Btu per hour: BTU per hour (BTU/h) is a unit of power that describes the power of heating and cooling systems, such as furnaces, ovens, and air conditioners. One BTU per hour is the rate at which one British Thermal Unit of energy is transferred in one hour. For example, the cooling capacity of a residential air conditioner might be rated at 10,000 BTU per hour.
Kilowatt: The kilowatt (kW) is a unit of power equal to one thousand watts. It is commonly used to express the output power of engines and the power consumption of electric devices. For example, the power consumption of a typical household appliance such as a microwave oven is around 1 kilowatt.
| Btu per hour | Kilowatt |
|---|---|
| 1936 | 0.5674416000 |
| 1937 | 0.5677347000 |
| 1938 | 0.5680278000 |
| 1939 | 0.5683209000 |
| 1940 | 0.5686140000 |
| 1942 | 0.5692002000 |
| 1943 | 0.5694933000 |
| 1944 | 0.5697864000 |
| 1945 | 0.5700795000 |
| 1946 | 0.5703726000 |