Say i have a 75 watt light bulb, it that 75 watts per hour?
What about a 1000 watt space heater, is that 1000 watts per hour?
Thanks.
What about a 1000 watt space heater, is that 1000 watts per hour?
Thanks.
Are home appliance wattage ratings a per hour usage?
- Thread starter Shockwave
- Start date
Then how can you figure cost-to-use based on wattage ratings. I ask because we have a little space heater in the basement, 1500 watts. I'm curious what it costs to run that damned thing.
Watt [W] is the unit of Power (P)
Work W=P*t
The Work done equals the energy spent
The unit of energy is Joules [J] 1J=1N*m=1kg*m^2*s^-2 ; 1W=1N*m*s^-1 -> 1kWh= 3600kJ
Work W=P*t
The Work done equals the energy spent
The unit of energy is Joules [J] 1J=1N*m=1kg*m^2*s^-2 ; 1W=1N*m*s^-1 -> 1kWh= 3600kJ
It costs quite a bit. Keep it off when you're not using the room.
A 1500 watt heater uses 1500 watt-hours (1.5 Kilowatt-hours) each hour it runs.
Your electric bill will list how much you pay for a kwh. (Kilowatt-hour) That's how much it costs to use 1000 watts for one hour.
So your space heater uses 1.5 kwh, or probably about $0.09 - $0.20 for every hour you leave it on.
So your space heater uses 1.5 kwh, or probably about $0.09 - $0.20 for every hour you leave it on.
Unfortunately thats not an option.
The room isnt heated for people, but rather the tropical plants my wife keeps down there. She would be mucho ass chewin pised if I turned it off and froze her plants to save a few bucks.If you can estimate how many hours it runs, you can estimate its cost.
The national average for electricity is something like $0.085 cents/kWh.
So if your heater runs for 8 hours a day, that is 12kWh(1.5 * 8), which would cost $1.02 if your electricity is $0.085/kWh.
If it's on for 12 hours a day, it would be $1.53/day.
Look at your electric bill. It will say XXXX kWh at $X.XXXX/kWh. You can figure out almost exactly how much it costs if you can figure out how long it runs a day on average.
It's probably about 30 - 45$/month though, unless the insulation down there is good and it only runs for ~4 hours a day or something... in which case, it would still be ~$15/mo.
The national average for electricity is something like $0.085 cents/kWh.
So if your heater runs for 8 hours a day, that is 12kWh(1.5 * 8), which would cost $1.02 if your electricity is $0.085/kWh.
If it's on for 12 hours a day, it would be $1.53/day.
Look at your electric bill. It will say XXXX kWh at $X.XXXX/kWh. You can figure out almost exactly how much it costs if you can figure out how long it runs a day on average.
It's probably about 30 - 45$/month though, unless the insulation down there is good and it only runs for ~4 hours a day or something... in which case, it would still be ~$15/mo.
You'll find that electric space heaters will increase your electric bill a lot. If the heating elements run 30-50% of the time, it will increase your bill $15-60 per month, depending on your electric rate.
Try to insulate the room as well as you can to reduce the time the heater runs. If it's running in the whole basement, not just a small room in the basement, try to cordon off a smaller air-space with some curtains or plastic sheeting so that you're not wasting energy heating the whole basement.
If you have forced air heat, consider running a heating duct from the main plenum to the area that needs to be heated.
Also, find out the minimum temp these tropical plants will happy with, bring a thermometer down there, and adjust the space heater's thermostat accordingly.
Try to insulate the room as well as you can to reduce the time the heater runs. If it's running in the whole basement, not just a small room in the basement, try to cordon off a smaller air-space with some curtains or plastic sheeting so that you're not wasting energy heating the whole basement.
If you have forced air heat, consider running a heating duct from the main plenum to the area that needs to be heated.
Also, find out the minimum temp these tropical plants will happy with, bring a thermometer down there, and adjust the space heater's thermostat accordingly.
its 8.5 cents or $.085. Not .085 cents. Just to clarify for anyone that reads it. (I don't mean to be a smartass or anything)
A space heater will probably be somewhat more efficient than a heatlamp.
In general though - it sounds like a very bad idea using a space heater to heat a room for plants. They are called "space heaters" because they are designed to heat a small area, and usually for a short time. In addition, in case you don't watch the news, they're pretty popular as the cause of burning people's houses down...
I can't imagine that the plants need temperatures much about 60 degrees or so?? You could probably do a safer and cheaper job of heating them with heat lamps or grow lamps or hell even just plain lamps. I had a rented garage with my apartment (unheated) and I liked going in there to work on the car occasionally (plus didn't want the car to get too cold <laugh>) so I just put a 200w lamp in there and left it on all the time. 200w is not a tremendous amount of heat, but it probably kept the small garage 5-10 degrees warmer than it would have been otherwise. I actually considered a space heater for about .03 seconds, before I realized how dangerous that would have been.
In general though - it sounds like a very bad idea using a space heater to heat a room for plants. They are called "space heaters" because they are designed to heat a small area, and usually for a short time. In addition, in case you don't watch the news, they're pretty popular as the cause of burning people's houses down...
I can't imagine that the plants need temperatures much about 60 degrees or so?? You could probably do a safer and cheaper job of heating them with heat lamps or grow lamps or hell even just plain lamps. I had a rented garage with my apartment (unheated) and I liked going in there to work on the car occasionally (plus didn't want the car to get too cold <laugh>) so I just put a 200w lamp in there and left it on all the time. 200w is not a tremendous amount of heat, but it probably kept the small garage 5-10 degrees warmer than it would have been otherwise. I actually considered a space heater for about .03 seconds, before I realized how dangerous that would have been.
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