Whitney Bank in Louisiana Routing Number, Address, Swift Codes. 109 branches found. A routing number is a 9 digit code for identifying a financial institution for the purpose of routing of checks (cheques), fund transfers, direct deposits, e-payments, online payments, and other payments to the correct bank branch.
Mike McCune/Flickr. Definition: A British Thermal Unit (BTU) is the amount of heat energy needed to raise the temperature of one pound of water by one degree F. This is the standard measurement used to state the amount of energy that a fuel has as well as the amount of output of any heat generating device. You might be able to imagine it this way.
A BTU or British Thermal Unit is the amount of heat required to raise 1 pound of water 1 degree Fahrenheit. All gas appliances are rated in BTU's/hr Input which is an approximation of the amount of gas consumed on full fire in one hour as expressed in terms of the heat potential of the gas.