### Question
What is the definition of useful thermal energy?


### Answer
The definition of **useful thermal energy** is as follows in *42 U.S.C. § 6341*:

> energy—


(A) in the form of direct heat, steam, hot water, or other thermal form that is used in production and beneficial measures for heating, cooling, humidity control, process use, or other valid thermal end-use energy requirements

#### Citation:
  - *42 U.S.C. § 6341*
  - Heading: **CHAPTER 77-ENERGY CONSERVATION > SUBCHAPTER III-IMPROVING ENERGY EFFICIENCY > Part C-Industrial Energy Efficiency**

