https://www.engineeringtoolbox.com/air-properties-d_156.html said:
- Specific heat capacity (Cv) air at 0°C and 1 bara: 0.7171 kJ/kgK = 0.17128 Btu(IT)/(lbm °F) or kcal/(kg K)
To calculate the BTU (British Thermal Unit) for a fireplace-based heater, you will need to measure the length, width, and height of the room in feet. Then, multiply these three numbers together to get the cubic footage. Next, determine the desired temperature increase for the room and subtract the current room temperature. Finally, multiply the cubic footage by the temperature increase and then by 20. This will give you the BTU needed for the room.
BTU is important for a fireplace-based heater because it measures the amount of heat output the heater is capable of producing. This helps determine if the heater is suitable for the size of the room and if it will be able to effectively heat the space.
The factors that can affect the BTU calculation for a fireplace-based heater include the insulation of the room, the number of windows and doors in the room, and the climate of the area. These factors can impact the amount of heat needed to effectively warm the space.
Yes, BTU can be converted to other units of measurement. One BTU is equivalent to approximately 1055 joules, 0.293 watt-hours, or 0.000293 kilowatt-hours.
To ensure the accuracy of your BTU calculation for a fireplace-based heater, it is recommended to use an online BTU calculator or consult with a professional HVAC technician. This will help to account for any additional factors and ensure that the heater is the right size for the space.