Housing unit in Census Metropolitan Statistical Area or Micropolitan Statistical Area

Number of stories in a single-family home

Total number of rooms in the housing unit, excluding bathrooms

Months swimming pool used in the last year

Outlet within 20 feet of vehicle parking

On-site electricity generation from solar

Door arrangement of most-used refrigerator

Through-the-door ice on most-used refrigerator

Door arrangement of second most-used refrigerator

Location of second most-used refrigerator

Frequency of use of cooktop part of stove

Number of cable or satellite boxes without DVR

Number of cable or satellite boxes with DVR

Number of printers, scanners, fax machines, or copiers

No space heating equipment, or unused space heating equipment

Main heating equipment household behavior

Winter temperature when someone is home during the day

Winter temperature when no one is home during the day

Number of months humidifier used in last year

Programmable thermostat for central air conditioner

Central air conditioner household behavior

Number of individual air conditioning units used

Age of most-used individual air conditioning unit

Most-used individual air conditioning unit household behavior

Summer temperature when someone is home during the day

Summer temperature when no one is home during the day

Number of floor, window, or table fans used

Number of months dehumidifier used in last year

Water heater in apartment or other part of building

Number of light bulbs installed inside the home

Number of inside light bulbs turned on at least 4 hours a day

Portion of inside light bulbs that are incandescent

Portion of inside light bulbs that are CFL

Portion of inside light bulbs that are LED

Inside light bulbs controlled by timers or dimmer switches

Number of light bulbs installed outside the home

Outside light bulbs controlled by motion detectors or light sensors

Made changes suggested by home energy auditor

Received free or subsidized energy-efficient light bulbs

Received free or subsidized home energy audit

Received utility or energy supplier rebate for new appliance or equipment