What Size Generator Do I Need For A 1,500 Square Foot House

What Size Generator Do I Need For A 1,500 Square Foot House?

When you want to buy a generator, you may ask yourself: what size generator do I need for a 1,500 square foot house? The generators come in different sizes and features. So, it is essential to select one according to your need and house size.

Today on this content, we will talk about which generator will be perfect for the 1500 square feet house. Well, you can go for the 2200 to 4000 watts generator if your house is 1500 sq. feet.

If you use the generator for daily purposes and will not run the air conditioner, then 2250 watts is perfect.

However, in the below segment, we will talk about every size of the generator. So, read the below content till the end and get more ideas. Hopefully, it will help the entire content will help you to buy the right generator for you.

The Right Size of the Generator

Firstly, we will talk about common mistakes that most people make when buying a generator. They think that the generator size and power depend on its physical size. Mainly, you have to select a size to see the power supply, watts, and features accordingly.

Even, it is very vital to know the proper size before you buy one generator. Suppose you have purchased one small size generator and your house requires a big one. Then what will happen? Of course, you will not be able to use all the electric items with this generator.

It can also happen that you spend huge money to buy a big size generator, but you do not need it. That is why it is very vital to identify the proper size according to the need.

3 Steps of the Right Size Generator

We will now share three steps that will help you find out the perfect size generator for you. Look at the below:

Step 1

First of all, you have to select how many items you want to run with the generator. After that, make one list and again check it; otherwise, you may miss something. Mainly, you have to mention in the list that how much air conditioner and other electronics you will use at your home.

Also, it would help if you did not forget to count how many mobile charging options you need. Once you make a list, then it will be easy to select a generator for your house.

Step 2

Once you make your list, then you can research different types of generators. Mostly, you have to check the watt and power sources of the generator.

Many people prefer to use a sizing calculator to select the suitable machine for you. We will discuss in one below segment that it is good or bad to use the sizing calculator.

Step 3

Lastly, it is very vital to select one reliable and famous brand to buy your item. We will suggest a different research brand that will help you to get the renowned brand.

When you are purchasing a generator, that means you are spending a big budget. So, you have to make excellent preparation to buy this thing.

The EASY Ways

You have seen three best ways that you must do before you buy a generator. However, in this segment, we will share a few more things that will support you select one easily. Also, we will talk about one famous brand as well.

The Generac house backup generators can fulfil your desire. You have to select a suitable watt to get a better service. You will be delighted to know that the Generac brand also provides a sizing calculator that helps to find out the best item. Read our another advice article How Much Gas Will Your Generator Use.

How to Classify Generators

Now let’s talk about how to classify different types of generators. First and foremost, you have to keep in mind that the generators are electrical output based. It does not depend on the generator’s physical dimensions.

Too Small

It is essential to select the correct size generator if you buy the small one you need. Then it has to work to provide more energy. In this case, your generator can get automatically switch off. Also, it may get overheated and make so many issues.

Too Large

Sometimes, people do not think so much about when they buy the generator. Most of the time, people buy one without any proper research. And they prefer to buy the large one always.

In this case, if you purchase a large generator than your need, then it is a waste of money. Besides, a large machine needs more maintenance costs. If you do not have any idea about generators, then you can go for the sizing calculator.

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Don’t Need to Use Sizing Calculator

Many people prefer to use the sizing calculator for selecting a perfect generator. They do not think to research their need and different sizing calculator. But we will suggest you try to complete the above things first.

Mostly, the sizing calculator does not show the exact result. You will get one approximate idea by using this calculator. That is why it is far better to research everything.

But if you have a lack of time, then you can go for the sizing calculator. Moreover, you can take help from the manufactures. In this case, you have to tell the details about your need and budget. We hope that they will help you a lot to get the best size generator.


At the end of the content, we hope that you get the answer of the question: what size generator do I need for a 1,500 square foot house? Also, you got the details to buy the genitor. But still, you may face so many problems while installing the generator.

Here, we will suggest you hire an expert electrician to install the machine for you. Moreover, you can check the manufactures level to know the proper fittings instructions.

Or you can visit your nearest electrical inspector office and complete all the generator-related tasks with their help. Hopefully, you will able to ensure a hassle-free installation process.

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