### Question
How does the law define weatherized warm air furnace or boiler?


### Answer
Under *42 U.S.C. § 6291*, **weatherized warm air furnace or boiler** is defined as:

> a furnace or boiler designed for installation outdoors, approved for resistance to wind, rain, and snow, and supplied with its own venting system

#### 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**

