vary based on water temperature, flow rate, and installation conditions.

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