Usually much smaller.
A normal freeze plug block heater is about fifty bucks.
A 1000 watt generator cannot run a 1500 watt ceramic heater without having problems.
It depends on the cost of electricity and the cost of natural gas in your area. Generally, using a 5000 BTU natural gas heater is cheaper than using a 1500 watt electric heater. Natural gas is typically more cost-effective for heating compared to electricity.
What it costs me to run a heater does not depend on how much you are charged, but a 1500 watt heater would use 1500 watt-hours or 1.5 kWh for every hour it is run. Run for 24 hours it would use 36 kWh, also known as 36 units.
Selectable 600 Watt, 900 Watt, or 1500 Watt
Yes you can.
15 amp
By radiation.
Yes, a 1500 watt heater operating on 120 volts has an amperage of A = W/V. Amps = Watts/Volts = 1500/120 = 12.5 amps. It is not a recommended practice to do so.
With a room that has 8 foot walls the usual formula is 10 watts per sq. ft. Divide 1500 by 10 will give you 150 sq feet of room that will be comfortably heated with a 1500 watt heater.
A 1500 Watt heater will pull about 12.5 Amps. Tour circuits in apartment will be 15 A and 20 A. Provided you don't have too much of a load on the same circuit, it should work.
a 1500 w heater consumes 1.5 kW, and used for 1 hour it uses 1.5 kWh of energy, which costs 1.5 x 9.1 cents, that is 13.65 cents.
1500 watts is equivalent to 5118 BTU per hour. 1500 watt-hours is equivalent to 5118 BTU.