whole house generator generac vs kohler


As a homeowner, there are few things more important than ensuring that your home has a reliable source of power. A whole house generator is a critical investment for those who wish to safeguard their homes from power outages, particularly during severe weather events. However, choosing between the various generator brands can be a daunting task. In this review, I will be comparing two of the most popular generator brands: Generac and Kohler. I will discuss the history and background of each company, the features and specifications of their products, and their pros and cons.

Generac and Kohler: Company Overview

Generac was founded in 1959 in Wisconsin and has since become a leading manufacturer of generator systems. Their whole house generators are available in a range of power options, and they pride themselves on being a reliable choice for homeowners. Kohler, on the other hand, has been in the generator business since 1920 and produces both commercial and residential generators. Kohler generators boast an impressive range of features, including advanced noise reduction technology and remote monitoring capabilities.

Generac vs Kohler: Head to Head Comparison

When comparing Generac and Kohler, there are several key factors to consider. These include:

Generator power output: Generac offers a range of power options to suit different homes, with some models capable of producing up to 48 kW. Kohler, on the other hand, offers a slightly lower maximum power output of 38 kW.

Noise levels and sound-deadening technology: Both Generac and Kohler have implemented noise-reducing features in their generator designs. Kohler’s models come equipped with quiet exhaust systems, while Generac uses advanced sound-deadening technology to reduce noise levels.

Fuel efficiency: While both Generac and Kohler generators are fuel-efficient, Generac’s models are known for their solid fuel economy, which helps keep operating costs low over time.

Durability and reliability: Both Generac and Kohler pride themselves on producing durable and reliable generators. Generac uses high-quality materials and rigorous testing processes to ensure their generators can withstand harsh conditions, while Kohler’s models feature corrosion-resistant enclosures and other durable components.

Control panels and technology: Generac uses a proprietary digital controller that allows for advanced monitoring and control of the generator. Kohler, on the other hand, has implemented remote monitoring capabilities, allowing homeowners to monitor the generator from their mobile devices.

Warranty offers: Generac and Kohler both offer impressive warranties for their generators. Generac’s warranties range from 3 to 5 years, depending on the model, while Kohler offers a 5-year warranty on their generators.

Additional Features and Options

In addition to their core features, both Generac and Kohler offer a range of optional features and accessories that can further enhance the functionality of their generators. Some of these options include:

remote monitoring capabilities

transfer switches

auto start and stop features

fuel source compatibility (natural gas or propane)

mobile app controls

Pros and Cons of Generac and Kohler Whole House Generators

While both Generac and Kohler offer reliable, high-quality generators, there are pros and cons to consider for each brand.

Generac’s strengths include its solid fuel economy and advanced control panel technology. However, some customers have reported issues with the noise levels of their generators.

Kohler’s strengths include its advanced noise reduction technology and remote monitoring capabilities. However, Kohler generators are generally more expensive than Generac’s models.

Customer Reviews, Ratings and Feedback

Customer reviews and ratings on both Generac and Kohler generators are overwhelmingly positive. Customers have reported that both brands offer reliable, high-quality products that are capable of providing consistent power during outages. While there are occasional issues reported, such as noise levels, the vast majority of customers are satisfied with their purchases.


When it comes to choosing between Generac and Kohler whole house generators, there is no one-size-fits-all answer. Both companies offer reliable, high-quality products that are capable of providing consistent power to your home during outages. However, depending on your specific needs and budget, one brand may be a better choice than the other. Ultimately, it is important to conduct thorough research and consider all factors before making a final decision.

List of 10 whole house generator generac vs kohler

SaleBestseller No. 1
Generac 6485 Scheduled Maintenance Kit for 20kW and 22kW Standby Generators with 999cc Engine , Black
  • Scheduled maintenance kit is for standby home generators
  • For use with the 20kW and 22kW air cooled standby generators from 2013 or later (999cc engine)
  • Maintenance is recommended every 200-hours or 2-years
  • Includes a pre-cleaner, air filter, oil filter, oil funnel, (2) spark plugs, blue cloth, instruction manual and maintenance sticker
  • Oil must be purchased separately
SaleBestseller No. 2
Jackery Explorer 1000 Portable Power Station, 1002Wh Capacity with 3x1000W AC Outlets, Solar Generator (Solar Panel Not Included) for Home Backup, Emergency, Outdoor Camping
  • Clean and Unlimited Solar Energy: 100% green energy with smart MPPT controller for optimal charging efficiency. The power station can be fully charged with 2 Jackery SolarSaga 100W solar panels (Should be bought separately) within 6 hrs or only 5.5 hrs via AC wall outlet charging. Ideal for your camping or family emergency storage.
  • Easy to Use: The ergonomic shape of the handle grants an ease grip. And use in one touch with simple and speedy setup within 60s to enjoy outstanding charging efficiency.
  • Safe & Reliable for Outdoor Camping: Features industry-leading cylindrical batteries (popular with manufacturers of Electric Vehicles) that meet UL safety standards. Certified with Impact-Resistance Class 9, passing the UL drop test (withstanding 3 drops from 0.9m height on any surface). The pure sine wave inverter delivers constant voltage that protects equipment from damage.
  • Power Pretty Much Anything: Power 90% home appliances with 1002Wh (1000W AC output power) and 8 outlets (3*AC outlet, 1*USB-A , 1*USB-A quick charge 3.0, 2*USB-C PD, 1*Car outlet). Ideal for outdoor off-grid activities and home backup power to power refrigerator, TV, mini cooler, electric grill, fan, and more for your outdoor and home needs.
  • Quiet & Strong: At a such large capacity, this Explorer will leave you with VERY LITTLE to NO noise, giving you the peace and power all at once. Extra bonus for the built - unlike most other portable generators, this supports pass-through charging while its battery life is protected.
Bestseller No. 3
DuroMax XP13000EH Dual Fuel Portable Generator 13000 Watt Gas or Propane Powered Electric Start-Home Back Up, Blue/Gray
  • POWERFUL DUROMAX ENGINE: The XP13000EH is powered by a 500cc OHV Duromax Engine. Engine Speed-3600 RPM. Wheel Diameter-10-Inches .With Gasoline : Peak Wattage - 13,000., Running Wattage - 10,500., Running Amperage at 120V - 87.5., Running Amperage at 240V - 43.75., Runtime at 25% Load - 17., Runtime at 50% Load - 8With Propane : Peak Wattage - 12,350., Running Wattage - 9,975., Running Amperage at 120V - 83.13., Running Amperage at 240V - 41.56., Runtime at 25% Load - 13., Runtime at 50% Load - 6Please read the detailed safety instructions in the manual before operating.
  • DUAL FUEL TECHNOLOGY: The ability to run on Propane or Gasoline allows the Freedom and Flexibility of Fuel Choice.
  • PLENTY OF POWER: With 13,000 starting watts and 10,500 watts, this unit can handle heavy loads from lights, refrigerators, home conditioners and high amperage power tools.
  • MAXIMUM POWER: The power panel includes a wide selection of outlets for maximum compatibility in your applications including: 1 120/240V 50A heavy duty outlet, 1 120/240V 30A twist lock outlet, 1 120V 30A twist lock outlet, and 2 120V 20A household outlets.
  • POWERING EVERYONE ANYWHERE: Like all DuroMax generators, the XP13000EH is EPA and CARB approved for use in all 50 states.
SaleBestseller No. 4
E3 Spark Plugs E3.20 Lawn and Garden Spark Plug, Pack of 1
  • FOR OPTIMAL PERFORMANCE: Spark plug that fits a variety of 4-cycle engines, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
  • PATENTED TECHNOLOGY: DiamondFIRE features a unique design with an edge-to-edge spark path, which allows replenishment of the spark zone with a fresh fuel/air charge
  • INCREASED DURABILITY: Near elimination of performance inhibiting carbon deposits, which dramatically extends the life of the spark plug
  • REPLACES: Champion RC12YC, RC14YC; NGK BCP4ES-11, BKR4E, BKR4E-11, BKR5E, BKR5E-11, BKRES, BKR6EKB-11, FR4, FR5
  • Compatible with vehicle type: lawn and garden applications
Bestseller No. 5
DuroMax XP13000HX Dual Fuel Portable Generator-13000 Watt Gas or Propane Powered Electric Start w/CO Alert, 50 State Approved, Blue
  • All-new control center with a digital multimeter, push-button start, and a front-facing fuel interface allowing you to change your fuel type in seconds! The digital multimeter displays voltage, frequency, total hours run, and hours until the recommended maintenance
  • This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice
  • Equipped with DuroMax “CO Alert Technology” that will automatically shut down the generator if an unsafe level of carbon monoxide is detected
  • Built using a powerful 500cc OHV DuroMax engine and features ALL COPPER WINDINGS designed to make your generator last for years
  • The fully loaded power panel includes four 120V GFCI household outlets, one 120V 30AMP outlet, one 120/240V 30AMP twist-lock outlet, and a heavy-duty 120/240V 50AMP outlet making it transfer switch ready!
SaleBestseller No. 6
Westinghouse Outdoor Power Equipment 9500 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A Outlet, Gas Powered, CARB Compliant
  • 7500 Running Watts and 9500 Peak Watts; Remote Start With Included Key Fob, Electric and Recoil Start; Up to 11 Hours of Run Time on a 6.6 Gallon Fuel Tank With Fuel Gauge. Grounding System-Bonded Neutral
  • Features Two GFCI (Ground Fault Circuit Interrupter) 5-20R 120V Household Duplex Receptacle and One L14-30R 120/240V Twist-Lock Receptacle; All Outlets Have Rubber Covers for Added Safety
  • Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User's Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
  • Powered by a 420cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter
  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA and CARB Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network
Bestseller No. 7
EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, Fast Charging, Solar Generator(Solar Panel Optional) for Home Backup Power, Camping & RVs
  • 7 X Faster Charging. 0-80% in just 50 mins and 0-100% in 80 mins with AC input. That's ideal when you need home backup power and a quick charge using your wall outlet.
  • Expandable Capacity from 1-3kWh. With the standalone portable power station sporting 1kWh, you can add on extra batteries to reach up to 3kWh. Ideal for camping, RVs or off-grid living.and a quick charge using your wall outlet.
  • Power Almost Anything. Portable batteries have come a long way. Power all your appliances with 1800W output, that's on par with outdoor generators without the fumes or noise. With 15 outlets and its huge output, you can power 90% of your appliances.
  • Clean, Green Charging. With up to 500W of solar panel input, DELTA 2 is a solar generator that can be charged while camping, on an RV trip or off-grid.
  • Built to Last 6x Longer. Its LFP(LiFePO4) battery chemistry makes for a portable power station with a 3000+ cycle life. Enough for years on end of use. With a sophisticated BMS, you can go easy knowing its auto-regulating to keep you safe.
Bestseller No. 8
WEN 56380i Super Quiet 3800-Watt RV-Ready Portable Inverter Generator with Fuel Shut-Off and Electric Start
  • Dimensions: 23.2" L x 18" W x 20.1" H | Weight: 99.2 lb.Dimensions: 23.2" L x 18" W x 20.1" H | Weight: 99.2 lb
  • Extremely quiet operation minimizes noise;, EPA III and CARB Compliant
  • 212cc 4-stroke OHV engine produces 3800 surge watts and 3400 rated watts with a half-load runtime of up to 8.5 hours
  • Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
  • Produces clean power to prevent damage to sensitive electronics such as smart phones, tablets and laptops
Bestseller No. 9
Generac 6484 Scheduled Maintenance Kit for Home Standby Generators with 12-18 kW 760cc-990cc Engines
  • Scheduled maintenance kit is for standby home generators
  • Kit for 12-18-Kilowatt 760cc - 990cc Engines
  • Maintenance is recommended every 200-hours or 2-years
  • Includes a pre-cleaner, air filter, oil filter, oil funnel, (2) spark plugs, chamois, instruction manual and preventative maintenance reminder sticker
  • Oil must be purchased separately
SaleBestseller No. 10
Generac 8250 GP2500i 2,500-Watt Gas-Powered Portable Generator, CARB Compliant
  • 50 State Configuration/CSA
  • Compact and Lightweight
  • Makes transportation easy with built-in handle
  • Automatically adjusts engine speeds to save fuel and reduce sound emissions
  • Alert you when unit is low on oil, overloaded or ready-to-use

People also ask

What is the difference between Generac and Kohler whole house generators?

The main difference between Generac and Kohler whole house generators is their respective design and engineering. Generac generators are known for their affordability and ease of installation, while Kohler generators are known for their high-end performance and reliability.

What is the maximum power output for a Generac whole house generator?

The maximum power output for a Generac whole house generator is typically between 22,000 and 48,000 watts, depending on the model and size of the generator. This is enough energy to power an entire home, including appliances and HVAC systems.

How much does a Kohler whole house generator cost?

Prices for Kohler whole house generators vary depending on the size and model of the generator. On average, Kohler generators cost between $3,000 and $8,000, not including installation labor costs. However, larger, more powerful generators may cost upwards of $15,000 or more, including installation.

Are whole house generators loud?

While whole house generators do produce some noise when running, both Generac and Kohler generators are designed with noise-reducing technology to minimize sound output. Some models even have sound-dampening enclosures to further reduce noise levels. However, they will always make some noise since it is a machine with the moving parts

How long do whole house generators last?

The lifespan of a whole house generator depends on various factors, including the model, maintenance, and usage. Generally, a well-maintained generator can last between 10 and 20 years or more. Both Generac and Kohler offer warranties on their generators, which may cover repairs or replacements for a set period after the date of purchase.

What kind of fuel do whole house generators use?

Whole house generators typically use propane or natural gas as their primary fuel source. Some models may also have the option to run on diesel fuel, depending on the specific model and features of the generator. It is important to note that propane and natural gas generators require a steady supply of fuel, so homeowners should ensure they have access to a reliable fuel source.