Heating Load Formula:
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Heating load is the amount of heat energy required to maintain a comfortable temperature in a building. It's measured in British Thermal Units per hour (BTU/h) and helps determine the appropriate size for heating systems.
The calculator uses the simplified heating load formula:
Where:
Explanation: This simplified formula provides a rough estimate for residential heating needs in moderate climates. More detailed calculations would consider insulation, windows, climate zone, and other factors.
Details: Proper heating load calculation ensures your heating system is correctly sized - neither too small (inadequate heating) nor too large (short cycling, inefficiency).
Tips: Enter your home's total heated area in square feet. The calculator provides a basic estimate suitable for preliminary planning.
Q1: Is this formula accurate for all homes?
A: This is a simplified estimate. Actual heating needs vary based on insulation, windows, climate, and other factors.
Q2: What if I live in a very cold climate?
A: In colder climates, the multiplier might range from 40-60 BTU/sq ft instead of 30.
Q3: Should I include unheated spaces?
A: No, only include areas that will be actively heated.
Q4: How does ceiling height affect heating load?
A: Higher ceilings increase volume and thus heating needs, but this simple formula doesn't account for that.
Q5: What about heat loss through windows?
A: More detailed calculations would factor in window area, type, and orientation.