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Kohler 14RESA - 14KW Composite Home Standby Generator for sale.

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Kohler 14KW Composite Home Standby Generator

Kohler Power Equipment and Accessories
Model: 14RESA
(Based on expert analysis, manufacturer ratings and customer reviews)
4.2 out of 54.2 out of 54.2 out of 54.2 out of 54.2 out of 5
10 Reviews
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Currently on Backorder Backordered
Estimated Availability
December 29, 2017
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Free Freight$3,330.00
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Free Freight$3,330.00
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  • Features
  • Specs
  • 7
  • 10
  • Articles
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  • Accessories
Run Watts
Rated Watts
120/240 Single-Phase
Kohler Command PRO® OHV Engine
Meets emission regulations for U.S. EPA & California
Powerful and reliable engine with hydraulic valve lifters

Powerful Performance w/ PowerBoost™ Technology
Greater motor-starting ability for large electrical loads

Premium Power Quality (+/-1% Voltage Regulation _
Protects sophisticated electronics with low distortion (<5%THD)

Fast Response
Kohler™ generators restore power in as little as 10 seconds

New Silencer Reduces Sound Levels & Provides Quiet Operation
Maintains neighborhood solitude - approx 67 dB(A) at 7 m (23 ft)

New RDC2 Controller
Glare-resistant, 2-line 16-character display - No More Codes
Easily view ATS status via LED lights on controller

Optional OnCue Remote Monitoring System (Sold Separately)
Built-in Ethernet card, no hardware needed for OnCue

Exclusive 100% Corrosion-Proof Composite Enclosure
Will not rust - even in harsh seaside environments

Premium Warranty - 5-year/2,000-hour limited warranty

Transfer Switch (Sold Separately) & Group 51 Bat. (Not Included)
Engine Brand
725 CC
Consumer Engine Warranty
5 Years
Commercial Engine Warranty
5 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Product Specs
120/240 Single-Phase
60 Hertz
Surge Watts
14000 Watts
Rated Watts
14000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
12000 Watts
LP Power Capacity
14000 Watts
NG Fuel Consumption @ 50% Load
124 (BTU: 124,000 BTU/HR) ft³/hr
NG Fuel Consumption @ 100% Load
193 (BTU: 193,000 BTU/HR) ft³/hr
LP Fuel Consumption @ 50% Load
1.8 (BTU: 163,350 BTU/HR) gallons/hr
LP Fuel Consumption @ 100% Load
2.4 (BTU: 217,800 BTU/HR) gallons/hr
Rated Amps
58 @ 240 Volts (Single Phase) Amps
Decibel Rating @ 7m
63 Test (67 Run) dbA
Transfer Switch
Automatic (Not Included)
Not Included (500 CCA)
A/C Ton Rating
Mounting Pad
Composite (Included)
Cooling System
Air Cooled
UL Listed
Grade Type
Made in USA
410 Pounds
Product Style
Standby Generator
Product Length
48 Inches
Product Width
26.2 Inches
Product Height
29 Inches
Consumer Warranty
5 Years
Commercial Warranty
5 Years
Need Help? Ask Our Experts.
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*Ask Mike about the Kohler 14RESA. Sorry, no repair questions:




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  7 Questions
Q: I have a 9165 watt solar system which reverse meters to the grid. If the power is off, I have no power. Will one of the natural gas backup generators work with my system, or does the solar add complications?

by Erik Johnson from Colorado on December 16, 2013

A: Having multiple power sources can make things very complicated. However, we do offer two models of generators which can be turned on and off by your solar systems inverter system.

Generac's EcoGen model 5818 is specifically designed for use with alternative power options such as solar and wind and comes with a 3 year warranty......

Generac EcoGen Model 5818

Kohler offers their 14kW home standby generator capable for use with solar systems but they only offer an 18 month warranty as they are not specifically designed for this type of application. The generators internal controller can be adjusted to accept a 2 wire start from your inverter system.

Kohler 14kW Model 14RESA

We do recommend consulting with a local installer as your application can have some special parameters and installation requirements. They will also be familiar with your local code requirements so installation is done properly.

by Mike, Product Expert
Q: What size gas supply pipe is needed from tank to generator?
by Richard Evans from Pennsylvania on July 20, 2013

A: Fuel pipe size is based on the distance from the fuel source and for the Kohler models the recommended pipe size and max distances are listed in the installation guide and in the Kohler spec sheet....

Kohler Spec Sheet

by Mike, Product Expert
Q: Will the Kohler 14kw propane, work with my Nexus 200 amp smart switch?
by Rick from Virginia on December 30, 2012

A: No, you can only use a Kohler switch with a Kohler generator. If you want the same load shed capabilities you will need to purchase the Kohler Load Control Module along with the transfer switch.

If you currently have a 200A Generac Nexus switch you can only go with a Generac generator due to the wiring and how they are controlled.

by Mike, Product Expert
Q: How does the warranty work? Does it have to be installed by a Kohler certified dealer for the warranty work?
by Franz Gerster from New York on December 13, 2012

A: Kohler does not require a Kohler certified installer only a minimum would be a certified electrician.

When a Kohler installer does the installation and start-up the warranty starts the day he starts the unit.

When a certified electrician installs and starts the unit the warranty starts the day the unit was shipped from the factory.

All service and warranty work must be completed by an authorized Kohler service technician.

by Mike, Product Expert
Q: What would the fuel consumption be for the 14kW? Assuming a 200 gal LP tank, circuit load: 1 refrigerator, 1 microwave 1300 watts, and 4 small lighting circuits.

by Bill Borresen from Georgia on September 27, 2012

A: The posted fuel consumption of the 14kW Kohler home standby generator is:

1.8 Gallons/Hr when running at 50% load....2.3 Gallons/Hr at Full Load

The fuel consumption will vary depending on the actual load on the generator and you will need to have a certified electrician calculate your loads based on the starting amperage of the equipment you are intending on running.

Note: Tank size does not determine the fuel consumption of the generator, only the load on the generator.

by Mike, Product Expert
Q: Most of our outages are in summer with a 3-ton AC running. Would this unit handle that plus a fridge & freezer, etc?

by Max Tappen from Ohio on July 01, 2012

A: It would be close when you are adding items to the mix. I would recommend getting the Kohler load manager so it can load shed the AC when it first starts while letting everything else start and get past its starting loads.

With this model generator you will need to get a transfer switch and if you are looking to do whole house the following switch would be recommended if you have 200A electrical service which you would need to verify with your installing electrician.

Kohler RXT 200A SE Rated Switch

Kohler Load Control Module

by Mike, Product Expert
Q: Hi Jim,
What is the difference between the 20resl and 20resal?
I don't see the composite pad on this unit 20resal?

by Steve from New Jersey on February 21, 2012

A: The new "A" version has the following features added:
** New Controller - RDC2/DC2
- New display readable in direct sunlight, 2 lines, 16 characters per line, no more codes.
- Built-In 2.5A battery charger using 120 VAC allowing deletion of the separate 6A battery charger
- Includes Ethernet Board, so no hardware required to be installed for OnCue
- RDC2 has built-in LED's on controller overlay to view status of RXT transfer switch and source availability while standing at the genset
- Real Time Clock - Allows setting of Exercise for any time and day you want
- Internal protection, no controller fuses to service
- Controller is fully potted for protection against snow and moisture

** New Silencer design to reduce sound levels
- 14RESA sound level during exercise is 63 dBA, and 67 dBA during normal operation
- 20RESA sound level during exercise is 64 dBA, and 69 dBA during normal operation

The composite pad is the same color as the entire unit and already attached to the bottom of the generator.
by Mike, Product Expert
Kohler 14RESA Reviews & Ratings
Overall Rating
4.2 out of 54.2 out of 54.2 out of 54.2 out of 54.2 out of 5
Quiet (2)
Reliable (1)
High Quality (1)
Price (1)
I'd Buy It Again (1)
The Instructions Were Ve... (1)
Bad Instructions (1)
Rust (1)
Low Quality (1)
67% of respondents would recommend this product to a friend
10 Reviews  Sort by 
Kevin C.
Huntington, MA
Purchased from Power Equipment Direct
Purchased 4/4/17
Most Helpful Positive Review
5 out of 55 out of 55 out of 55 out of 55 out of 5
Really Great Generator
I live off grid and was looking for a generator that would charge my solar set-up and could start/stop remotely. This generator has it all. Hydraulic lifters (no periodic valve adjustments) Built in battery charger eliminates the need for a separate maintainer, very accessible service points for checking/changing oil and plugs. The quietest generator I've owned. Would definitely recommend this over an off grid set-up that cost hundreds more. The only drawback is the reduced warranty for... more
Pros: Durable, Features, Quiet, I'd Buy It Again
Kevin Recommends This Kohler Product
Was this review helpful?
Chris Jacob
Sagle, ID
Most Helpful Critical Review
1 out of 51 out of 51 out of 51 out of 51 out of 5
Rust Bucket!! Pictures Say It All
Purchased new from Wholesale Solar and they thought the rust was an issue. The Kohler rep also thought it was an issue. Wholesale Solar contacted Kohler and they thought it was perfectly acceptable to have the inside of their generator riddled with RUST. Totally unacceptable!! Still hoping Kohler addresses the problem appropriately.
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Cons: Low Quality, Rust
Chris Does Not Recommend This Product
Manufacturer Response
Brand Rep
Please contact Kohler Customer Service at 800-544-2444 or Generator Customer Communications to address the situation.

We're sorry that you're experiencing this unusual situation.
Was this review helpful?
Pittsburgh, PA
Total Helpful Votes
49 Helpful Votes
5 out of 55 out of 55 out of 55 out of 55 out of 5
Nice Unit
I installed one of these units for a customer. They ordered the generator, separate xfer switch and battery warmer blanket. I ran the electric lines and gas line for the unit. I ran 3 conduits from the transfer switch to the generator. 1 is for the main power output of the generator back to the transfer switch, 1 is for the communication wiring between the xfer switch and generator, and one is for a 20 amp 120 volt power line to supply the battery charger and battery warming blanket.

I... more
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Donald J.
Metairie, LA
Total Helpful Votes
58 Helpful Votes
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great, Quality Product!
I've lived in southeast Louisiana for most of my 63 years, where tropical weather systems tend to go at times, so I'm very versed in home automatic stand-by generators, having used them in three different homes over the past 7 years.

My first stand-by generator was literally installed the week prior to Katrina hitting the New Orleans area in August 2005. My plumber didn't show up to make the natural gas connection, consequently we weren't able to use the generator during Katrina. I was... more
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Purchased from Power Equipment Direct
Purchased 5/26/12
Total Reviews
3 Reviews
Total Helpful Votes
39 Helpful Votes
5 out of 55 out of 55 out of 55 out of 55 out of 5
Five Stars!
1. Best Pricing from Electric Generators Direct
2. Trucking delivery (free) to remote Maine location was excellent!
3. Installation was done by local Master Elecrtician.
3. OnCue remote readout option was the very reason for purchasing the 14RESA Kohler. This software is superb, and a must have!
4. My wife and I are surprised by the quiet performance. Less noisy than a high quality portable Honda that we replaced.
5. There is one apparent mistake in the installation manual and hole... more
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Luisa S.
Westerly, RI
Total Helpful Votes
20 Helpful Votes
5 out of 55 out of 55 out of 55 out of 55 out of 5
Responded Beautifully
I had this model of generator installed after Hurricane Irene. I used one of the agents recommended on the Kohler website who was somewhat pricey, but I wanted make sure I would have somebody to call on if there were any glitches. He installed the latest version of this.

There were several problems with the self-test software and he needed to return several times to put in software patches (apparently a number of units of this latest model were sent out with defective software). This... more
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Margaret J.
Kenton, MI
Purchased from Power Equipment Direct
Purchased 8/4/14
Total Helpful Votes
22 Helpful Votes
1 out of 51 out of 51 out of 51 out of 51 out of 5
Brand new generator and will not run. It runs for a few seconds and shuts down telling me there is a locked rotor. Brand new I thought it would run for at least five minutes. The worst part now I can't get help. You have our money and now you have shut down your tech line which was why I bought from you.
Margaret Does Not Recommend This Product
Mike, the Generator Expert
Product Expert
Sorry to hear that you are having issues with the generator. I can tell you that the number one issue with standby generators are fuel related. Many times the gas line is too small or the pressure is not where it should be. I would recommend using the following link to find a local Kohler service center who will be able to look at the unit and get it repaired.

Kohler Service Center Locator
Was this review helpful?
Laurie S.
Reno, NV
Total Helpful Votes
19 Helpful Votes
5 out of 55 out of 55 out of 55 out of 55 out of 5
Bought This For Our Off Grid Home Standby Power To Our Solar
We were very excited about this propane generator with auto start. Super excited about the 5 yr warranty. Electric Generator Direct was a wonderful way to go. Delivery was exceptional. Loved our truck driver. Unfortunately I'm not happy that our 5 yr warranty is no good for us. The fine print AFTER purchase says that it is only 18 mos if you are not connected to a reliable source of power. Fine print we didn't see until after the rep came out to check our hook up work. He's going to cost us... more
Pros: Quiet, Price, Reliable, High Quality
Cons: Bad Instructions, The Instructions Were Very Vague Had To Call A Rep To Clear Up
Laurie Recommends This Kohler Product
Laurie Would Recommend Power Equipment Direct To A Friend
Web Site


"my delivery truck driver was super amazing. He showed up exactly the same time as my propane guy. My husband was out of town and so it was going to just be me and the 400+# generator. All together we wriggled and made it all work to where the generator was placed exactly where it needed to be. Wanted to tip the driver but he was gone in a snap. Very good service from both the driver and my propane guy at Comstock Propane"
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John L.
Reno, NV
Total Reviews
2 Reviews
Total Helpful Votes
12 Helpful Votes
5 out of 55 out of 55 out of 55 out of 55 out of 5
Kohler Generator Works Every Time
My Kohler generator works very well. When the power goes out. I count to 30 and the power comes back on and the entire home has power again. It runs a test every week for 25 minutes to make sure it is operating correctly and then goes to sleep until the next outage.

It is very important to buy a generator that can handle a 5 ton air conditioning unit. Not all generators will do that when needed.

Kohler is quiet and will pick up load as required as needed.

Once the power comes... more
John Recommends This Kohler Product
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Rene B.
Killingly, CT
Purchased from Power Equipment Direct
Purchased 2/20/16
5 out of 55 out of 55 out of 55 out of 55 out of 5
Runs Like A Charm
I received the generator fully intact. After installation it works like a charm and handles the entire home including the pool.
Rene Recommends This Kohler Product
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  • Ships via Semi-Truck
  • Curb Side Delivery
  • Free to Lower 48 States
We currently CANNOT ship this product to Alaska, Hawaii or any destination outside of the United States
Lift Gate Services
  • Safely Lowers Products Off the Truck
  • Requires Special Hydraulic Lift
  • Free Lift Gate
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