Top 5 Size Generators For House: Buyer’s Guide

Have you ever pictured your perfect home, just to get lost in a maze of numbers when it comes to its size? It’s a common dream, but bringing it to life can feel overwhelming. Trying to figure out the right size for your house, whether it’s your first home or a renovation project, often brings up many questions and worries. How big is too big? How small is too small? Will it fit my family? Will it fit my budget?

Choosing the right size for your house is a big decision that affects everything from daily living to long-term costs. Itโ€™s not just about square footage; itโ€™s about creating a space that truly works for you and your loved ones. This is where a “Size Generator For House” can be a game-changer, but sometimes finding the right one or understanding how to use it can be tricky. You want a tool that makes sense and gives you clear answers.

In this post, we’ll break down the world of house size generators. We’ll explore what they are, how they can help you, and what to look for. By the end, you’ll feel more confident in understanding your needs and finding the perfect size for your dream home. Let’s dive in and make your home-building journey a little bit easier!

Top Size Generator For House Recommendations

No. 1
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
  • Perfect as a backup power source for larger homes or a dependable source of portable power
  • 14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts (propane); 12,000 peak watts, 9,500 running watts (natural gas)
  • Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve; Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank
  • Engineered with low THD, so it's safe for sensitive electronics. Power phones, computers, TVs and more. Stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
  • All Westinghouse portable generators are gunctionally tested in the factory and may contain minimum residual oil and/or fuel odor; EPA compliant; Backed by 3-Year limited service, labor, and parts coverage and Nationwide Customer Service Network
SaleNo. 2
Oxseryn Power Equipment 4400 Watts Inverter Generator Gas Powered, Portable Open Frame Generator, Low Noise with ECO Mode, RV Ready, Emergency Home Backup
  • ๐—ฃ๐—ผ๐˜„๐—ฒ๐—ฟ๐—ณ๐˜‚๐—น ๐—ข๐˜‚๐˜๐—ฝ๐˜‚๐˜ - 4400 peak watts and 3400 running watts, perfect for RV camping and home backup
  • ๐— ๐˜‚๐—น๐˜๐—ถ-๐—ข๐˜‚๐˜๐—ฝ๐˜‚๐˜ ๐—ข๐—ฝ๐˜๐—ถ๐—ผ๐—ป๐˜€ - Includes 2*120V AC ports, 1*12V DC port, 1*RV port
  • ๐—Ÿ๐—ผ๐—ป๐—ด ๐—ฅ๐˜‚๐—ป๐˜๐—ถ๐—บ๐—ฒ: Runs for up to 14 hours at 25% load with ECO mode, 2 gallon fuel tank with fuel gauge, allows you to check fuel levels at a glance, keeping you prepared
  • ๐‹๐จ๐ฐ ๐๐จ๐ข๐ฌ๐ž: Under 72 dBA from 23FT away, this generator provides steady power for your home during a power outage or RV nights
  • ๐—Ÿ๐—ถ๐—ด๐—ต๐˜๐˜„๐—ฒ๐—ถ๐—ด๐—ต๐˜ ๐—ฎ๐—ป๐—ฑ ๐—ฃ๐—ผ๐—ฟ๐˜๐—ฎ๐—ฏ๐—น๐—ฒ: Only 56lbs, easy to move around
SaleNo. 3
Generac 26kW Whole Home Generator, Cellular Capability
  • Whole House Protection: Keep your family comfortable and connected during power outages. Avoid the disruption of losing refrigeration, heating/cooling, lights and connectivity of your devices with a Home Standby Generator that automatically detects an outage and delivers backup power to your home.
  • Lowest Total Cost Of Ownership: Electronic fuel & ignition control optimizes fuel use for a more cost-efficient and lower emission back-up power solution* and financing options that offer you solutions that meet your budget *On average versus Generac Guardian Series standby generators
  • Remote Monitoring & Control: Built-in Cellular Connectivity allows you to monitor performance and control your generator with Mobile Link app whether you're home or away. Provides real-time updates and maintenance alerts right on your device.* *Requires Mobile Link premium subscription
  • Superior Reliability: Oil level sensors monitor oil level to help ensure generator readiness, support in cold climates with improved cold start performance and sloped roof & rear intake to reduce risk of ice or snow intrusion
  • Long Term Assurance: Every Generac Standby Generator comes with a 5-year limited warranty and 24/7/365 customer support
No. 4
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
  • 9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); Remote Start with Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6. 6 Gallon Fuel Tank with Fuel Gauge
  • Features Two GFCI 120V 5โ€“20R 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 14โ€“50R 50A; All Outlets Have Rubber Covers for Added Safety
  • Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter. VFT display gives you real time updates with the voltage output, frequency, and lifetime hours
  • Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a Userโ€™s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
No. 5
Westinghouse 6500 Watt Dual Fuel Home Backup Portable Generator, Transfer Switch Ready 30A Outlet, RV Ready 30A Outlet, CO Sensor
  • Gasoline: 5300 Running Watts & 6500 Peak Watts; Propane: 4800 Running Watts & 5800 Peak Watts; 4.7 Gallon Fuel Tank with Fuel Gauge; Up to 14.5 Hours of Run Time with 120/240V Volt Selector Switch
  • Features One 5โ€“20R 120V 20V Household Duplex Receptacle, One RV-Ready TT-30R 30A Receptacle, and One Transfer Switch Ready L14-30R 30A Receptacle; All Outlets Have Rubber Covers for Added Safety
  • Plug-and-Play: Comes with Oil, an Oil Funnel, Propane Hose, Tool Kit, Wheel Kit, and a Userโ€™s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
  • Powered by a 274 CC Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil and Carbon Monoxide (CO) Shutdown
  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
SaleNo. 6
Generac 22kW Whole Home Generator, Transfer Switch & Cellular Capability
  • Whole House Protection: Keep your family comfortable and connected during power outages. Avoid the disruption of losing refrigeration, heating/cooling, lights and connectivity of your devices with a Home Standby Generator that automatically detects an outage and delivers backup power to your home.
  • Lowest Total Cost Of Ownership: Electronic fuel & ignition control optimizes fuel use for a more cost-efficient and lower emission back-up power solution* and financing options that offer you solutions that meet your budget *On average versus Generac Guardian Series standby generators
  • Remote Monitoring & Control: Built-in Cellular Connectivity allows you to monitor performance and control your generator with Mobile Link app whether you're home or away. Provides real-time updates and maintenance alerts right on your device.* *Requires Mobile Link premium subscription
  • Superior Reliability: Oil level sensors monitor oil level to help ensure generator readiness, support in cold climates with improved cold start performance and sloped roof & rear intake to reduce risk of ice or snow intrusion
  • Long Term Assurance: Every Generac Standby Generator comes with a 5-year limited warranty and 24/7/365 customer support
SaleNo. 7
DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable Generator - Gas and Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
  • 13,000 Watts of Reliable Power for Home Power Backup โ€“ Keep your home, job site, or RV powered during storms and outages with dual fuel capability and a heavy-duty build.
  • Dual Fuel Technology โ€“ Gasoline or Propane โ€“ Choose between gasoline for maximum power or propane for longer run times and cleaner emissions, ensuring fuel flexibility in any emergency.
  • CO Alert for Enhanced Safety โ€“ Advanced carbon monoxide detection automatically shuts down the generator if dangerous levels are detected, protecting your family from harmful fumes.
  • Push-Button Electric Start & Intuitive Control Panel โ€“ Easily start your generator with the push of a button, and quickly switch fuel types using the front-facing fuel selector.
  • Transfer Switch-Ready with 50-Amp Outlet โ€“ Power your entire home by connecting directly to a transfer switch, thanks to the 50A heavy-duty outlet.
SaleNo. 8
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready
  • With 13,000 watts of power, the XP13000EH Dual Fuel generator will keep your whole home running during a storm or power outage
  • DuroMax is the industry leader in Dual Fuel portable generator technology, with a full assortment ranging from digital inverters to generators that can power your entire home
  • At the core of all our products resides a robust DuroMax engine. Designed for Power. Designed to Last
  • The XP13000EH comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets (including a transfer switch-ready 50 amp outlet)
  • Constructed with a heavy-duty all metal frame and power panel - No plastic parts

Choosing the Right Size Generator for Your Home: A Comprehensive Guide

When storms hit or the power goes out, a home generator keeps your lights on and your essentials running. But picking the right one can feel like a puzzle. This guide helps you find the perfect size generator for your house.

Key Features to Look For

When you shop for a generator, several features matter.

  • Wattage: This is the most important feature. Wattage tells you how much power the generator can give. You need to know how much power your appliances use. Then, you can pick a generator that can handle it all.
  • Fuel Type: Generators run on different fuels. Gasoline is common and easy to find. Propane lasts longer and stores well. Natural gas is great if you have a gas line. Diesel is powerful but can be noisy.
  • Starting Method: Some generators start with a pull cord. Others have an electric start. An electric start is easier, especially for older people or those with less strength.
  • Inverter Technology: Inverter generators make clean power. This is safe for sensitive electronics like TVs and computers. They are also usually quieter.
  • Portability: If you might need to move the generator, look for wheels and a good handle. Smaller generators are easier to move.
  • Run Time: This is how long the generator can run on a full tank of fuel. Longer run times mean fewer trips to refuel.

Important Materials

The materials used in a generator affect its durability and performance.

  • Engine: The engine is the heart of the generator. Look for engines made from strong materials like cast iron. These engines last longer.
  • Frame: A sturdy steel frame protects the generator. It also helps reduce vibrations and noise.
  • Fuel Tank: A rust-resistant fuel tank is best. This prevents fuel contamination and keeps the generator running smoothly. Many tanks are made from steel or durable plastic.

Factors That Improve or Reduce Quality

Several things can make a generator better or worse.

  • Brand Reputation: Well-known brands often use better parts. They also offer good warranties and customer support. This improves the overall quality.
  • Build Quality: Feel the generator. Does it seem solid? Are the welds clean? A well-built generator lasts longer. Poorly made generators can break down quickly.
  • Noise Level: Generators can be loud. Look for models with noise-reducing features. Quieter generators are more pleasant to use, especially in neighborhoods.
  • Maintenance: Generators need regular upkeep. Easy access to maintenance points makes this simpler. Generators that require complex maintenance might be lower quality in terms of user-friendliness.
  • Safety Features: Automatic shut-off for low oil is a must. This protects the engine. GFCI outlets protect you from electric shock. These features improve safety and quality.

User Experience and Use Cases

How you plan to use the generator shapes your choice.

  • Emergency Power: For most homes, a generator provides backup power during outages. It keeps refrigerators running, lights on, and allows you to charge devices.
  • Powering Specific Appliances: Some people need a generator for workshops or for running specific tools. The wattage needs must match the tools.
  • Camping or RVs: Smaller, portable generators are perfect for outdoor adventures. They power lights, charge batteries, and run small appliances.
  • Job Sites: Construction workers often use generators to power tools on remote sites. Durability and portability are key here.

Choosing the right size generator means thinking about your needs. Consider the wattage, fuel type, and features that matter most to you. A little research now saves you a lot of hassle later.


Frequently Asked Questions (FAQ) About Home Generators

Q: How do I figure out what size generator I need?

A: You need to list all the appliances you want to run. Find the wattage for each. Add them up. Then, add a little extra for starting wattage, which is higher when things first turn on. This total tells you the minimum wattage you need.

Q: Whatโ€™s the difference between a portable generator and a standby generator?

A: Portable generators are smaller and you can move them. Standby generators are larger and permanently installed outside your home. They are connected to your home’s electrical system and turn on automatically.

Q: How much wattage do I need to run a refrigerator?

A: A refrigerator typically needs about 100-200 watts to run normally. However, it needs more, around 800-1200 watts, to start up. So, your generator should handle that starting surge.

Q: Is an inverter generator better than a conventional generator?

A: Inverter generators produce cleaner, more stable power. This is safer for sensitive electronics. They are also usually quieter and more fuel-efficient. Conventional generators are often cheaper but might not be ideal for modern electronics.

Q: How long can a generator run on a full tank of gas?

A: This depends on the generator’s size and fuel tank capacity. It also depends on how much power you are drawing. A small generator might run for 6-10 hours. Larger ones can run for 12-24 hours or more.

Q: Can I run my generator in the rain?

A: It’s not safe to run most generators in the rain. They should be placed in a dry, well-ventilated area, like under a covered porch or in a shed with good airflow. Always follow the manufacturer’s safety instructions.

Q: What is a “surge” or “starting” wattage?

A: Starting wattage is the extra power an appliance needs for a few seconds when it first turns on. For example, a refrigerator needs more power to start its motor than it does to keep cool. Your generator needs to handle this initial surge.

Q: Do I need a transfer switch for my generator?

A: Yes, a transfer switch is highly recommended and often required for safety. It safely connects your generator to your home’s electrical panel. It also prevents backfeeding power onto utility lines, which can be dangerous for utility workers.

Q: How often should I maintain my generator?

A: You should check the oil level before each use. Perform regular maintenance like changing the oil, air filter, and spark plug according to the owner’s manual. It’s also good to run the generator for about 15-30 minutes every few months to keep it in good working order.

Q: Are larger generators always better?

A: Not necessarily. A larger generator might use more fuel than you need. It can also be heavier and more expensive. The best generator is one that matches your specific power needs without being too big or too small.