Buyers Guide

Portable Generators for Home Backup: What You Need to Know

top for home backup power


In an age where electricity powers almost every aspect of our daily lives, a sudden power outage can cause significant disruption. From keeping the lights on to ensuring critical appliances continue to function, having a reliable source of backup power is essential. This is where portable generators come into play.

This comprehensive guide will walk you through everything you need to know about portable generators for home backup, helping you make an informed decision to keep your home powered during emergencies.

Why You Need a Portable Generator

1. Emergency Power Supply

The primary reason for owning a portable generator is to ensure an uninterrupted power supply during emergencies. Natural disasters, such as hurricanes, earthquakes, and storms, can knock out power lines, leaving you in the dark for hours or even days. A portable generator provides a reliable backup, ensuring that your essential appliances and systems remain operational.

2. Maintaining Comfort and Safety

During a power outage, maintaining indoor temperatures can be challenging, especially in extreme weather conditions. Portable generators can power heating and cooling systems, ensuring your home remains comfortable. They can also keep essential safety systems, such as smoke detectors and security alarms, functioning.

3. Protecting Perishable Goods

Refrigerators and freezers keep your food fresh and safe to consume. A prolonged power outage can lead to food spoilage, resulting in waste and potential health risks. A portable generator can keep your refrigeration units running, protecting your perishable goods.

4. Ensuring Communication

In today’s connected world, staying in touch with loved ones and accessing information during an emergency is crucial. Portable generators can power communication devices such as phones, internet routers, and radios, ensuring you remain connected and informed.

Key Considerations When Choosing a Home Backup Generator

Selecting the right portable generator for your home involves considering several factors. Here are the key aspects to keep in mind:

1. Power Requirements

Understanding your power needs is the first step in selecting a generator. Make a list of the essential appliances and devices you want to power during an outage and their wattage requirements. Consider both starting (surge) wattage and running wattage. Add up the total wattage to determine the generator size you need.

Example of Power Requirements:

  • Refrigerator: 600W (starting) / 200W (running)
  • Furnace: 1400W (starting) / 700W (running)
  • Lights: 300W
  • Television: 150W
  • Sump Pump: 1300W (starting) / 800W (running)

2. Fuel Type

Portable generators can run on various fuels, including gasoline, propane, natural gas, and diesel. Each fuel type has its pros and cons:

  • Gasoline: Widely available but has a shorter shelf life and can be dangerous to store in large quantities.
  • Propane: Longer shelf life and cleaner burning, but requires a separate storage tank.
  • Natural Gas: Continuous supply through gas lines, but not portable and limited to locations with natural gas infrastructure.
  • Diesel: Efficient and longer shelf life, but generators are typically louder and heavier.

3. Noise Level

Noise level is an important consideration, especially in residential areas. Generator noise is measured in decibels (dB). Look for generators with lower dB ratings if you want a quieter operation. Inverter generators are typically quieter than conventional ones.

4. Portability

While all portable generators are designed to be movable, their ease of transportation varies. Consider the weight, handle design, and wheel configuration. For home use, you may prefer a generator that can be easily moved but still offers sufficient power output.

5. Run Time

Run time refers to how long a generator can operate on a full tank of fuel. Consider your typical power outage duration and choose a generator with a run time that meets your needs. A larger fuel tank usually means longer run time but also more weight.

6. Outlets and Connectivity

Check the number and types of outlets on the generator. Ensure it has enough outlets to connect all your essential appliances. Look for features like USB ports for charging devices and 240V outlets for heavy-duty appliances.

7. Safety Features

Safety is paramount when using portable generators. Look for features such as:

  • Automatic Low-Oil Shutoff: Shuts down the generator to prevent engine damage when oil levels are low.
  • Overload Protection: Prevents damage to the generator and connected appliances by shutting off the power when it detects an overload.
  • Carbon Monoxide Detectors: Some newer models include CO detectors that shut off the generator if CO levels become dangerous.

8. Budget

Portable generators come in a wide range of prices. Determine your budget and find a generator that offers the best value for your money without compromising on essential features.

Top Models: Reviews and Comparisons

1. Honda EU2200i Portable Generator

The Honda EU2200i is a popular choice for home backup due to its reliability, quiet operation, and fuel efficiency.

Honda EU2200i


  • Power Output: 2200W peak / 1800W running
  • Fuel Type: Gasoline
  • Noise Level: 48-57 dB
  • Run Time: Up to 8.1 hours at 25% load
  • Weight: 47 pounds
  • Safety: CO-MINDER (carbon monoxide detection)


  • Ultra-quiet operation, making it ideal for residential use.
  • Fuel-efficient with a long run time.
  • Compact and lightweight for easy portability.


  • Higher price point compared to some competitors.
  • Limited power output, not suitable for larger homes with higher power needs.

2. DuroMax XP5500EH Dual Fuel Portable Generator

The DuroMax XP5500EH remains a strong option for home backup due to its dual-fuel capability and reliable performance.

DuroMax XP5500EH
DuroMax XP5500EH Dual Fuel Generator


  • Power Output: 5500W peak / 4500W running
  • Fuel Type: Gasoline/Propane
  • Noise Level: 69 dB
  • Run Time: Up to 9 hours on gasoline, 10 hours on propane at 50% load
  • Weight: 142 pounds
  • Safety: Low-oil shutoff, surge protection


  • Dual fuel capability for flexibility.
  • Good power output for essential home appliances.
  • Durable and reliable engine.


  • Heavier and bulkier than some other portable models.
  • Slightly louder operation compared to inverter generators.

3. Generac 7154 GP3300i Inverter Generator

The Generac GP3300i is an updated model offering compact design and inverter technology, making it suitable for sensitive electronics and residential use.

Generac GP3300i


  • Power Output: 3300W peak / 2500W running
  • Fuel Type: Gasoline
  • Noise Level: 58 dB
  • Run Time: Up to 5.8 hours at 50% load
  • Weight: 59.5 pounds
  • Safety: Low-oil shutoff, economy mode for fuel efficiency


  • Quiet operation, ideal for residential areas.
  • Lightweight and highly portable.
  • Inverter technology provides clean power, safe for sensitive electronics.


  • Lower power output compared to larger models.
  • Shorter run time due to smaller fuel tank.

4. Westinghouse WGen9500DF Dual Fuel Portable Generator

The Westinghouse WGen9500DF is highly popular and offers robust power output with dual-fuel capability, making it an excellent choice for home backup.

Westinghouse WGEN9500DF


  • Power Output: 12500W peak / 9500W running
  • Fuel Type: Gasoline/Propane
  • Noise Level: 74 dB
  • Run Time: Up to 12 hours on gasoline, 8 hours on propane at 50% load
  • Weight: 210 pounds
  • Safety: Electric start, low-oil shutoff, overload protection


  • High power output, suitable for whole house backup.
  • Dual fuel capability for flexibility.
  • Electric start for convenience.


  • Heavier and less portable due to size.
  • Louder operation compared to smaller inverter models.

These updated models provide a mix of power, flexibility, and reliability, ensuring you have a robust backup power solution for your home.

Installation Tips: How to Set Up and Maintain Your Home Backup Generator Safely

AIVOLT Dual Fuel Portable Inverter Generator- 10000W

1. Placement and Ventilation

Proper placement of your generator is crucial for safe operation. Follow these guidelines:

  • Outdoor Use Only: Always use portable generators outdoors to avoid carbon monoxide buildup indoors.
  • Safe Distance: Place the generator at least 20 feet away from windows, doors, and vents.
  • Ventilation: Ensure the generator is in a well-ventilated area to prevent overheating and ensure proper exhaust dispersion.

2. Connecting to Your Home

There are two primary methods to connect a portable generator to your home:

Direct Plug-In

  • Extension Cords: Use heavy-duty, outdoor-rated extension cords to connect appliances directly to the generator.
  • Limitations: This method is suitable for powering a few essential devices but can be cumbersome and less efficient.

Transfer Switch

  • Transfer Switch Installation: Install a transfer switch to connect your generator directly to your home’s electrical system. This requires a licensed electrician.
  • Advantages: A transfer switch allows for a safer and more efficient connection, enabling you to power multiple circuits in your home without running extension cords.

3. Maintenance Tips

Regular maintenance is key to ensuring your generator operates reliably when needed. Follow these tips:

  • Oil Changes: Change the oil regularly according to the manufacturer’s recommendations.
  • Air Filter: Clean or replace the air filter periodically to maintain engine performance.
  • Spark Plugs: Inspect and replace spark plugs as needed to ensure efficient operation.
  • Fuel System: Use fuel stabilizer to prevent fuel degradation and run the generator periodically to keep the fuel system clean.
  • Battery: If your generator has an electric start, maintain the battery by charging it periodically or using a trickle charger.

4. Safety Precautions

  • Carbon Monoxide Detectors: Install CO detectors in your home to alert you to dangerous levels of carbon monoxide.
  • Fire Extinguisher
  • Ensure you have a fire extinguisher nearby when operating your generator.
  • Avoid Overloading: Do not exceed the generator’s rated capacity to prevent damage and hazards.
  • Proper Storage: Store your generator in a dry, safe place and ensure it is properly maintained when not in use.


A portable generator is an invaluable asset for home backup, providing peace of mind and ensuring your essential appliances continue to function during power outages.

By understanding your power requirements, choosing the right fuel type, considering noise levels, and following safety and maintenance tips, you can select and operate a portable generator effectively.

The reviewed models—Honda EU2200i, DuroMax XP5500EH Dual Fuel portable generator, Generac 7154 GP3300i Inverter Generator and Westinghouse WGen9500DF Dual Fuel Portable Generator—offer various options depending on your needs, making them excellent choices for home backup power.

With the right generator and proper preparation, you’ll be well-equipped to handle any power outage with confidence.

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