Will A 20kw Generator Run My House

If you’re wondering, will a 20kw generator run my house? The answer is probably yes, but there are some things to consider before making your decision. First, how big is your house? And second, what appliances and electronics do you have running in it?

A 20kw generator should be more than enough power to keep your lights on, your fridge running, and your air conditioning blowing, but it’s always a good idea to do some research and figure out exactly what you need.

Will A 20kw Generator Run My House?

When the power goes out, a generator can keep your house warm (or cool), cooking, and most importantly, illuminated.  But what size generator do you need to run your entire house? In this article, we’ll help you calculate the answer to that question.

What Size Generator Do I Need to Run My House?

The size of the generator you need to run your house depends on the watts of the appliances and devices you want to keep power. A general rule of thumb is to add up the wattage of everything you want to run at the same time. But there are a few other things to consider as well.

Will a 20kw generator run my house?

A 20kw generator should be more than enough to run most households. However, it is always best to check with your local power company to be sure they do not have any restrictions on running a generator of this size. Additionally, you will need to make sure you have enough fuel to run the generator.

Will A 20kw Generator Run My House

What wattage do I need?

Wattage is a measure of the power required by an appliance or device. You’ll see wattage listed on most appliances, and it’s usually listed in two ways:

The maximum or starting wattage required by the appliance to start up. This is usually a higher number and is only required for a few seconds.

The running or continuous wattage is required by the appliance to keep it running. 

Related Article: What Kind of Generator Do I Need?

Important Considerations

A 20kw generator will run most houses in a power outage. The average U.S. home uses about 900 kWh per month or about 30 kWh per day. A 20-kilowatt generator can produce enough electricity to power a home for several days, depending on how much electricity is used.

A 20kw generator is a great option for homeowners who want to be prepare themselves for a power outage. This size generator can provide enough power to keep a home running for several days. If you are looking for a generator to power your home in an emergency, a 20kw generator is a great option.

Generator Safety Tips

When using a generator, always follow these safety tips:

  1. Make sure the generator is in a well-ventilated, dry area.
  2. Never run a generator inside your house or garage, even if the doors are open.
  3. Connect appliances and devices to the generator using heavy-duty, weatherproof extension cords.
  4. Never overload the generator.
  5. Keep a fire extinguisher near the generator, and know how to use it.
  6. Be sure to refuel the generator before it runs out of fuel.
  7. Always have fresh batteries on hand for the generator’s carbon monoxide detector.
  8. Let the generator cool down before refueling it.
  9. Never touch a generator while it’s running.

With these tips in mind, you can be sure to safely and effectively use a generator to keep your home running during a power outage.


A 20kw generator can run a house, but we don’t recommend to do so. A 20kw generator is the equivalent of a large home heating system and will use a lot of fuel to power your entire house.

It’s best to use a smaller generator for specific appliances or devices in your home. If you are unsure of what size generator your home needs, consult with an electrician.

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