This sizing advice relates to portable generators if you are after generator sizing advice for a large stationary generator then you may need to engage an electrician.
Generator room size calculator.
Choose the items in your home that you would like to power during an outage and our standby generator sizing wizard will suggest generators based on your custom filtered results.
Home standby generator sizing calculator.
You may want to experiment by adding or removing significant and occasional appliances to see how it impacts the suggested generator size.
When sizing a generator for a commercial building you want to calculate the total number of power output rating in kw you would need in order to ensure that your generator can provide power to all required equipment and machinery.
The most critical figure is the generator s power output.
How to calculate what size of a generator is best for my needs.
Determine the lighting load.
To begin you need to know the wattage draw of your appliance s and make sure your generator produces enough power to handle that draw lets do it.
This approach often results in generators being oversized for the motor running load and not based on the actual needs of the application.
The purpose of the generator sizing calculator is to determine the estimated size of the generator which is based upon the electrical equipment that will be used while on power that is supplied by the generator.
We measure it in watts w.
Start by simply inputting your home s postal code square footage and choose your unique power requirements below.
Never add amps when sizing a generator.
In order to estimate your generator size requirement please enter the square footage of your home then select which appliances you would like to run during a power outage.
Home backup generator sizing calculator find the right home backup generator for you call us 1 844 242 3494 to speak with a customer service representative.
Getting the power information for your appliances.
Room size calculator calculate the size of the room dividing the room into the particular number of separate sections is an effective way to calculate the room s precise size when it has a unique shape.
Small camping generators provide anywhere between 1 000 to 3 000 watts.
Heavy duty generators for home and construction sites can deliver more than 10 000 watts.
For example if your room has a rectangular shape write down in the calculator only width and depth of it and specify the measure s units.
As a result it has been common practice to take motor and transformer starting kva requirements as a yardstick to determine the size of a generator.
