Converting watts to BTUs per hour is essential for understanding energy output in heating and cooling systems. One watt is equivalent to approximately 3.412142 BTU/h. To perform the conversion, multiply the power in watts by this factor. For example, a 1,000-watt appliance produces about 3,412.142 BTU/h. Conversely, to convert BTU/h to watts, divide the BTU/h value by 3.412142. This conversion is crucial for accurately assessing and comparing the energy performance of various equipment.