B.__Is designed for use by more than one household, such as in multifamily housing, apartments or coin laundries.

8.__Commercial prerinse spray valve.__"Commercial prerinse spray valve" means a hand-held device that is designed and marketed for use with commercial dishwashing and ware washing equipment and that sprays water for the purpose of removing food residue prior to cleaning.

9.__Commercial refrigerator, freezer or refrigerator-freezer.__ "Commercial refrigerator, freezer or refrigerator-freezer" means self-contained refrigeration equipment that:

A.__Is not a consumer product as regulated pursuant to 42 United States Code, Section 6291 et seq.;

B.__Operates at a chilled, frozen, combination of chilled and frozen or variable temperature for the purpose of storing or merchandising food, beverages or ice;

C.__May have transparent or solid hinged doors, sliding doors or a combination of hinged and sliding doors; and

D.__Incorporates most components involved in the vapor- compression cycle and the refrigerated compartment in a single cabinet.

This term does not include units with 85 cubic feet or more of internal volume, walk-in refrigerators or freezers, units with no doors or freezers specifically designed for ice cream.

10.__DC.__"DC" means direct current.

11.__Digital television adapter.__"Digital television adapter" means an electronic product for which the sole purpose is the conversion of digital video terrestrial broadcast signals to analog video signals for use by an analog device such as a television.__This term does not include cable or satellite television set-top boxes.

12.__Electricity ratio.__"Electricity ratio" is the ratio of furnace electricity use to total furnace energy use.

13.__Furnace air handler.__"Furnace air handler" means the section of the furnace that is generally upstream of the burners