Garage Heating BTU Equation:
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The Garage Heating BTU calculation estimates the required heating capacity in British Thermal Units per hour (BTU/h) needed to effectively heat a garage space based on volume and temperature difference.
The calculator uses the garage heating equation:
Where:
Explanation: The equation calculates the heating requirement based on the space volume and the temperature difference that needs to be maintained.
Details: Accurate BTU calculation ensures you select the right size heater for your garage, preventing energy waste from oversized units or insufficient heating from undersized units.
Tips: Measure your garage dimensions to calculate volume (length × width × height). Determine ΔT by subtracting the coldest expected outdoor temperature from your desired indoor temperature.
Q1: Why is volume important in BTU calculation?
A: Larger spaces require more heating capacity. Volume directly affects how much air needs to be heated and maintained at the desired temperature.
Q2: What is a typical ΔT for garage heating?
A: This depends on your climate. In cold regions, ΔT could be 40-60°F or more when heating from freezing temperatures to comfortable working temperatures.
Q3: Does insulation affect BTU requirements?
A: Yes, well-insulated garages require less BTU/h. This calculation provides a baseline - adjust upward for poor insulation or downward for excellent insulation.
Q4: Can I use this for other spaces?
A: This formula is specifically calibrated for garage spaces. Other room types may require different heating factors.
Q5: What if my garage has high ceilings?
A: Include the full volume in your calculation. High ceilings increase the space volume and therefore require more heating capacity.