### Question
How does ENERGY CONSERVATION define unit heater?


### Answer
Under *42 U.S.C. § 6291*, **unit heater** is defined as:

> a self-contained fan-type heater designed to be installed within the heated space

#### Citation:
  - *42 U.S.C. § 6291*
  - Heading: **CHAPTER 77-ENERGY CONSERVATION > SUBCHAPTER III-IMPROVING ENERGY EFFICIENCY > Part A-Energy Conservation Program for Consumer Products Other Than Automobiles**

