How much does a 20000 watt generator cost?

Asked By: Abdel Banacloche | Last Updated: 22nd February, 2020
Category: home and garden home appliances
4.5/5 (88 Views . 26 Votes)
A very popular and “easy on the budget” generator is a “20kW” (20,000 Watts) model. It's easy on the budget because most 20kW generators are air-cooled (as compared to “liquid-cooled”) and cost around $5,000.00, including a 200-Amp Automatic Transfer Switch (ATS).

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Subsequently, one may also ask, how much does a whole house generator cost installed?

The average cost to install a home generator is just over $3,700. Prices start as low as $400 and go as high as $9,500. There's likely a budget-friendly option if you need backup power.

Furthermore, how much does it cost to run a generator for a month? This means the cost to run a generator during the weekly 10-minute “exercise period” would cost around $4 to $5 a month. And during a power outage, the generator will use around $20 to $40 a day, depending on the energy load.

Furthermore, how much does a power generator cost?

Generator Prices by Type

Type Price
Natural Gas $1,900 - $5,000
Diesel $3,000 - $15,000
Liquid Propane $500 - $6,000
Solar $300 - $5,000

What size generator do I need for a 200 amp service?

If you have a 200 Amp service panel, use a 15-20 kW GenSet (again use the larger size if you have air conditioning or large well pump). If you have a 400 amp service panel, use a 30-50 kW GenSet (if you have lots of air conditioning or other larger loads use the large size in the range).

37 Related Question Answers Found

Are whole house generators worth it?

One solution, some experts say, is the whole house generator. Yes, they're expensive — often costing as much as $15,000 — but they will kick in automatically in the event your house goes off the grid. With 3.5 million Americans left without power in any given week, these generators may be worth considering.

Do I need a permit to install a generator transfer switch?

Technically yes, you need a permit from the local authorities whenever you install any permanent additions to your house. Generator transfer switches are no exception. However, if you hire a certified electrician for the installation, they will usually be able to sort out the permits on your behalf.

Do you need a permit to install a whole house generator?

How to Secure Permits for Standby Generator Installation. Before installation can begin, you'll need to obtain the necessary permit(s) from your local municipality. Obtaining permits can take a while, so some people may consider them to be a hassle, but they can be beneficial.

What size generator is needed to power a house?

Homeowners can often power most household appliances using between 3000 and 6500 watts. If your home has a smaller furnace and city water, you can generally expect that 3000-5000 watts will cover your needs. If you have a larger furnace and/or a well pump, you will likely need a 5000 to 6500 watt generator.

Does a whole house generator add value to your home?


Installing a generator "legally" can increase the resale value of your home. Consumer Reports states that in some cases, your home value can increase by 3 to 5%. A 2014 report by Remodeling Magazine indicated that installing a standby generator can provide up to a 150% return on your investment.

Will a 20kW generator run my house?

A 20kW generator will run most house receptacles, lights, and up to a 5-ton central air conditioner. the downstairs central air conditioning unit. You have a second air conditioner and heating system for the upstairs, but this area of the home is not important to you while operating on generator power.

What is the return on a whole house generator?

However, with a bit more industry knowledge you can generally suss out that the average return of investment on a home standby generator stands at roughly 65-70% ROI. The exact ROI is hard to nail down because the location is very important—as in, does the area get a lot of storms and experience a lot of outages.

Can a 5000 watt generator run a house?

A 5,000 watt generator is capable of running a lamp, fan, radio, television, water pump, hair dryer, portable electric heater and electric blanket. The generator is able to power any small appliance with a wattage rating below 5,000 watts.

Will a 7500 watt generator run my house?

A 7500-watt generator is a great size for most homeowners. With a 7500-watt generator, you can power up most household appliances including your refrigerator, hot water heater, well pump, freezer, light, and oven. A 7500- watt generator will get you through your next power outage in comfort.

What is the cheapest generator?


Cheapest Generators Reviewed
  1. PowerSmart PS50A 1000 Watt Generator. If you are looking for the cheapest generator – hardly any can beat the PowerSmart.
  2. A-iPower SUA2000iV. This is one of the cheapest inverter generators you can find.
  3. Pulsar PG2000iS.

How many appliances can a 5500 watt generator run?

A 5500 watt generator provides approximately 45 amps, in case of 120 volts or 23 amps in case of 240 volts.

Household Appliances.
Essential Appliances Rated (Running) Watts Additional Surge Watts
Well Water Pump (1/2 HP) 1,000 W 2,100 W
Window AC (10,000 BTU) 1,200 W 3,600 W

How long do generators last?

Portable Generator Lifespan
A portable gas generator used for residential emergency power last about 2,000 to 3,000 hours. While this is considerably less than diesel generators' 20,000 to 30,000 hours, these small generators are generally used far less each year and can have a decade-long lifespan.

How do you hook up a generator?

How do I use a transfer switch?
  1. Connect the generator cord to the transfer switch or inlet box.
  2. Turn off all the circuit breakers in the transfer switch to the off position.
  3. Start the generator and let it warm up.
  4. Flip the main breakers in the transfer switch to the Generator position.

What is the best generator for home use?


Top 10 Whole House Generators (Portable and Standby) – Our Reviews
  1. Westinghouse WPro8500 (Our Pick)
  2. A-iPower SUA12000E (Best Value For Money)
  3. Generac 22000 Watt 7043 Home Generator.
  4. DuroMax XP12000EH – great dual fuel generator.
  5. Briggs & Stratton 20000 watt whole house generator.
  6. Generac 16000 Watt 6462 Guardian Series.

How much does it cost to install a transfer switch?

With a transfer switch (about $500 to $900 to install, including labor), you'll have one connection to make—plugging one end of a cable into the portable generator and the other into a dedicated box connected to the transfer switch.

Can a generator run for 24 hours?

Most of the standby generators can run for as long there is fuel supply to the generator. Most of the standby generators do not require a fuel tank since they are run by natural gas. Generally, they can run for around 24 hours which will require fuel, oil check, and other maintenance.