Fans, ceiling
Air conditioners, room
Air conditioners, unitary
Humidifiers
Furnace, electric
Furnace, gas
Furnace, oil
Portable heaters
Heat pumps
Dehumidifiers
Room heaters, vented gas
Room heaters, un vented gas
Water heaters, electric
Water heaters, gas
|
Low
7
7
8
8
9
11
13
8
8
9
7
13
6
5
|
High
18
16
19
13
20
23
23
13
21
13
28
23
21
13
|
Average
13
12
13
10
14
17
18
11
14
11
13
18
14
9
|
|