### Question
How does the law define packaged terminal air conditioner?


### Answer
Under *42 U.S.C. § 6311*, **packaged terminal air conditioner** is defined as:

> a wall sleeve and a separate unencased combination of heating and cooling assemblies specified by the builder and intended for mounting through the wall

#### Citation:
  - *42 U.S.C. § 6311*
  - Heading: **CHAPTER 77-ENERGY CONSERVATION > SUBCHAPTER III-IMPROVING ENERGY EFFICIENCY > Part A&ndash;1-Certain Industrial Equipment**

