1. What is a Garage Heating BTU Calculator?

Definition: This calculator estimates the heating load required for a garage space based on area, BTU requirements per square foot, and a garage-specific factor.

Purpose: It helps homeowners and HVAC professionals determine the appropriate heating capacity needed for garage spaces.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q \) — Heating load (BTU/h)
• \( A \) — Garage area (square feet)
• \( \text{BTU/ft}^2 \) — BTU requirement per square foot
• \( F_g \) — Garage factor (typically 1.4 for uninsulated spaces)

Explanation: The base heating requirement is multiplied by a garage factor to account for higher heat loss in garage spaces.

3. Importance of Proper Garage Heating Calculation

Details: Accurate heating load calculation ensures comfortable temperatures, energy efficiency, and proper sizing of heating equipment.

4. Using the Calculator

Tips: Enter the garage area in square feet, BTU per square foot (default 30 BTU/h·ft²), and garage factor (default 1.4). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is the garage factor higher than 1?
A: Garages typically have more heat loss due to poor insulation, large doors, and construction materials, requiring more BTU per square foot.

Q2: What's a typical BTU per square foot value?
A: For garages, 30-50 BTU/h·ft² is common, but this varies by climate and insulation quality.

Q3: When would I adjust the garage factor?
A: Use lower factors (1.0-1.2) for insulated garages, higher (1.5-2.0) for uninsulated spaces in cold climates.

Q4: How do I measure my garage area?
A: Multiply length by width of your garage space in feet to get square footage.

Q5: Does this include extreme cold conditions?
A: No, for temperatures below 0°F, consider increasing the BTU per square foot value.