BTU, or British thermal unit, is the industry-standard used to measure the heating efficiency of furnaces. In addition to BTU ratings, furnace manufacturers might include a Manual J Load rating and a percentage of energy efficiency.
A debenture is a type of debt instrument that is not secured by physical assets or collateral. Debentures are backed only by the general creditworthiness and reputation of the issuer. Both corporations and governments frequently issue this type of bond to secure capital.
The major difference between a bond and a promissory note is that a bond has longer maturity terms. Also, a bond is released in a stamped, certified and official series. A â¦ promissory note is made on an individual basis and specifies the terms of the loan including interest and maturity date.