Updated October 2025

When winter storms sweep through Connecticut or summer thunderstorms take down power lines across Westchester, a reliable home generator is more than a convenience—it’s essential. For many homeowners, the choice comes down to Generac generators or Kohler generators, two of the most trusted names in backup power. Both brands have introduced updated features and models for 2025 that make them stronger, quieter, and smarter than ever.

At New England Total Power, we specialize in helping homeowners choose the right solution for their property. In this guide, we’ll compare the latest Generac and Kohler models, focusing on performance, signature features, warranties, and overall value for Connecticut and Westchester homeowners.

Generac Standby Generators

Key Features

Generac continues to lead the market in residential backup power. In 2025, their lineup includes models ranging from 10 kW to the new 28 kW air-cooled standby generator—the most powerful in its class.

• Automatic Operation: Powers on within seconds of an outage.
• Mobile Link™ Remote Monitoring: Wi-Fi enabled app for system checks and alerts.
• True Power™ Technology: Provides clean, stable electricity for sensitive electronics.
• Quiet-Test™ Mode: Runs weekly self-tests at lower RPM for quieter operation.
• Durable Construction: Weather-resistant enclosures built for harsh New England winters.

Pros and Cons of Generac Standby Generators

Pros:

• Industry leader with a broad model range.
• Reliable, clean power output for electronics.
• Quiet self-test mode.
• Remote monitoring convenience.

Cons:

• Higher upfront cost compared to some portable options.
• Routine professional maintenance required.

Customer Reviews

Homeowners praise Generac for its ease of use and monitoring features. Many note the convenience of automatic operation and how seamlessly it powers their homes during extended outages.

Kohler Standby Generators

Kohler has always been known for craftsmanship and design—and their 2025 lineup continues that tradition. Models such as the 10RESV and larger liquid-cooled 38RCLC and 48RCLC combine sleek enclosures with robust performance.

Key Features

• Fast Response: Powers on in as little as 10 seconds after an outage.
• OnCue® Plus Remote Monitoring: Real-time system health tracking.
• PowerBoost™ Technology: Handles heavy loads like central air conditioning without hesitation.
• Corrosion-Resistant Enclosures: Ideal for coastal conditions and salt air exposure.
• Quiet Operation: Liquid-cooled models run at just 60 dB(A).

Pros and Cons of Kohler Standby Generators

Pros:

• Strong load-handling capability.
• Sleek, durable design built to blend with homes.
• Excellent corrosion resistance for coastal areas.
• Competitive 5-year/2,000-hour warranty.

Cons:

• Higher fuel consumption on certain models.
• Some units are noisier than competitors.

Customer Reviews

Customers of Kohler generators frequently highlight their quick response time and robust build quality. Many users have reported reliable performance during prolonged outages. On the downside, some customers have mentioned higher noise levels and fuel consumption as potential drawbacks.

Comparing Generac and Kohler Standby Generators

Feature Category	Generac Generators	Kohler Generators
Average Equipment Cost*	Starts around $3,649 USD for 10 kW models.	Starts around $3,779 USD for 10 kW models.
Performance / Power Output	Broad range (10 kW up to 28 kW air-cooled) focusing on whole-home coverage	Ranges from 10 kW up to 48 kW liquid-cooled, designed for heavy loads
Signature Features	True Power™ clean electricity, Quiet-Test™ mode, Mobile Link™ remote monitoring	PowerBoost™ heavy-load support, OnCue® Plus remote monitoring, ultra-quiet operation
Design & Aesthetics	Practical, compact, low-noise enclosures for suburban homes	Premium finishes and corrosion-resistant casings – ideal for high-end or coastal properties
Fuel Efficiency / Long-Term Use	Typically more fuel-efficient long-term – good for sensitive electronics and moderate loads	Exceptional at supporting large HVAC systems, though higher fuel usage may apply
Warranty & Reliability	5-year limited warranty, strong reputation for reliability	Also 5-year/2,000-hour limited warranty, premium build and durability
Ideal For	Homeowners prioritizing clean power, advanced monitoring, and efficiency	Homeowners needing robust heavy-load support, design integration, and coastal protection

*Equipment cost reflects base units only from manufacturer-listed pricing. Installation, permitting, site prep, and transfer switch typically add significant additional cost.

Which Generator is Right for You?

Factors to Consider

When choosing between Generac and Kohler, consider the following factors:

• Home Size: Larger homes with higher power needs might benefit from Kohler’s ability to handle large loads.
• Power Needs: If you have sensitive electronics, Generac’s clean power output is advantageous.
• Budget: Generac’s higher initial cost might be offset by lower fuel consumption and maintenance needs over time.
• Noise Sensitivity: Generac’s quiet operation during self-tests can be a deciding factor if noise is a concern.

Both are excellent investments. The difference lies in what matters most to your family—budget, performance, or aesthetics.

Expert Recommendations

For homeowners prioritizing advanced features and clean power, Generac is an excellent choice. However, if you need a robust generator that can handle significant power loads and adverse weather conditions, Kohler stands out.

Both Generac and Kohler offer top-notch standby generators that can keep your home powered during outages. Generac excels in providing clean, stable power with advanced features, while Kohler is known for its durability and ability to handle large loads. Ultimately, the best choice depends on your specific needs, budget, and preferences.

The Bottom Line

Standby generators represent one of the few home improvements that deliver both immediate lifestyle benefits and strong property value returns. In areas like Greenwich, Stamford, and Westchester County, where power reliability remains a real concern, backup generators have evolved from luxury items to essential infrastructure.

New England Total Power is proud to be an Authorized Dealer for both Kohler and Generac in the Greenwich, CT area. We provide expert installation, repair, and maintenance services to ensure your generator is always ready when you need it most. Contact us today to explore the best standby generator options for your home.