1. What is a Radiator Output Calculator?

Definition: This calculator estimates the actual heat output of a radiator in kilowatts based on the temperature difference factor and the radiator's nominal output.

Purpose: It helps heating engineers and homeowners determine the effective heat output of radiators under different temperature conditions.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( kW \) — Actual radiator output (kilowatts)
• \( \Delta T_{factor} \) — Temperature difference factor (dimensionless)
• \( nominal\ output \) — Manufacturer's rated output (Watts)

Explanation: The nominal output is adjusted by the temperature difference factor and converted from Watts to kilowatts.

3. Importance of Radiator Output Calculation

Details: Accurate output calculation ensures proper heating system design, energy efficiency, and comfortable room temperatures.

4. Using the Calculator

Tips: Enter the ΔT factor (typically between 0.5-1.5) and the nominal output in Watts. Both values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is the ΔT factor?
A: The ΔT (delta T) factor represents how the radiator's output changes with the temperature difference between the water and the room.

Q2: Where do I find the nominal output?
A: This is specified by the manufacturer and usually found in the radiator's technical specifications.

Q3: What's a typical ΔT factor value?
A: Standard testing uses ΔT 50 (factor 1.0), but actual operation might use ΔT 30-60 (factors 0.5-1.3).

Q4: Why convert to kilowatts?
A: Heating systems are typically sized in kW, making it a more practical unit for system design.

Q5: Does this account for radiator type?
A: No, the calculation assumes standard panel radiators. Different types may have different output characteristics.