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Warehouse Heater Sizing Calculator

Heater Size Formula:

\[ BTUs = Cubic\ Feet \times Temperature\ Rise \times 0.133 \]

ft³
°F

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1. What is a Warehouse Heater Sizing Calculator?

Definition: This calculator estimates the required heating capacity (in BTUs) for a warehouse space based on its volume and desired temperature increase.

Purpose: It helps facility managers, HVAC professionals, and warehouse operators determine the appropriate heater size for maintaining comfortable temperatures.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ BTUs = Cubic\ Feet \times Temperature\ Rise \times 0.133 \]

Where:

Explanation: The formula calculates the energy needed to raise the temperature of the air volume by the specified amount.

3. Importance of Proper Heater Sizing

Details: Correct heater sizing ensures energy efficiency, proper temperature control, and prevents equipment strain from over- or under-sizing.

4. Using the Calculator

Tips: Measure your warehouse dimensions to calculate cubic feet (length × width × height). The default temperature rise of 20°F is typical for most applications.

5. Frequently Asked Questions (FAQ)

Q1: What if my warehouse has high ceilings?
A: The calculation already accounts for total air volume. For very high ceilings (>20 ft), consider adding 10-15% to the result.

Q2: Does this account for insulation quality?
A: No, this is a basic calculation. Poor insulation may require 20-30% more capacity, while excellent insulation may need less.

Q3: What about frequent door openings?
A: For warehouses with constant traffic, add 15-25% to the calculated BTU requirement.

Q4: How does elevation affect the calculation?
A: At higher elevations (above 2,000 ft), air is less dense. Add 4% per 1,000 ft above sea level.

Q5: Is this suitable for other spaces besides warehouses?
A: Yes, it works for any large open space like garages, workshops, or event halls.

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