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Lighting Load Calculator

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Input Parameters

Unit System

Imperial (°F, BTU, ft)SI (°C, kW, m)

Area (sq ft)

Lighting Density (W/sq ft)

Results

Lighting Load

5,118

Lighting Load BTU/hr

2

Lighting Density W/sq ft

Load Breakdown

Lighting Load5,118 BTU/hr(100%)

Density1.5 W/sq ft(30%)

Lighting Heat Gain

Calculation Steps

1

Calculate Lighting Load in Watts

Formula:

Q_W = W_{lighting} \times A_{ft²}

Calculation:

Q_W = 1.5 \times 1000.00

Result:

1500.00 \text{ W}

2

Convert to BTU/hr

Formula:

Q_{BTU/hr} = Q_W \times 3.41214

Calculation:

Q_{BTU/hr} = 1500.00 \times 3.41214

Result:

5118.21 \text{ BTU/hr}