How much does 1500w/5118 btu cost an hour? I am using a space heater to help heat up a room when I am cold. But would it be cheaper to warm up with running the heater on my home or using the space heater in a room?
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In theory Lesley, it will take the same amount of btu's to heat a given space at a given temperature comfortably whether it is getting the btu's from gas burning or consuming electricity.
The cool thing, is that with electricity, there is no wasted heat going up the chimney like there is with any fossil fueled furnace. I personally prefer gas or LP to electric, but there are benefits to both.
Either will be expensive with todays fuel costs and ultimately should be comparablr to one another.
The BTU is what is pretty much required to effectively and efficiently heat to the temperature range you are comfortable with. It's a matter of the maximum degrees you want to raise the temperature. In my case I wanted to be able to increase the ambient temperature in my woodworking workshop from 40 degrees to 65 degrees and I have less than favorable insulation in this workshop, so my desired BTU is 16,359 at 4,794 watts. This heater meets that demand quite nicely.
As for cost, as I mention in the video (link above) the two ceramic space heaters were costing me about $1.56 per evening to heat my workshop. This heater is costing me only about 92 cents for the same length of time. I have immediate savings of over 62 cents per evening of use! Why the huge difference? Because the other two space heaters had to run continuously at combined 3,000 watts for 2 hours to heat the space and then continuously to maintain the desired temperature. The Dr Heater DR966 bring s my workshop from 40 to 60-65 degree in a half hour at 6,000 watts and then only runs intermittently at 3,000 watts to maintain that temperature. Therefore I am using less electricity to heat my shop to 65 degrees and to maintain that temperature.
I have my heater connected to a 30amp circuit breaker and have had no issues with the electrical demand of the heater tripping the breaker. But I am also using a six-foot long 6-gauge cord from the heater to the outlet and 8-gauge wire from the outlet to the breaker and the outlet is mounted directly underneath the sub-panel, so there virtually no distance from the breaker to the six-foot cord.
If the BTU supply of this heater meets your BTU demands I recommend that you get this heater and see for yourself what it's like to have a well heated work space. It's nice!
Here's a link to view the heater I used. http://astore.amazon.com/wwwdogwoodtal-20
There are many great selling points for electric under floor heating. The radiant design of the electric heating system is a great idea. It is easy to install which is very appealing.. You will be warm and feel great on nice warm floors. There are so many things to like about this type of heat. So what is the drawback to it?
One of the latest fads in under floor or radiant electric heating is the continued development of electric radiant heating. This heating comes in many different forms and can be installed easily and at what seems to be a reasonable cost. However before you get stuck with a heating system in your home or business make sure that you take a good look at what it will cost you to heat with electric.
Electricity will only ever make 3,415 BTU’s of heat from one kilowatt of electric. This is something that cannot be changed. No matter what you do to electricity it will always produce the same BTU’s per KW. So for this reason you can change the effect of the heat coming from the electric, but you can’t change the fact that you still need a certain number of BTU’s from the electric to feel warm. These BTU’s cost money. Oh and did I mention that of the electricity that is produce by most power plants, only about 1/3 of the electric makes to your home? This fact alone should make you not want to use more electric.
The price that the electric will cost you is the problem. There is nothing efficient about electric heating. Electric is expensive now and it will be going higher as more states deregulate electricity. Now electric radiant heat is probably the best way to heat with electric because of the radiant feature you will be able to “feel” warm at lower air temperatures. That will save you money. However the cost of the electricity to get the heat to that point will still have you wondering why you ever installed that system.
Under floor radiant electric heating is a very good heat and there are ways such as hydronic heating systems that use warm water to make your floor nice and warm. Today’s high efficiency boilers will give you a nice heat from LP gas or natural gas at near 100% efficiency. If you are looking to heat a very large space with radiant heat make sure that you compare all of the ways to produce radiant heat.
If you do decide to go with electric under floor heating then here are a few suggestions. Insulate your house like you were living on the moon with the ultimate in temperature extremes. The money you will spend on extra insulation will pay back many tomes over if you use electric to heat with. Use electric if you are only using the house for seasonal use and you want a heating system that is easy to maintain. Another good way to use it is if you only want radiant floor heating for a small part of your house like the bathroom.
According to the owners manual, the "Economy" mode is designed to reduce the temperature setting by 2 degrees every hour. May not be what you were expecting... On the too hot issue: Check the thermostat setting - it can read either Celsius or Farenheit - Make sure you are setting it to what you think you are... Recommendation: if it is heating higher than set temperature is 1) set the temp lower and see how it does or 2) call a repair man to check and calibrate the thermostat.
1500 watts is 1.5 kilowatts. Run it for 1 hour and you have 1.5 kilowatt hours. My electricity costs .08 per kilowatt hour so, when I run my 1500 watt space heater, it costs me a whopping .12 per hour to operate. I can afford 12 cents per hour, compared to oil at $3.50 per gallon and a burner that burns up to 3 gallons per hour.
Calculate the Cubic Footage of the area to be heated (i,e. Total confined space square footage x ceiling height = Cubic Footage). So let's say the total cubic footage is 3.808. To be considered unconfined
space in this example, the total maximum aggregate input rating of all
gas-fired appliances installed in the 3,808 cu. ft. space must not
exceed 76,160 BTU per hour; (3,808 divided by 50) x 1,000 equals 76,160
BTU per hour.
Normal air infiltration into
a confined space will be adequate to supply the necessary fresh air for
proper combustion and ventilation if the building is not constructed
unusually tight. If it is tightly constructed, some type of fresh air intake should be installed. Being that this 50,000 Btu wall heater is required to be vented to the outside, you can figure that up to 20 to 25% of the heat produced is going up the stack or chimney. That leaves you with a total of 37,500 Btu's dedicated to heating the building.
Placement of the wall heater can be critical in even heat distribution. Of course, it will always be warmer closer to the heater.
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To determine the cost of using this air conditioner, you will need to find out what your electric company charges per kw/h. This is the standard unit that electricity is charged for. Next determine the wattage of the air conditioner. This should be found on the unit name plate. If you can not find the wattage by the name plate, the take the voltage and multiply by the amperage, this will give you watts. Next multiply the wattage by 24. (watts per hour x 24 hours) Finally divide this number by 1000. This will give you the total Kw that the unit will use in a 24 hour period. If you multiply this number by the cost per Kw that will give you the operating cost of your unit for one day.
ex. electric company charges .25/Kw
The unit uses 1000 watts
1000 x 24 = 24000 watts
24000/1000 = 24 Kw
24 Kw x .25/Kw = $6.00 day
Note: all figures shown above were randomly generated in my head, and have no correlation to your calculations. Hope this helps.
this is a tough call but with 2000 watts in each room there should be more than enough heat .the rooms should maintain a average temp of 73 to 78 degrees temp without weatherazation and that is of course there is no drafts coming from any windows or near a front or back door that opens and closes alot . Basiclly you have it covered but definatley get the house winterize/insulated real good.I would keep 1 or 2 space heaters on hand just incase the person in house feels there cold just to cover yourself ,usually it the female complaining its cold if its not warm enough but there have been some males that need that temp to be 80 degrees all the time.good luck but im sure it will be ok!!