Confused about the right size generator for a 2000 sq ft house? You’re not alone in this electrical maze.
Our straightforward guide demystifies the math, helping you pick the perfect generator.
No more power woes—guarantee safety and convenience when the grid goes down.
What Size Generator Do I Need To Run A 2000 Sq Ft House?
To power a 2000 sq ft house, you’ll need a generator with a capacity of 5000 to 7500 watts for essential loads like lights, a refrigerator, and a sump pump. For running the entire household, including HVAC systems and major appliances, a 10,000 to 12,000-watt generator is recommended.
Basic Appliance/System starting wattage and running wattage chart:
|Appliance/System||Starting Wattage||Running Wattage||Notes|
|Lights||60-75 W||60-75 W||Per bulb|
|Refrigerator||1200-1500 W||150-200 W||Energy-efficient models may vary|
|Sump Pump||1300-2900 W||800-1050 W||1/2 to 1 HP|
|Furnace Fan||800-2350 W||500-875 W||Gas or Oil Furnace|
|Air Conditioner||2000-4000 W||1000-2000 W||1-3 ton capacity|
|Microwave||1000-1200 W||1000-1200 W||Standard model|
|Electric Range||2100-5000 W||2100-5000 W||Varies by usage|
|Laptop||200-250 W||50-100 W||Varies by model|
|Washing Machine||1000-2300 W||500-1500 W||Varies by model|
This table provides estimates; actual power needs may differ based on specific appliance models and usage patterns. You can use our generator size wattage calculator to leave the manual task.
Looking for the best generator to run a 2000 sq ft house? Checkout:
- GENMAX 6000W Generator: To run only essential loads.
- Champion Power 8750-Watt Inverter: For average home use.
- DuroMax 12000 Watt Portable Generator: To run the whole house.
How To Determine The Sizes Of Generator To Run A 2000 Sqft House?
Understand Your Power Needs
First, list all the appliances and systems you plan to use. This includes your fridge, lights, and maybe air conditioning.
Write down what you can’t live without. Each item has two kinds of power needs: starting wattage and running wattage.
Calculate Total Wattage
For this part, you’ll need a calculator. Don’t worry; it’s simple math. Add up the running wattages of all items you listed.
Now, find the item with the highest starting wattage. Make this your peak power need.
Your total should be the running wattages plus the peak power need. You can also use this handy generator wattage calculator to make things even easier.
Check the Square Footage Factor
Your house size is crucial too. A bigger house often means more power needs.
But here’s the thing: your house’s square footage doesn’t always directly tell you the generator size.
Yet, it gives a ballpark range. For a 2000 sq ft house, you’re looking at a 5000 to 7500-watt generator for basic needs.
Learn about Types of Generators
Two main types of generators are out there: portable and standby. Portable generators are cheaper.
You have to start them manually. Standby generators are pricier.
They kick in automatically when the power goes out. Knowing the type can help you decide the size.
Read Generator Labels and Manuals
Manufacturers put a lot of info on labels and manuals. You’ll see a term called surge watts.
That’s another name for starting wattage. You’ll also see rated watts, which is the running wattage.
Always double-check these numbers against your calculations.
How To Find The Best Size Generator for A 2000 Sqft House?
Many generators are presently presumed to be suitable for specific housing sizes.
Keeping an eye out for the following aspects might make picking the right generator for you a breeze.
A Consistent Power Source
The generator must be capable of maintaining constant active and reactive power.
Alternating current (AC) is the most commonly used type, however, some generators can offer direct current (DC).
If your home’s primary energy source is renewables, you may want to consider adding batteries to store surplus electricity during periods when there isn’t much sunlight or wind.
Noise pollution is a serious concern for ordinary generators. When deciding on the size of your generator, keep the noise rating in decibels in mind.
The generator is calmer if the rating is lower. A generator that produces 80 decibels is as loud as your neighborhood’s main street, complete with automobile honks.
To protect your ears, look for a generator with a decibel level of 60 or less.
Availability of Fuel
It’s worth noting that certain versions can operate on several fuel types, which might make them a suitable choice if your home runs on numerous sources at different times, such as solar panels and oil tanks.
This refers to the sort of fuel that the generator will utilize.
Back-up generators require a constant supply of fuel to be operational, so you’ll want one that can run on anything from natural gas or propane tanks to diesel.
Generator Types For 2000 Sq Ft House
Portable generators are great for quick use. You can move them around easily.
They usually run on gasoline. Most have a pull cord to start the engine. This type is perfect if you plan to use it for different activities.
For example, you can also take it camping or to a work site. They’re not just for home use.
The downside? You’ll have to start it manually when the power goes out.
Inverter generators are a type of portable generator. They are quieter and more efficient.
These are great for sensitive electronics like computers. The reason they’re better is they produce cleaner energy.
So, your gadgets are safer. You can even pair two smaller units to double the power.
That’s cool, right? But keep in mind, they are generally more expensive.
A standby generator is a permanent solution. A professional installs it for you. When the power goes out, it turns on by itself.
That’s very convenient. They usually run on natural gas or propane. These types can power your whole house.
Yep, every light and appliance. You won’t even notice the power went out! But remember, they are costly. You’ll also need space in your yard for the unit.
Diesel generators are known for their longevity. They are often used in commercial settings.
You could use one for a 2000 sq ft house too. These are fuel-efficient. They can also produce a lot of power.
But they are noisy and emit fumes. So, it would help if you placed them far from your living areas.
Solar generators don’t use fuel. They use the sun’s energy. During the day, they collect sunlight.
They store this energy in a battery. When you need power, the battery provides it. They are silent and eco-friendly. The drawback?
They can’t store a lot of power. So they’re not great for long outages.
Dual-fuel generators can run on two types of fuel. Usually, it’s gasoline and propane. You can switch between them.
This gives you options. If you run out of one fuel, you can use the other. These are flexible but tend to be more expensive.
What A Generator Can Power In A 2000 Sqft House?
Essential Home Appliances
Refrigerator and Freezer:
These appliances are crucial. A fridge keeps your food fresh. The freezer preserves items for longer.
For both, a generator producing around 1500 to 2000 watts is necessary.
This device prevents flooding in homes. If you have a basement, you know its value. The power needed can vary.
But usually, it’s between 800 to 1300 watts.
If you want to do laundry during an outage, consider this. A standard washing machine might require 500 to 1500 watts.
Heating and Cooling Systems
In cold weather, a furnace is a lifesaver. It keeps the whole house warm. Most furnaces will need a generator output of 5000 to 7500 watts.
Staying cool in hot months is essential. For a medium-sized air conditioner, you’re looking at 2,000 to 4,000 watts.
These devices circulate air. They’re good for cooling and ventilation. Fans are less demanding. They might need 50 to 150 watts.
Entertainment and Connectivity
It’s a source of news and entertainment. Depending on its size, a TV uses 100 to 400 watts.
Whether for work or play, computers are key. A desktop might take 600 to 800 watts. Laptops are less, around 50 to 100 watts.
Staying connected matters. Phone chargers use minimal power. They’re around 5 to 20 watts.
Light up your rooms. A standard bulb uses 60 to 100 watts. LED ones use even less, around 8 to 10 watts.
For safety and aesthetics, these are vital. Depending on their type, they might consume 50 to 500 watts.
Health is the top priority. Devices like oxygen machines can require 300 to 1000 watts. Always know the needs of your essential medical equipment.
If you have a workshop, this is for you. Drills, saws, and others might need 600 to 2500 watts.
How Much Is A Generator For A 2000 Sq Ft House?
The cost of a generator for a 2000 sq ft house varies widely, but on average, you can expect to pay between $300 and $5,000. Larger or more advanced generators may cost over $10,000. Factors like brand, type, and power capacity influence the price.
Here’s a general overview of the potential costs:
These are typically the most affordable options.
A good quality portable generator suitable for a 2000 sq ft house can range from $300 to $1,500, depending on its power output and brand.
Inverter generators tend to be more expensive than traditional portable generators.
Prices can start at around $400 and go up to $3,000 or more for models with higher power capacity and advanced features.
Standby generators are the most expensive option because they are permanently installed and provide automatic backup power.
The cost can range from $2,000 to $10,000 or more, including installation. The price depends on the generator’s capacity and the complexity of the installation.
Diesel generators are often used for larger homes or commercial properties.
Depending on the size and features, they can range from a few thousand dollars to tens of thousands of dollars.
Solar generators vary widely in cost based on capacity and features.
Smaller solar generators suitable for a 2000 sq ft house may start at around $1,000, while larger and more powerful systems can cost several thousand dollars.
These generators can be moderately priced, with options ranging from $500 to $2,000 or more, depending on the power capacity and features.
FAQs About The Proper Size Generator To Run A 2000 Sqft House
Why is generator output rated in kilowatts for houses?
Standby generators are measured in kilowatts (kW) which indicates sustained power capacity, unlike surge wattage ratings for portable generators.
Can a small portable generator run a full 2000 sqft house?
No, even large portable generators cannot safely manage the electrical loads of an entire 2000 sqft home without risk of overload.
What fuel type works best for whole house coverage?
Natural gas or propane provides continuous, abundant power without gasoline refueling. But require professional installation.
Do I need a transfer switch for connecting a home generator?
Yes, a transfer switch safely transfers power from the generator to home wiring and is required to avoid backfeed risks.
How often should I test and service the generator?
Test at least monthly under load and service annually or every 200 run hours. Check the fuel and battery monthly.
How long can a home standby generator run continuously?
With adequate fuel supply, a quality home standby generator can run continuously for days or weeks with proper maintenance.
When it comes to determining the amount of generator required to power a 2000 square foot home, we hope that the information presented above will be beneficial to you when purchasing a generator.
So, keep everything in mind so that you may choose the best generator for your 2000 sqft home.