You can run the most critical household equipment with a generator rated at 5 000 to 7 500 watts.
Generator for sump pump and refrigerator.
A sump pump is a pump usually found in a building or home basement that sends water away to a safer place like an outside drain or dry well.
For example a horsepower sump pump will have an average starting wattage of 1 300 watts and average running watts of 800 watts.
For rv a 3000 4000 watt generator would be ideal.
A generator with around 7500 running watts can run all these appliances at once.
Connecting or installing a generator to a sump pump can be a fail safe that can help prevent major water damage even when the home or building s power has gone out during a storm.
Sump pump 1 3 horsepower 1300 800 y.
In addition remember that you may need to run a well pump or sump pump.
You can go a few hours or even days without an oven use the microwave instead and an air conditioner they use a lot of power and would require you to buy a much bigger generator.
See our section on power management to learn how to use a smaller generator to power more.
If you only have just one sump pump that you need to keep running when the utility power is off then you may want to consider a smaller portable generator for alternative power like the honda eu3000is 3000 watt gas powered inverter generator these smaller units will provide enough power to keep a single pump running and are.
The size of the generator you need depends on your power requirements.
Small quiet portable power generators for sump pump backup.
Find the wattage demands of your sump pump and then find a generator that will support this power the higher the horsepower of the sump pump the larger your generator must be.
Sump pump 1 3 hp well pump 1 2 hp electric water heater heating cooling space heater.
These have high starting power requirements over 2 000 watts each so you can probably only run one or the other on a 3 500 watt generator.
Refrigerator or freezer energy star.
1 2 hp furnace fan 3.
This generator sizing sheet will help you to determine your running and starting watts so you can choose the correct generator for your needs.
In this comprehensive review guide article we ll take in depth look at some of the best generator for sump pump on the market in 2020.
3 500 watts may also not be enough to run a pump and air conditioner at the same time since you re likely to exceed your generator s surge power.
Portable generators the more watts your portable generator produces the more items you can power at the same time.
I ll recommend the best possible sump pump generators for the budget convenience quiet operation portability eco friendliness runtime reliability durability extreme weather conditions and heavy duty uses.