2 ms·
Roughly $1 to use one watt for a year. 14 watt bulb takes $14 to light for a year. Varies with electric rates of course, but this is still a useful estimate.
by aaronax 3y ago
Roughly $1 to use one watt for a year. 14 watt bulb takes $14 to light for a year.
Varies with electric rates of course, but this is still a useful estimate.
- bgirard 3y agoThat's a good rule of thumb, thank you!