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HeatersRoomSizingGuide
HowToSizeaRoom–QuickCalculation
ModerateClimate(with8’ceilingandadequateinsulation)
SquareFootagex10=Wattsrequired
Example:100Sq.Ft.x10=1,000Watts
ColderClimate(with8’ceilingandadequateinsulation)
SquareFootagex15=Wattsrequired
Example:100Sq.Ft.x15=1,500Watts
HowToFigureBTU’s
Wattagex3.413(constant)=BTU’s(BritishThermalUnit)
Example:1,000Wattsx3.413=3,413BTU’s
Example:4,000Wattsx3.413=13,652BTU’s
OneBTUisthequantityofheatneededtoraiseonepoundof
wateronedegreeFahrenheit
HowToFigureAmperage
Watts/Voltage=Amperage
Example:1,000Watts/120Volts=8.33Amps
HowToFigureVoltage
Watts/Amperage=Voltage
Example:1,000Watts/8.33Amps=120Volts
HowToFigureWattage
VoltagexAmperage=Watts
Example:120Voltsx8.33Amps=1,000Watts
Example:240Voltsx4.16Amps=1,000Watts

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