The horsepower needed for your garage door opener is dependent on whether or not you want a long lasting opener verses replacing it every few cycles or the size of the door.
Garage door opener power draw.
Most modern garage door openers draw from 3 to 5 amps depending on what type of lighting your opener has.
Door from a dead stop.
Gcl t j h fire door operator 60hz.
Because these electrical appliances operate for only a few minutes per day they don t use much electricity to open and close your garage door.
Chamberlain 1 2 equivalent hp ultra quiet and strong belt drive with medium lifting power garage door opener model b503c 168 00 168 00.
So the wattage of operation is about 375w the duration is about 20 seconds offhand or a 1 3 minute.
Like everything else this answer is heavily dependent on the make and model.
If your home has a garage there is a good chance that you have an automatic garage door opener.
Older garage door openers have a standby power draw as high as 14 watts.
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A garage door opener has a radio receiver garage lights and a motor to lift the garage door.
Uses 445 watts while opening or closing the door including the 108 watts used to power the light bulbs.
So each actuation takes 002 kwh 004 for an up down cycle.
Amps x volts watts.
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When several different models were tested the annual energy use varied anywhere from 15 8 kwh to 127 0 kwh or 2 to 16 per year.
So how much energy does my garage door opener burn when on standby.
The door can be heavy but usually uses counterweights or springs so that the motor isn t lifting a 300 lbs.
Here are the details.
Uses less than a watt while standing by waiting for the signal to open.
Thus watts volts amps.