1kW is 3,412.13 BTU/hr
12,000 BTU/hr
65,000 BTU per hour equates to 19.05 kW
One KW of electricity will give you 3,412 btu of heat.
Almost 340,000 BTU per hr
4600 BTU/hr is 1.3481268kW
34kW is 116,012.828 BTU/hr
14,500 BTU/hr is 4.25kW
9.7kW is 33,097.78 BTU/hr
35kW is 119,424.97 BTU/hr
6kW is 20,472.852 BTU/hr
2.25HP is 5,724.95 BTU/hr