A reliable generator is still the fastest way to restore power when the grid goes down. Whether you’re dealing with storms, winter outages, or grid failures, the right home backup generator can keep your refrigerator running, sump pump working, and heat on until power is restored.
This guide covers the best generators for power outages, what size you need, and how to choose the right setup for your home.
Why Every Home Needs a Backup Generator
When power goes out, you immediately lose:
- refrigeration
- heating or cooling
- sump pumps
- lighting
- internet
- security systems
A properly sized generator can keep your home functional and prevent costly damage like flooded basements or spoiled food.
Generators are ideal for:
- extended outages
- winter storms
- homes with basements
- rural areas
- homes with well pumps
Quick Picks: Best Generators for Home Backup
Best Overall: Champion 7500W Dual Fuel Generator
Best Budget: WEN 6500 Watt Generator
Best Quiet Generator: Honda EU7000is
Best Whole-House Generator: Generac 22kW Standby Generator
Best Dual Fuel Option: DuroMax 10,000W Dual Fuel
Generator Comparison Table
| Generator | Watts | Fuel Type | Best For |
|---|---|---|---|
| Champion 7500W | 7500 | Gas/Propane | Most homes |
| WEN 6500 | 6500 | Gas | Budget setups |
| Honda EU7000is | 7000 | Gas | Quiet operation |
| Generac 22kW | Whole home | Natural gas | Full house |
| DuroMax 10kW | 10,000 | Dual fuel | Larger homes |
Best Overall Generator: Champion 7500W Dual Fuel
The Champion 7500W dual-fuel generator is one of the best all-around options for homeowners. It provides enough power to run essential appliances and can operate on either gasoline or propane.
Key features
- 7500 running watts
- dual fuel capability
- electric start
- reliable output
This size is ideal for:
- refrigerators
- sump pumps
- lights
- furnace blowers
👉 Check price and availability → [Affiliate Link]
Best Budget Generator: WEN 6500
If you want reliable power at a lower cost, the WEN 6500 is a strong entry-level generator.
Best for
- basic home backup
- smaller homes
- essential appliances
👉 See current price → [Affiliate Link]
Best Quiet Generator: Honda EU7000is
Honda generators are known for reliability and quiet operation. This model is ideal for neighborhoods where noise is a concern.
👉 View details → [Affiliate Link]
Best Whole-House Generator: Generac 22kW
A standby generator automatically powers your home when an outage occurs. These systems connect directly to your electrical panel and run on natural gas or propane.
Best for:
- large homes
- automatic backup
- long outages
👉 Get pricing → [Affiliate Link]
What Size Generator Do You Need?
Most homeowners do not need to power their entire house. Start with essential appliances.
Small homes:
5000 watts
Average homes:
7000–9000 watts
Large homes:
10,000–12,000 watts
Whole house:
20kW+ standby generator
👉 Read full sizing guide: What Size Generator Do I Need for My House
Generator vs Battery Backup
Generator
- high output
- long runtime
- fuel required
- outdoor use
Battery backup
- quiet
- indoor safe
- limited runtime
Many homeowners use both:
Battery for short outages
Generator for long outages
👉 See: Best Home Battery Backup Systems
Best Generator for Sump Pumps
If your home has a basement, protecting your sump pump is critical. A 5000–7000 watt generator can keep it running during storms.
👉 See guide: Best Backup Power for Sump Pumps
Generator Safety Tips
Always follow these rules:
- run generators outdoors
- keep 20 feet from home
- use heavy-duty cords
- install carbon monoxide detectors
- never run in garage
👉 Read: Generator Safety & Placement Guide
How to Connect a Generator to Your House
Two main options:
Extension cords
- cheapest
- manual
- limited appliances
Transfer switch
- safer
- powers circuits
- recommended
👉 Learn more: Transfer Switch vs Interlock Kit
Frequently Asked Questions
How long can a generator run?
As long as fuel is available.
Can I run my entire house?
Only with a large generator or standby system.
What’s the most common generator size?
7000–9000 watts for most homes.
Final Recommendation
For most homeowners:
7500–9000 watt generator provides reliable backup power.
If you want automatic whole-house power:
Install a standby generator.
Related Guides
- Best Home Battery Backup Systems
- Best Solar Generators for Home Backup
- What Size Generator Do I Need
- Generator Maintenance Checklist
- Home Power Outage Checklist
Bottom Line
A generator is one of the most important investments you can make for outage protection. It keeps essential systems running and prevents costly damage during storms and grid failures.
Choosing the right generator now ensures your home stays powered when it matters most.