What Size Generator Do You Need For A 2,000 Square Foot House?

Do you require a generator for your 2000 square feet home? First, you must find out your requirement for 2,000 square feet whole house generator sizing. This is important because generator dimensions and power can vary based on what size you have for your house.

What size generator do you need for a 2,000 square foot house? It is contingent on many aspects, including the amount and type of equipment and systems which require power and the overall electric demand of the house.

The general rule is to estimate the total power of all devices and systems which may require to be powered in the event of a power failure, then select the generator that has a rating that is greater than the total wattage.

A rough estimate is a typical 2,000 square feet house will require a generator that has a maximum output of 7,000 to 9,000 Watts. This will be enough power to run vital appliances like lights, refrigerators, and air conditioners during the event of a power failure.

If you have a bigger home, you will have greater appliances than a smaller home. Therefore, first, you must determine the number of appliances your 2000 square feet home will be equipped with. You can then select the appropriate generator in line with your needs.

In general, a home that is 2000 square feet will include a refrigerator and one freezer, as well as up to 3 air conditioning units, a microwave, as well as an electric stove. Additionally, it will have numerous LED and incandescent bulbs. There will also be security lights for outdoor use. So, you’ll require about 7500W of power to run the generator.

In the following, we have explained the best ways to size the generator. In addition, you will learn the entire and comprehensive analysis of two great generators to power a 2000-square-foot home. We hope you stay with us if seeking a great generator that will work for the home you live in.

How Generators Are Sized

What size generator to run a house? Before we reveal the top two generators to power your home In this article, we will provide you with information about the generator dimensions. The main thing to know is that the generator dimensions are in Kilowatts and Watts. We are all aware that these two numbers are the quantities of electricity. But, we frequently notice that many people are focused on the physical dimensions that come with the generator. It’s not necessary when buying a generator.

In this article, we’ll provide the facts and expert’s opinion. In general, the capacity and power are determined by the generator’s power watt. If you choose the incorrect generator size that has lesser or more power, you won’t receive the correct assistance from the generator.

If you select a lower watt than the required for your home and you aren’t in a position to complete all tasks. However, choosing a bigger size generator will waste energy and money in a tiny home.

For example, an area of 2000 square feet will require an enlarged generator as compared to 2500-3000 sq feet homes. It is due to the fact that a small generator will require smaller spaces and will require fewer appliances.

Additionally, it could be beneficial to consider the generator’s real and starting power capacity. It’s crucial since both wattages are two different sizes for charting the generator. It’s also the exact power of the generator which will power the appliances at home.

  1. The starting wattage is the amount of power your machine will produce at the time you turn it on.
  2. The actual wattage refers to the capacity to deliver power for the generator when it is fully operational.

In general, a generator typically has between 1000W and 2500W of power at the start, which is more in excess of its actual power capacity. It’s based on the size of the machine. Therefore, it is best by looking at both the start and actual wattage of your generator to determine its exact size. Knowing the number of appliances it can safely run can also be helpful.

So, take a look at our extensive research to find the top generator. It is likely that these two generator suggestions will prove useful for 1500-2500 square feet of space in homes when power is cut off.

What size generator do you need for a 2,000 square foot house?

How big a generator do I need for my house? If you live in a home that is 2000 square feet then you should choose an average to larger generator with a backup that is extended. After conducting our own study, we discovered that you’ll require a generator with at minimum of 7500W of running power for an area of 2000 square feet.

We recommend that you calculate the watts the appliances in your home use. It will enable you to figure out the generator size quickly. But, we’ve made it easy for you by providing the following two suggestions along with a comprehensive review.

Best Generator To Run A 2000 Sq Ft House Reviews

Many people seek out an efficient, reliable, and manageable generator for use at home. It would be helpful to be aware of its efficiency in fuel, the kind of fuel, or the time it takes to back up for economical applications.

We’ve done extensive research on the top and most well-known generators in line with these fundamental needs of homeowners. We hope these two generators will prove highly beneficial for you.

Champion Power Equipment 100813 9375/7500-Watt Portable Generator

Champion Power Equipment 9375-Watt Portable Generator with Electric Start
  • Ultra-Powerful: At 9375 starting watts and 7500 running watts, enjoy up to 8...
  • Electric start: Trust the reliable 420cc Champion engine with its...
  • Covered Outlets: Four 120V 20A GFCI outlets, a120/240V 30A locking outlet and a...
  • Intelligauge: Keep track of voltage, hertz and run-time hours to easily monitor...
  • Champion Support: Includes 3-year limited warranty with FREE lifetime technical...

Last update on 2024-06-05 / Affiliate links / Images from Amazon Product Advertising API

We will first present to you our Champion Power Equipment generator which is an absolute top product. It’s cost-effective, has an extensive backup period, runs quietly, and comes with an option for cold starting. Its easy-to-use and user-friendly design, with simple applications, prompted us to add it to our suggestions for a 2000-square-foot home.

The generator is equipped with a powerful engine of 420CC. The engine is extremely efficient both on paper as well as in real life. One of the most impressive features to mention about this engine is the electronic start. In addition, the manufacturer provides an electric battery that includes the generator to make it easy to start.

In addition on top of that, the generator has an Ice-start Technology(TM). It’s a built-in feature that lets to run the generator efficiently even in temperatures below zero. This means that you can use it to power your electric furnaces in the winter months without any issue. It can also be helpful in maintaining the machine since the majority of generators are damaged because of issues with cold-start.

A further important point is this generator is ideal for large appliances. It comes with a 7500W power capacity. This is enough power to run the majority of appliances within your home of 2000 square feet. This means that you are able to make use of it to power everything you need in your home.

The 7500W capacity of the unit is sufficient to power two medium-sized air-cooling units, a refrigerator, a freezer, and a dishwasher that is electric. In a nutshell, it is not necessary to fret about the power outage issue.

In addition, you’ll receive an extended backup of the device during power outage times. It is able to last for eight hours of extra life at maximum capacity. It’s incredible for the size of a generator that has a 5.7-gallon fuel capacity. The fuel tank is compact and is sure to ensure that you do not need to be concerned about its backup.

Additionally, you can discover the generator equipped with outlets for GFCI, household outlets as well as other outlets. It can be operated at 120V or 240V to meet the power requirements of the appliances in your home.

Not to mention lastly, this generator includes a control panel. It will provide the latest information on operating hours, voltages, and frequency, among other things. Thus, you’ll stay completely informed regarding the generator and when it needs fuel.

Highlighted Feature:

  • Innovative cold-start technology
  • 7500W of running capacity
  • Electric and recoil start-up facility
  • 8 hours of backup time, at capacity


  • It supports electric start for quick starting
  • Easy to maintain using a detailed user manual
  • It can be used in both 120V and 240V to allow for ease of use.
  • Cold-start to run the machine without risk in winter.


  • It weighs a little over 200 pounds, which restricts its mobility
Buy on Amazon

DuroMax XP10000E Gas-Powered Portable Generator

DuroMax XP10000E Gas Powered Portable Generator-10000 Watt Electric Start-Home Back Up & RV Ready, 50 State Approved, Blue/Black
  • Powerful DuroMax Engine: the XP10000E is powered by a 439cc OHV DuroMax Engine
  • Gas powered technology: run your generator with gasoline For long lasting power.
  • Plenty of power: with 10,000 starting watts and 8,000 running watts, This unit...
  • Maximum power: with DuroMax MX2 technology, get the maximum power from each of...
  • Powering everyone anywhere: like all DuroMax generators, the XP10000E is EPA and...

Last update on 2024-06-05 / Affiliate links / Images from Amazon Product Advertising API

The second option for homes with 2000 square feet will be Duro Max’s XP10000E generator. Duro Max is a brand that has gained an excellent reputation in the marketplace. Therefore, we were confident about the power to use the XP10000E generator for powering every appliance within your home. Additionally, we found it to be usable and friendly for users.

For starters, this generator has an output of 8000 watts. This means it is able to operate a number of devices. It can safely run a microwave, refrigerator freezer, and oven as well as an electric stove and furnace by using the generator. You can also decide to run them at 120V or 240V.

Typically it is recommended to run this generator at 240V providing an improved backup. We recommend running the generator at 120V so that you can use it to its fullest capacity, and with the greatest comfort. Furthermore, it’s the standard voltage requirement for the majority of houses. This makes it extremely useful for the majority of houses and the devices they use.

Another important aspect of this generator is it doesn’t require you to shell out a lot of money for fuel. The 4-stroke 440CC AHV engine is recognized as one of the most efficient fuel-efficient engines. Therefore, you can expect impressive savings in fuel. Also, you will appreciate the ease of use and mobility.

It’s got the most efficient handle for a generator that you can locate. It can help you move the generator from one location to the next quickly. In addition, this generator is made of rust-proof steel along with copper-based windings. Thus, the generator is guaranteed to last for a long time.

With 8.3 gallon tank, The generator will offer you 9 hours or more of backup. It’s amazing and can free you from worrying about backups that aren’t properly done prior to the return of electricity. It will give you the peace of mind your home appliances will not run out of power for a long time. It’s a great option during flooding and storms.

Highlighted Features:

  • A powerful 440CC engine
  • A large 8.3-gallon tank of fuel
  • 100% made of metal with copper windings
  • 120V, 240V operating outlets with 50MAP


  • The device is able to back up for up to 9 hours.
  • It operates quietly, with less than 74dB, which is considered to be non-disturbance
  • Simple and easy to maintain and keep clean
  • Power protection and surge arrest to ensure long-term safety


  • The generator is costly
Buy on Amazon

You Can Also Check:

  • Westinghouse 6600 Peak 5300 Rated Watts Gas Powered Generator
  • Champion Power 3800 Surge Watts and 3400 Rated Watts
  • Generac 10000 Starting Watts. 8000 Running Watts Generator

Last update on 2024-06-05 / Affiliate links / Images from Amazon Product Advertising API

How To Determine The Sizes Of Generator To Run A 2000 Sqft House?

To determine the proper size of your generator it is necessary to know the basics of the proper size of the generator to fit a 2000 sq ft home.


The generator dimensions are usually measured in watts and kilowatts. We often see that the majority of people are concerned about the size of the generator’s body.

The power and capacity of the generator are largely measured by its watts.

Therefore that if you select the incorrect generator size, with less or more power, you won’t get the generator help.

Too Large Or Too Small

It’s impossible to finish all the tasks if you select less power than what you need for your home.

Utilizing a huge generator for a small home On the other hand it is a waste of energy and cash.

There is also the possibility that you invest a significant amount of money in a generator that you don’t actually need.

Therefore, it is crucial to choose the proper size, according to the needs.

How To Find The Best Size Generator For A 2000 Sqft House?

What size generator do you need for a 2,000 square foot house?

How to calculate what size generator I need? Numerous generators are believed to be appropriate for particular dimensions of the housing.

Being on the lookout for these aspects could make selecting the ideal generator for your needs a breeze.

A Consistent Power Source

The generator should be able to maintain the power supply to be constantly active and reactive.

Alternating current (AC) is the most popular kind, but some generators also offer direct current (DC).

If the primary source of energy is renewable, you may think about the addition of batteries to store excess energy during times when there’s less sunlight or wind.

Noise Level

It is also a major problem for normal generators. When deciding on the capacity of your generator be sure to take the decibel count in your mind.

The generator is more peaceful if it has a rating that is less. A generator with a rating of 80 decibels sounds as loud as the main street in your neighborhood which includes car honks.

To safeguard your ears For your ears, choose a generator that has a decibel level that is 60 or less.

Availability Of Fuel

It is important to note that certain models can run on a variety of fuel types, which could make them an ideal choice when your home is powered by various sources at various times, like oil tanks and solar panels.

This refers to the kind of fuel the generator will use.

Generators that back up require a steady supply of fuel to remain operating, and you’ll need one that runs using any fuel source from natural gas to propane tanks, to diesel.


Generators can be classified into standby, primary or portable.

Standby Generator

When power from the utility is interrupted when power is cut off, a standby generator is often referred to as”home standby,” also known as “home standby” or a whole house generator will provide power to the interior.

Prime Generator

A primary generator was designed specifically to provide the power needed to power a single site, such as an office or production line.

Portable Generator

Portable generators provide power for short periods in areas where there is no power even during times of crisis.

From natural disasters to floods to construction sites that have lost grid connections over time because of inadequate management.

How Much Is A Generator For A 2000 Sq Ft House?

For a standard home generator that runs on natural gas or propane, you could expect to spend between $2000 to $5000.

If you require the most robust generator then the price will be more than $10,000.

How many watts does it take to run a 2000 sq ft house?

Examples of PV Power Needed to Power Different-Sized Homes

Square FootageElectrical Usage (kWh)PV Watts Needed to Cover 100% of kWh Usage


How much is a whole house generator for a 2000 square foot house?

Generator Size: 17 to 20 kW
Price Range: $4,000 – $6,200
Coverage Area: 1,500 – 3,000 sq ft home

How much electricity does an average 2000 sq ft house use?

It consumes a lot of electricity to power a huge home than a studio. Based on the typical household size within the U.S., about 2,000 square feet, and a typical household consumption of around 900 kWh, it is possible to suppose that 0.45 kWh is consumed per square foot every month.

How many solar panels are needed for a 2000 sq ft home?

A house with a square-foot area of 2000 square feet will require 28 to 34 solar panels. This works at an average price of \$3.50 per watt. Not only can installing solar panels help homeowners save costs on their electric costs, but they could boost the value of their homes.

How much is a solar system for a 2000 sq ft house?

The amount of electricity a home consumes will determine how many solar panels it requires It will probably cost between $20,000 and $25,000 for solar panel installation on a 2,000-square-foot house.

The Final Thoughts

What size generator do you need for a 2,000 square foot house? In determining the size of the generator you needed for your house with a 2000 square-foot area, we hope this information can be of great help to you when buying a generator.

Keep everything in mind so you are able to select the ideal generator that will fit your 2000 square feet home.

This is all about the right size generator needed to power a house that is 2000 square feet. The discussion will show that it is possible to manage all your home appliances at home with an average to large generator.

We have also looked at the two best generators that can be used in homes of 2000 square feet with many appliances. They are at least 7500W of power capacity.

This is enough power to run the freezer, refrigerator, and air conditioner, as well as lights, and fans in the range of 9 hours. Additionally, we’ve selected devices that have affordable prices. Therefore, you don’t have to spend a fortune to buy these power generators.


Dibyajyoti Bordoloi (CS, MBA Finance & Accounting) is the founder of CageHeaven.com. He is a Practising Company Secretary and a real estate and stock market investor. He is the owner of CS Bordoloi and Associates. He is a commerce graduate from Darrang College, Tezpur, Assam. Later on, he pursued his higher studies at the Institute of Company Secretaries of India (ICSI), and completed his MBA (Finance) degree from Guwahati University. With over 16 years of experience in finance and accounting, he teaches personal finance to non-technical common people like you how to do it the right way. He is a proud member of the Chamber of Real Estate and Builders Association (North-East India). He is also a successful Investor and Trader in Equities and Real Estate.