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We compared 2 models to help you find the best generac portable generators under $10000. The Generac 28kW Whole Home Generator leads because its 524-pound build supports whole homes needing maximum automatic power. Each pick relies strictly on the specifications published on the listings. You will see how weight, dimensions, and connectivity features differ across these units. This guide helps you decide which generator fits your home’s size and power needs.
Check fuel type and weight first
Your choice depends on fuel access and space. The top pick weighs 524 pounds and uses cellular connectivity for automatic whole-home backup. The second option weighs 466 pounds and runs on gas with Wi-Fi. Choose based on whether you need maximum power or a lighter, gas-fed unit. Verify your installation space matches the dimensions.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Generac 28kW Whole Home Generator Best overall | whole homes needing maximum automatic power | |
| 2 | Generac Guardian 22kW Home Generator Best gas | Whole-house natural gas backup power |
The best fit for you
- You need maximum automatic power for a large home – Generac 28kW Whole Home Generator – It delivers 28kW of output with cellular connectivity for high reliability.
- You want whole-house backup using natural gas fuel – Generac Guardian 22kW Home Generator – It runs on gas and includes Wi-Fi connectivity for remote monitoring.
- You prefer a lighter unit that is easier to install – Generac Guardian 22kW Home Generator – It weighs 466 pounds, which is 58 pounds less than the top pick.
Generac 28kW Whole Home Generator
Best for: whole homes needing maximum automatic power
- Intended Use
- Home, Home Backup
- Application
- Backup Power
- Operation
- Automatic
- Dimensions
- 46.4 × 26.3 × 30.7 inches
- Weight
- 524 pounds
This Generac unit delivers 28kW of automatic backup power for whole-home protection. It measures 46.4 by 26.3 by 30.7 inches and weighs 524 pounds. Built-in cellular connectivity allows remote monitoring via the Mobile Link app. Electronic fuel and ignition control optimize efficiency. It includes a transfer switch and comes with a 5-year limited warranty for long-term assurance.
- 28kW output for whole-home backup
- Built-in cellular connectivity for remote monitoring
- Electronic fuel and ignition control for efficiency
- 5-year limited warranty included
- 28kW capacity is higher than the 22kW Guardian model on this list
- 524-pound weight requires significant floor space and support
- You need maximum automatic power for a large home
- You want remote monitoring via cellular connectivity
- You prefer a bundled package with a transfer switch
- You require a smaller footprint than 46.4 inches in length
- You cannot support a 524-pound unit
- You need a lower capacity unit like the 22kW Guardian
Verdict: Generac 28kW Whole Home Generator suits buyers who need the highest automatic power output in this comparison. Its cellular connectivity and robust build make it ideal for large homes requiring maximum reliability during outages.
Generac Guardian 22kW Home Generator
Best for: Whole-house natural gas backup power
- Fuel Type
- Natural Gas, Propane
- Intended Use
- Home, Home Backup
- Connectivity
- Wi-Fi
- Application
- Backup Power
- Operation
- Automatic
- Dimensions
- 50 × 27 × 29 inches
This Generac Guardian unit delivers 22,000 watts of whole-house backup power via natural gas or propane. It includes a 200 Amp smart transfer switch and Wi-Fi monitoring for remote performance tracking. Weighing 466 pounds and measuring 50 inches long, it is a substantial installation. The G-Force engine provides clean power with low harmonic distortion. It suits homeowners needing reliable, automatic emergency electricity during outages.
- 22,000 watts output with under 5% harmonic distortion
- Includes 200 Amp NEMA 3R smart transfer switch
- Wi-Fi monitoring via Mobile Link connectivity
- Runs on natural gas or propane fuel
- Heavy at 466 pounds, requiring sturdy support
- Large footprint at 50 inches long and 29 inches high
- Requires professional installation by a licensed electrician
- You need whole-house power backup for essential circuits
- You have a natural gas or propane supply available
- You want remote status monitoring via Wi-Fi
- You require a portable unit for camping or tailgating
- You cannot support a 466-pound permanent installation
- You need a compact generator for limited outdoor space
Verdict: Generac Guardian 22kW Home Generator is a robust permanent solution for homeowners seeking reliable whole-house backup power. It fits those with the space and infrastructure for a heavy, gas-powered standby unit.
Specifications side by side
| Spec | Generac 28kW Whole Home Generator | Generac Guardian 22kW Home Generator |
|---|---|---|
| Fuel Type | – | Natural Gas, Propane |
| Intended Use | Home, Home Backup | Home, Home Backup |
| Connectivity | – | Wi-Fi |
| Application | Backup Power | Backup Power |
| Operation | Automatic | Automatic |
| Dimensions | 46.4 × 26.3 × 30.7 inches | 50 × 27 × 29 inches |
| Weight | 524 pounds | 466 pounds |
| Color | Metro Gray | Bisque |
| Model | 7329 | 7043 |
How to choose the right generator
Check the fuel source
Your available fuel determines which unit fits your home. The second pick runs on gas, connecting directly to your existing supply. This option suits buyers who want consistent refueling without handling propane tanks. The top model uses cellular connectivity for automatic operation, but its fuel source is not listed in the provided data. Verify your local infrastructure before buying. If you rely on natural gas, the gas-powered model offers a steady stream of energy. If you prefer liquid fuel, ensure your storage capacity matches the generator’s consumption rate. Always check the fuel type specification first.
Evaluate the weight
These units are heavy and require a stable foundation. The top pick weighs 524 pounds, providing a robust build for whole-home backup. The second option weighs 466 pounds, which is still substantial. You need a concrete pad or reinforced surface to support this mass. Do not assume these are portable in the traditional sense. The high weight indicates a durable, permanent installation. Check the weight specification to plan your installation site. If you cannot support over 450 pounds, neither of these models is suitable. Ensure your property can handle the load before ordering.
Review connectivity options
Remote monitoring helps you track performance during outages. The second model includes Wi-Fi connectivity for remote management. This feature lets you check status from your phone. The top pick uses cellular connectivity for automatic operation. This ensures it stays connected even if your home internet fails. Compare these options based on your network reliability. If your Wi-Fi is unstable, the cellular model offers better security. If you have strong home internet, Wi-Fi is sufficient. Check the connectivity spec to match your infrastructure needs. Reliable connection means you stay informed during power loss.
Consider the dimensions
Space is limited for permanent installations. The top model measures 46.4 inches in length, 26.3 inches in width, and 30.7 inches in height. The second model is larger at 50 inches long and 27 inches wide. Measure your installation area carefully before purchasing. You need clearance for airflow and maintenance access. Do not place units against walls without checking spacing. Compare the length and width specs to your available space. If you have a tight corner, the smaller footprint of the top pick may fit better. Always verify dimensions to avoid installation issues.
Assess automatic operation
Automatic start saves you time during emergencies. Both models operate automatically, turning on when power fails. You do not need to manually start them. This feature is critical for whole-home backup. Check the operation spec to confirm automatic functionality. The top pick offers maximum automatic power for large homes. The second model provides reliable whole-house backup. Automatic operation ensures your essential appliances stay running. Verify this spec to avoid manual start units. If you want set-and-forget convenience, both options deliver this. Always choose automatic operation for peace of mind during outages.
Frequently asked questions
Which Generac generator is best for whole-home backup?
The Generac 28kW Whole Home Generator is the top choice for whole-home backup. It offers maximum automatic power output and uses cellular connectivity for reliable monitoring. This unit weighs 524 pounds and measures 46.4 inches long, making it a substantial addition to your property.
How heavy is the top-ranked Generac model?
The top-ranked Generac 28kW Whole Home Generator weighs 524 pounds. Its dimensions are 26.3 inches wide, 30.7 inches high, and 46.4 inches long. This heavy build supports its role as a robust, automatic backup solution for large homes needing maximum power reliability.
Does the second pick use gas or propane?
The second pick, the Generac Guardian 22kW Home Generator, uses gas as its fuel type. It is designed for whole-house natural gas backup power. This model weighs 466 pounds and features Wi-Fi connectivity for remote monitoring of your home's power status.
What connectivity options do these Generac units have?
The top pick uses cellular connectivity for automatic whole-home backup. The second option provides Wi-Fi connectivity for remote monitoring. Both systems allow you to track generator status remotely, ensuring you stay informed about your home's power supply during outages.
Are these generators automatic or manual?
Both listed models operate automatically. The top pick provides maximum automatic power for whole homes. The second option also features automatic operation, making it a robust permanent solution for homeowners seeking reliable whole-house backup without manual intervention during power loss.
What is the weight difference between the two models?
The top pick weighs 524 pounds, while the second option weighs 466 pounds. This results in a weight difference of 58 pounds. The lighter second model may be easier to handle, though both are heavy units designed for permanent home installation.
What colors are available for these Generac generators?
The top-ranked Generac 28kW Whole Home Generator comes in Metro Gray. The second pick, the Generac Guardian 22kW Home Generator, is available in Bisque. These neutral colors help the units blend into outdoor environments while maintaining a professional appearance.
