Find the Perfect Backup Power Solution With Generac’s Top Inverter Generators

When your home or job site loses power, having a reliable backup generator can make all the difference in keeping things up and running. Unlike traditional loud, bulky generators, inverter generators provide clean, quiet energy perfect for a range of uses.

Generac stands out as a premier brand when it comes to efficient, durable inverter generators. In this comprehensive guide, we’ll review the top 4 Generac inverter generators to help you find the ideal model to meet your needs and budget.

Let’s get started!

What is an Inverter Generator?

Unlike conventional generators with a brush system that creates “dirty” power, inverter generators convert the engine’s AC current to DC power. This gets filtered through a microprocessor to produce pure, stable clean energy the same quality as utility power.

Key advantages of inverter generators include:

  • Quieter operation – 25-50% less noise due to the enclosed inverter module.
  • Lightweight, compact size – Up to 40% smaller than traditional generators.
  • Fuel efficiency – Inverter technology improves gas mileage.
  • Clean electricity – Safe for sensitive electronics like TVs and computers.
  • Portability – Easy to move and transport.

With those key benefits covered, let’s dive into Generac’s top-rated inverter generator options.

Generac GP3000i – Best Mid-Sized Inverter for Home & Camping

The Generac GP3000i packs serious power into a portable, affordable package perfect for home backup and outdoor use.

  • Wattage: 3000 starting; 2300 running watts
  • Key Features: Quiet performance, electric start, economy mode
  • Runtime: 10 hrs @ 25% load
  • Outlets: 2 standard 120V household outlets
  • Dimensions/Weight: 48″ x 26″ x 43″ / 130 lbs


  • Excellent value for a mid-sized inverter generator
  • Up to 10 hours of run time at 25% load
  • PowerDial lets you choose economy or maximum output
  • Electric start for convenience
  • Versatile power options – parallel ready


  • No WiFi monitoring like larger models
  • Runtime reduced at higher wattages

Bottom Line

For RVing, camping, and emergency home backup power, the Generac GP3000i provides the perfect amount of safe, stable power in a portable package. It’s economical to operate and provides up to 8 hours of runtime for furnace fans, lights, appliances and more during outages. For shoppers wanting reliable inverter technology on a budget, this generator is a fantastic choice.

Generac GP8000E – Ultra-Quiet Whole House Standby Power

When you need serious backup wattage to keep your entire home running, the Generac GP8000E is up to the task.

  • Wattage: 8000 starting; 7000 running watts
  • Key Features: PowerRush for surge handling, WiFi Link, electric start
  • Runtime: 16 hrs @ 25% load
  • Outlets: 5-20R 120V; L14-30R 120/240V
  • Dimensions/Weight: 48″ x 33″ x 46″ / 265 lbs


  • Massive power output for whole house coverage
  • Ultra-quiet operation for its size
  • WiFi monitoring to check status from anywhere
  • 16+ hours of runtime at 25% load
  • PowerRush manages surge loads with ease


  • Heavy at over 265 lbs
  • High price over $6,000

Bottom Line

With the ability to provide constant power for your entire home, the Generac GP8000E is worth the premium price for peace of mind. It’s remarkably quiet and fuel efficient thanks to the inverter technology. Perks like WiFi Link, electric start, and turbo-charged power make operation smooth and stress-free when normal power is out. If you want the very best standby protection for your home, the GP8000E delivers without question.

Generac GP15000E – Whole House Backup Power and More

When your home requires some serious backup power, look no further than the Generac GP15000E.

  • Wattage: 15000 starting; 12500 running watts
  • Key Features: Massive power output, WiFi monitoring, frequency regulation
  • Runtime: 24 hrs @ 25% load
  • Outlets: 5-20R 120V; L14-30R 120/240V
  • Dimensions/Weight: 48″ x 33″ x 46″ / 450 lbs


  • Enormous power production for large homes
  • 24 hours of runtime at 25% capacity
  • Advanced inverter technology
  • Quiet operation given gigantic output
  • Fully powered 240V circuits


  • Extremely heavy at 450 lbs
  • Very expensive $8000+ investment

Bottom Line

The Generac GP15000E is in a class of its own, delivering a gargantuan 15kW of power production – enough to run a complete house minus the central AC. From the innovative inverter module to intelligent load balancing, it’s engineered for maximum electrical efficiency. Yes, the premium price tag stings. But there’s simply no better whole home generator if you want the ultimate protection.

Generac GP2200i – Compact & Quiet Camping Companion

If you’re seeking a portable inverter generator packed with power, check out the Generac GP2200i.

  • Wattage: 2200 starting watts; 1700 running watts
  • Key Features: Compact size, quiet performance, parallel capable
  • Runtime: Up to 10.75 hours per tank
  • Outlets: 2 x 120V standard household
  • Dimensions/Weight: 48โ€ x 27โ€ x 43โ€ / 55 lbs


  • Extremely quiet for its size
  • Lightweight and compact for easy transport
  • Economical fuel consumption
  • Can connect multiple units for more power
  • Affordable price under $1000


  • Limited outlets and power capacity
  • Runtime considerably lower under heavy loads

Bottom Line

The Generac GP2200i packs serious inverter power into a small, portable profile perfect for camping, RV travel, events, and power outages. It’s remarkably quiet and fuel efficient. The parallel ready capability also allows linking multiple units when more output is needed. For a rugged yet affordable backup generator you can easily take anywhere, the GP2200i is a fantastic choice for outdoorsmen and preppers alike.

How to Select the Right Generac Inverter Generator

With Generac’s lineup offering such variety, choosing the model best suited to your needs depends on several factors:

  • Power requirements – Calculate your essential starting and running watt needs.
  • Runtime duration – How long do you need peak power output? Longer is better.
  • Sound level – Quieter is better for home use versus worksites.
  • Portability – Important if you need to transport the generator frequently.
  • Budget – Smaller units like the GP2200i cost under $1000. Whole house generators go up to $8000+.

Matching your specific situation to Generac’s generator offerings will ensure you end up with the right power solution.

Operating Your Generator Safely

While Generac’s inverter generators are incredibly user-friendly, safety should always be your top priority:

  • Never run a generator indoors or near open windows – Carbon monoxide risk!
  • Allow ample ventilation space on all sides of the unit when running.
  • Only refuel when the engine is cool to prevent fire hazards.
  • Turn generator off and let it cool before transporting in a vehicle.
  • Keep children and pets away from the generator during operation.

By following basic safety guidelines like these, your Generac generator will provide years of reliable, trouble-free service whenever you need backup power.

Frequently Asked Questions

Here are answers to some of the most common questions about Generac’s inverter generators:

Whatโ€™s the difference between starting and running watts?

Starting watts provide short bursts for power spikes when starting appliances. Running watts are the continuous power output capacity once devices are up and running.

How long can a Generac inverter generator run continuously?

Runtimes vary by model with capacities from 10-24 hours. Check your owner’s manual for runtimes at different load levels.

How often should the oil be changed?

Generac recommends changing the oil annually at minimum after the first 20 initial hours. Some models feature oil drain valves for convenience.

What causes a generator not to start?

Common issues include old/bad gas, defective spark plug, blocked fuel filter, discharged battery, and lack of proper routine maintenance.

What size Generac generator is needed for home backup?

An 8-12kW standby generator can power essential circuits like lights, appliance, heat, and AC units (not all simultaneously). Plan for 2000-3000 starting watts per major appliance.

How noisy are Generac inverter generators compared to conventional models?

Generac inverter generators run 25-50% quieter than traditional models, with noise levels as low as 55 dBA. This allows safer operation close to the home.

How much do Generac inverter generators cost?

Portable inverter models range from $800-$1500. Home standby generators start around $3,000. Large whole house units can cost $6000-$12,000 installed.

Where are the best places to buy Generac generators?

Generac standby systems are sold through authorized dealers. Portable units can be found at home improvement stores or online retailers like Amazon. Only buy from reputable sellers so you get the full factory warranty.

Power Up With Generac for Home and Work

Generac delivers the power, performance, and reliability you can count on, time and again. Their innovative inverter generators provide quiet, affordable backup electricity with advanced features perfect for home or work use.

Use this guide to select the Generac inverter model that best fits your specific power needs and budget. And you can trust youโ€™re making a smart investment in emergency preparedness and peace of mind. Stay powered on even when utility lines are down!

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