Having a reliable power backup system is essential for homes, especially in areas prone to power outages. The Generac 22kW Guardian is a popular standby generator known for its strong performance and durable design. This review provides an in-depth look at the Generac 22kW Guardian, covering its main features, pros and cons, cost-effectiveness, comparisons with other generators, and buying tips. Whether you want to understand if this generator suits your needs or are simply researching options, this guide will offer clear, detailed insights.
Product Overview
The Generac 22kW Guardian is a standby generator designed to provide whole-house backup power during outages. It runs on natural gas or liquid propane, offering flexibility depending on your fuel availability. Generac, as a brand, is well-known for producing reliable, high-quality generators, and the Guardian series is one of their flagship lines.
Key Specifications
- Power output: 22,000 watts (22kW)
- Engine type: Generac’s own OHVI (Overhead Valve Industrial) engine
- Fuel type: Natural gas or liquid propane
- Transfer switch: Included 200-amp automatic transfer switch
- Noise level: Approximately 67 decibels at 23 feet
- Run time: Continuous, as long as fuel is supplied
- Warranty: 5 years on the engine and limited warranty on other parts
Main Features
Powerful Engine and Output
The Guardian 22kW uses Generac’s OHVI engine, which is designed for durability and smooth operation. The 22,000 watts output is sufficient to power large homes, including appliances, HVAC systems, lighting, and electronics.
Automatic Transfer Switch
This generator includes a 200-amp automatic transfer switch. When the power goes out, the transfer switch detects the outage and starts the generator automatically. It then safely switches your home’s electrical load to the generator.
Fuel Flexibility
It can run on natural gas or liquid propane, giving homeowners a choice based on their fuel availability and preference. Both fuel types ensure long-lasting and efficient power generation.
Quiet Operation
With a noise level of about 67 decibels, the generator operates quietly compared to many competitors. This makes it suitable for residential neighborhoods without causing noise disturbances.
Durable Enclosure
The generator is housed in a corrosion-resistant aluminum enclosure. This protects it from weather, rust, and physical damage, enhancing its longevity.
Smart Monitoring
The Guardian model comes with Wi-Fi capability and a mobile app. Homeowners can monitor the generator’s status remotely, receive alerts, and schedule maintenance.
Maintenance Ease
Generac designs the Guardian to be low maintenance. Routine checks like oil changes and air filter replacements are straightforward, and many dealers offer maintenance plans.
Advantages of the Generac 22kW Guardian
- Reliable whole-house power supply for extended outages.
- Fuel flexibility supports natural gas or propane.
- Automatic transfer switch included for seamless power switching.
- Quiet operation suitable for residential use.
- Durable construction for long-term outdoor installation.
- Smart home monitoring through mobile app.
- Generac’s reputation ensures strong customer support and parts availability.
- Easy installation by certified dealers.
Disadvantages of the Generac 22kW Guardian
- High initial cost compared to smaller or portable generators.
- Requires professional installation; not a DIY project.
- Natural gas supply may not be available everywhere.
- Maintenance costs may add up over the years.
- Some users report periodic software glitches with the app.
- Larger footprint; requires adequate outdoor space.
Competitive Product Comparison
Generac 22kW Guardian vs. Kohler 20kW Generators
- Power Output: Generac provides 22kW, slightly more than Kohler’s 20kW.
- Noise Level: Generac tends to be quieter.
- Fuel Options: Both offer natural gas and propane compatibility.
- Price: Kohler models are often priced higher.
- Warranty: Generac offers 5 years, Kohler 5 years on some models but often shorter on others.
- Smart Features: Generac has Mobile Link, while Kohler offers less comprehensive remote monitoring.
Generac 22kW Guardian vs. Briggs & Stratton 20kW Standby Generators
- Power: Generac leads with 22kW versus Briggs & Stratton’s 20kW.
- Engine: Generac uses its proprietary G-Force engine known for robustness; Briggs & Stratton uses their Vanguard engine.
- Noise: Both are relatively quiet; slight edge to Generac.
- Fuel Flexibility: Both support natural gas and propane.
- Price: Comparable pricing, with Generac often having better feature value.
- Installation: Both require professional installation.
Cost-Effectiveness
The Generac 22kW Guardian is a premium standby generator. The initial price typically ranges from $6,000 to $8,000 depending on dealer and installation complexity. Installation costs vary widely but usually add $2,000 to $5,000, depending on the site.
Despite the high upfront cost, the long-term benefits include:
- Reliable protection from costly power outages.
- Automatic operation reduces risk of human error.
- Fuel efficiency with natural gas or propane.
- Durability leading to fewer replacements.
- Increased home value through added energy security.
For homeowners who experience frequent or prolonged power outages, investing in a Generac Guardian provides peace of mind and financial savings by avoiding damage or spoilage caused by power loss.
Purchase Suggestions
Who Should Buy the Generac 22kW Guardian?
- Homeowners with large houses and many electrical appliances.
- Those living in areas prone to frequent power outages or severe weather.
- People who want a permanent, automatic backup power system.
- Owners who prefer fuel flexibility.
- Users who want remote monitoring and smart features.
Considerations Before Purchase
- Check local fuel availability (natural gas or propane).
- Assess if your home electrical system supports a 200-amp transfer switch.
- Confirm adequate outdoor space for installation.
- Prepare for professional installation and ongoing maintenance costs.
- Compare prices and warranty terms from multiple authorized dealers.
Frequently Asked Questions (FAQs)
1. How long can the Generac 22kW Guardian run during an outage?
It can run continuously as long as there is a fuel supply (natural gas or propane). This allows for extended power during long outages.
2. Is professional installation necessary?
Yes. Professional installation is required to ensure safety, proper connection to home electrical systems, and compliance with local codes.
3. Can the generator power an entire house?
Yes. The 22kW output is sufficient for most large homes, including HVAC systems, refrigerators, lights, and electronics.
4. What maintenance is needed?
Regular oil changes, air filter replacement, and periodic inspections are needed. Many dealers offer maintenance plans.
5. Is the generator noisy?
No, it operates quietly at about 67 decibels, which is similar to a normal conversation.
6. Does it work automatically?
Yes, it automatically detects power loss, starts up, and transfers the load without user intervention.
7. What warranty does it have?
It has a 5-year warranty on the engine and limited warranty on other components.
8. Can I monitor it remotely?
Yes. It features Wi-Fi connectivity and a mobile app for status updates and alerts.
Conclusion
The Generac 22kW Guardian is a powerful, reliable standby generator ideal for homeowners needing a whole-house backup power solution. Its durable engine, automatic transfer switch, fuel flexibility, and quiet operation make it a top choice. Though the upfront cost and installation expenses are significant, the long-term reliability and peace of mind it offers justify the investment for many users.
When comparing to competitors, Generac stands out for including the transfer switch and offering better remote monitoring options. Proper installation and maintenance will ensure many years of trouble-free operation.
For homeowners in outage-prone areas who want automatic, dependable power, the Generac 22kW Guardian is a wise and cost-effective choice.
