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Commercial Standby Generators

Choosing the right commercial standby generator is crucial for ensuring your business stays operational during power outages. But with so many options on the market, it can be tough to know which one is best suited to your needs. In this article, we've done the hard work for you.

We've conducted thorough research and testing to bring you the top choices in commercial standby generators. Read on to find detailed reviews, pros, cons, and handy tips to help you make an informed decision.

Name Rating Pros Cons Why Buy Learn More
Briggs & Stratton 13kW PowerProtect Home Standby Generator

Briggs & Stratton 13kW PowerProtect Home Standby Generator

4.6

/5

Best Commercial Standby Generator

Compact design, High motor-starting, Corrosion-resistant Heavy, Louder Ideal for tight spaces needing reliable power.
Briggs & Stratton PowerProtect 22kW Home Standby Generator

Briggs & Stratton PowerProtect 22kW Home Standby Generator

4.8

/5

Best Large Commercial Standby Generator

Seamless activation, Remote monitoring, Durability Heavy, Higher cost Great for homes needing reliable, high-power backup.
Cummins A061C591 Quiet Connect 13kW Home Standby Generator LP/NG | RS13A

Cummins A061C591 Quiet Connect 13kW Home Standby Generator LP/NG | RS13A

4.7

/5

Best Quiet Commercial Standby Generator

Quiet operation, Remote monitoring, High motor starting Heavy, Limited warranty Ideal for quiet yet reliable power needs.
Cummins A061C596 Quiet Connect 17kW Home Standby Generator | RS17A

Cummins A061C596 Quiet Connect 17kW Home Standby Generator | RS17A

4.7

/5

Best Portable Commercial Standby Generator

Automatic activation, Remote monitoring, Quiet Optional kits needed, Heavy Perfect for complete home power backup.
Cummins A061C601 Quiet Connect 20kW Home Standby Generator LP/NG | RS20A

Cummins A061C601 Quiet Connect 20kW Home Standby Generator LP/NG | RS20A

4.9

/5

Best Quiet Commercial Backup Generator

Very quiet, Auto activation, Remote monitoring Extra components needed, Heavy Ideal for powerful, quiet home backup.
Briggs & Stratton Home Standby Briggs & Stratton PowerProtect 13kW Home Standby Generator

Best Commercial Standby Generator for Sale

Briggs & Stratton 13kW Commercial Standby Generator

Perfect for homeowners seeking a compact and powerful standby generator.

The Briggs & Stratton 13kW PowerProtect Commercial Standby Generator is a lifesaver during power outages. This model is especially great if you hate the hassle of big, noisy generators. It's 39% smaller than other models, so you can install it even in tight spaces.

I love that it has a 37 kVA motor-starting capacity. This means it can handle your heavy appliances without a hiccup. Plus, it has a corrosion-resistant coat, keeping it durable over time.

I found the Eco-Cise Weekly Test Mode handy for easy maintenance. You can also monitor it remotely with InfoHub, giving you peace of mind when you're away. The 6-year warranty is generous and covers labor, parts, and service, which saves you money.

Powering up to 13kW on propane and 11.5kW on natural gas, it’s quieter than you'd expect at 69 dB(A). If you need a reliable generator that won’t take up much space, this is the one to get.

Pros
  • Compact and space-saving design
  • High motor-starting capacity for heavy appliances
  • Corrosion-resistant housing
  • Flexible installation options
Cons
  • Heavier than some alternatives
  • Slightly louder than ultra-quiet models
Power Output (Propane) 13kW
Power Output (Natural Gas) 11.5kW
Weight 315 lbs
Noise Level 69 dB(A)
Motor Starting Capacity 37 kVA
Warranty 6 years (labor, parts, service)
Front view of Briggs & Stratton PowerProtect 22kW Home Standby Generator

Best Large Commercial Standby Generator for Sale

Briggs & Stratton 22kW Commercial Standby Generator

Ideal for homeowners who need reliable backup power for all essential appliances.

The Briggs & Stratton PowerProtect 22kW Commercial Standby Generator is a strong and reliable option for anyone needing backup power. It starts automatically during outages, making it very convenient. I love how you can monitor it with a smartphone app.

This gives you peace of mind even when you're not home. This generator can handle all your essential appliances without a hitch. The weatherproof design keeps it running in any condition, which is a huge plus.

With its high motor-starting capacity, it powers big appliances with ease. The installation flexibility is a big bonus, allowing setup close to your home. It runs at 22kW for both liquid propane and natural gas, weighs 465 pounds, and is quiet at 68 dB(A).

The 6-year warranty covers everything, so you don’t have to worry about extra costs. It's a solid choice for keeping your home safe and comfortable during power outages.

Pros
  • Seamless automatic activation
  • Convenient remote monitoring via smartphone app
  • Weatherproof design for durability
  • High motor-starting capacity
  • Comprehensive 6-year warranty
Cons
  • Heavy unit
  • Higher cost compared to smaller models
Power Output (Propane/Natural Gas) 22kW
Weight 465 lbs
Noise Level 68 dB(A)
Motor Starting Capacity High
Warranty 6 years (labor, parts, service)
Installation Flexibility Within 18 inches of building
MightyGenerators Home Standby Cummins Quiet Connect RS13A 13kW (C13N6H)

Best Quiet Commercial Standby Generator

Cummins Quiet Connect 13kW Home Standby Generator | RS13A

Ideal for those needing reliable, quiet home power backup.

The Cummins Quiet Connect 13kW Home Standby Generator RS13A is an excellent choice for anyone who wants a quiet and reliable generator. It runs on natural gas or propane and features a V-twin engine. This generator is super quiet, operating at just 65 dB(A).

This makes it quieter than a normal conversation. You can also monitor and control it remotely using your smartphone or computer, which is very convenient. It easily starts and runs a 5-ton A/C unit, which impressed me.

The cold start capability down to 0 °F ensures it performs well even in harsh conditions. The intelligent load management system handles up to 4 loads, ensuring you never lose power where you need it most. The 'crank only' diagnostic mode is useful for reducing wear and prolonging its life.

Its aluminum exterior and galvanized steel interior make it durable and compliant with all major safety standards. The installation is flexible, allowing placement as close as 18 inches to your home. Overall, it's an excellent investment for uninterrupted comfort and security at home.

Pros
  • Very quiet operation
  • Remote monitoring capabilities
  • High motor starting capacity
  • Durable aluminum and galvanized steel construction
  • Flexible installation options
Cons
  • Heavy unit
  • Limited warranty period
Power Output (Propane/Natural Gas) 13kW
Noise Level 65 dB(A)
Starting Capacity 26 kVA
Cold Start Capability Down to 0 °F
Weight Optimized for performance
Load Management Handles up to 4 loads
MightyGenerators Home Standby Cummins Quiet Connect RS17A 17kW (C17N6H)

Best Portable Commercial Standby Generator for Sale

Cummins Portable Commercial Standby Generator

Perfect for homeowners wanting uninterrupted power for their entire home.

The Cummins Quiet Connect 17kW Home Standby Generator ensures your home never goes dark during power outages. It automatically kicks in when the power cuts, ensuring your home stays comfortable and safe. The generator runs on natural gas or propane and can handle heavy appliances like air conditioners.

I was impressed by the remote monitoring via the Cloud Connect Smartphone App, making it easy to check on the generator's status. It's also quiet, which means no noisy disruptions. It performs well in cold temperatures, down to 0°F, and even lower with optional kits.

The intelligent load management system optimizes power to up to 4 loads, ensuring efficient operation. Installation is flexible and compliant with major safety standards, allowing placement 18 inches from your home. It has a 5-year or 2000-hour warranty.

The crank only diagnostic mode helps reduce wear and emissions. This generator is a reliable solution for anyone needing uninterrupted power.

Pros
  • Automatic activation during outages
  • Remote monitoring via smartphone app
  • Quiet operation
  • Handles heavy appliances
  • Flexible installation options
Cons
  • Needs optional kits for very low temperatures
  • Heavy unit
Power Output (Propane/Natural Gas) 17kW
Noise Level Quiet operation
Cold Start Capability Down to 0 °F (lower with optional kits)
Warranty 5 years or 2000 hours
Load Management Handles up to 4 loads
Installation Flexibility Within 18 inches of building
Cummins Home Standby Cummins RS20A - 20kW Quiet Connect Series Home Standby Generator

Best Quiet Commercial Backup Generator

Cummins Quiet Connect 20kW Commercial Backup Generator

Perfect for those who need a reliable, powerful generator that operates quietly.

The Cummins Quiet Connect 20kW Home Standby Generator ensures your home stays lit during power outages. It connects to natural gas or propane and activates automatically when the power goes out. This generator runs on a V-twin air-cooled engine and is as quiet as a normal conversation at 65 dB(A).

It can start a 5-ton A/C unit under a full load. Even in temperatures as low as 0°F, the generator works reliably. With the Cloud Connect App, you can monitor it remotely.

The intelligent load management system handles up to 4 loads, making sure your most important appliances always have power. The flexible exercise modes help reduce emissions and minimize wear. The unit comes with a 5-year or 2000-hour warranty that covers travel, labor, and parts.

Installation is flexible and meets all major safety standards, allowing it to be placed within 18 inches of a building. It's perfect for keeping your home comfortable and secure during power outages.

Pros
  • Very quiet operation
  • Automatic activation during outages
  • Remote monitoring capabilities
  • Handles heavy appliances efficiently
  • Meets all major safety standards
Cons
  • Needs additional components for full installation
  • Heavier than smaller models
Power Output (Propane/Natural Gas) 20kW
Noise Level 65 dB(A)
Cold Start Capability Down to 0 °F
Warranty 5 years or 2000 hours
Load Management Handles up to 4 loads
Installation Flexibility Within 18 inches of building

Commercial Standby Generators FAQ

What is a commercial standby generator?

A commercial standby generator is a backup power system designed to automatically provide electricity during an outage, ensuring that essential appliances and systems continue to operate.

How does a commercial standby generator differ from a portable generator?

A commercial standby generator is permanently installed and connected to your home's electrical system, offering automatic power backup, while a portable generator requires manual setup and can only power limited appliances at a time.

Do commercial standby generators require regular maintenance?

Yes, regular maintenance is important to ensure the generator operates correctly during an outage. Most models have features like automatic weekly tests to simplify the maintenance process.

Can I use natural gas or propane with a commercial standby generator?

Yes, most commercial standby generators are designed to work with either natural gas or propane, offering flexible fuel options.

How close to my home can I install a commercial standby generator?

Most models can be installed as close as 18 inches to your home, following proper installation guidelines and safety standards.

Is a commercial standby generator noisy?

Many modern commercial standby generators are designed to operate quietly, with noise levels similar to a normal conversation, typically around 65-70 dB(A).

How do I monitor the status of my commercial standby generator?

Many generators offer remote monitoring capabilities via smartphone apps, allowing you to check the status and manage the generator from anywhere.

What factors should I consider when choosing a commercial standby generator?

Key factors include power output, noise level, fuel type, ease of installation, warranty, and additional features like remote monitoring and load management.

To Conclude

Choosing the right commercial standby generator involves considering factors like power output, noise level, and ease of installation. Throughout this article, we've highlighted top products like the Briggs & Stratton 13kW and Cummins Quiet Connect series, emphasizing their unique features and reliability. With varied options catering to different needs and preferences, you can find a generator that ensures seamless power backup during outages.

Explore our detailed reviews and make an informed decision to keep your home comfortable and secure.

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