Model#: GRCN7034

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Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 120 day money back guarantee
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New items with possible minor cosmetic damage; CPO 120 day money back guarantee
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

Generac 7034 15kW Air-Cooled EcoGen Synergy Standby Generator

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  • Generac 7034 15kW Air-Cooled EcoGen Synergy Standby Generator
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(continental U.S.)

Freight Orders

Freight deliveries require a delivery time be scheduled and someone must be present at the time of delivery to inspect and sign for the merchandise. A representative from the freight carrier will call the phone number entered at checkout to schedule the delivery.

Liftgate Service

For freight deliveries, you have the option of adding a liftgate to your delivery. A liftgate is the device that lowers a product from the truck to ground level.

CPO recommends adding liftgate service for freight deliveries exceeding 100 lbs if you do not have a loading dock or fork lift at the delivery address. Additional charges may apply. The liftgate option will be presented during the checkout process.

Please note that liftgate service only ensures the product is removed from the truck. We recommend you have the additional help of two to four people to move the product to its desired location because drivers are not required to assist.

Requesting liftgate service after ordering may result in additional charges and delays.

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Product Overview

Additional Information


Whether the off-grid lifestyle is a choice or a necessity, you are responsible for producing the energy you consume even when there's no sun or wind Ensure you never have dead batteries. With the Generac EcoGen the only automatic standby generator designed and warrantied specifically for off-grid use with an alternative energy system.
  • Whether the off-grid lifestyle is a choice or a necessity, you are responsible for producing the energy you consume even when there's no sun or wind Ensure you never have dead batteries with the Generac EcoGen the only automatic standby generator designed and warrantied specifically for off-grid use with an alternative energy system
  • G-Flex Technology- Unlike competitive units that run at a constant speed, patented G-Flex technology allows the Generac Synergy to run at lower speeds when household electrical demand is light That means significantly quieter operation at normal capacity, less fuel consumption when you need less electricity, and cleaner power than competitive air-cooled home standby generators
  • Innovative oil circulation system extends the maintenance intervals by an unprecedented 5 times the industry standard by offering 500 hour maintenance intervals
  • 3 Year 2000 Hour Limited Warranty
  • Generac generators are engineered in the USA and built in the USA using domestic and foreign parts
  • 15kW Air-Cooled EcoGen Synergy Standby Generator - 7034
Compliance and Restrictions
warning: --


Decibel Rating: 63 dB
Displacement: 999cc
Enclosure Type: Aluminum
Engine Type: OHVI Engine
Rated Watts (LP Vapor): 15,000W
Rated Watts (Natural Gas): 15,000W



4.4 / 5.0
7 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Has worked Great for 3 Years!
We are off grid with a 15 KW solar power system. I purchased this 15 KW echogen 3 years ago. it now has almost 1000 hours on it and is still running strong at a 6200 foot elevation.

I am now looking at a second as a backup.

Great product.
October 2, 2017
Originally posted at
Nice Ecogen
Very happy with the new ecogen, but it was only installed yesterday so who knows how it will actually perform. Sound spec was spot on at 63dB from 20'. Documentation is inconsistent. Advertisement says ecogen has weekly test run cycle, but tech support says this model does not. Need to clean that up for a 5 star rating.
September 21, 2017
Originally posted at
Is a must for the country homeowner.
Install and except for maintenance you can forget it's there. Backs up the house 100%. Never without power winter, spring, summer or fall. Can't think of anything more valuable to us as we have moved from suburb living to off the grid. The installers were second to none and did an outstanding job both with install and explanation. Recommend to anyone!!
August 17, 2017
Originally posted at
well made unit
Received the unit and it was just installed. As I'm off grid it will be nice in the winter and stormy days. I don't know how it will perform yet as this time of year we have plenty of sun. It seems to be a well made unit and has many desirable features. Will post another review this winter when it has a chance to perform.
August 9, 2017
Originally posted at
well made unit
I live off grid and just got my Ecogen. It's too soon to know how well it works as it will not get much use until winter when we have sketchy sun. It seems to be a well made unit and has many features that make it desirable. I will send a review in the near future when it gets some use behind it.
August 8, 2017
Originally posted at
Outstanding design and operation.
Just purchased and installed May 15th. My run time each day is about 5 to 7 hours. My main source of power as we live off the grid. The Unit was designed just for my purpose and specific needs, it's great to date. Looncall43
June 2, 2017
Originally posted at
Reliable, Quite
This generator charges our off-grid solar batteries. We are not conservative so it runs every day and does it very reliably. Easy to change oil and most maintenance parts. Wish there were more specific instructions for the on generator control panel.
June 1, 2017
Originally posted at

Questions & Answers

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Browse 2 questions Browse 2 questions and 1 answer
what is the fuel type ?
A shopper on Oct 14, 2016
BEST ANSWER: The 7034 generator can be used with Liquid propane or natural gas.
Does this unit come with an alternator or other type of battery charger ?
Chuck on Dec 21, 2016



For a period of two years from the date of the original sale Generac Power Systems, Inc (Generac) warrants that its standby generator will be free from defects in material and workmanship for the items and period set forth below. Generac Power Systems, Inc, will, at its option, repair or replace and part(s) with, upon examination, inspections and testing by Generac Power Systems, Inc. or an Authorized/Certified Generac Dealer is found to be defective. Any equipment that the purchaser/owner claims to be defective must be examined by the nearest Authorized/Certified Generac Dealer. This warranty applied only to Generac emergency automatic standby generators used in "Standby" applications as Generac Power Systems, Inc has defined Standby. Scheduled Maintenance, as outlined by the generator owner's manual, is highly recommended. This Scheduled Maintenance should be performed by an Authorized/Certified Generac Dealer. This will verify service as been performed on this unit throughout the warranty period.

**This warranty applied to units installed in the US and Canada. Contact the Warranty Department for specific information on installations in International Markets.**




  • Warranty begins upon the successful registration of the unit.
  • Proof of Purchase and Maintenance must be available.
  • Warranty only applied to permanently wired and mounted units.
  • Warranty is transferable between ownership of original installation site.
  • any warranty repairs and/or concerns, must be performed and/or addressed by an Authorized/Certified Generac Power Systems Service Dealer, or branch thereof. Repairs or diagnostics performed by individuals other than Generac authorized dealer not authorized in writing by Generac Power Systems will not be covered.
  • A Generac Power Systems, Inc Transfer Switch is to be used in conjunction with the generator set. If a Non-Generac Transfer Switch is substituted for use and directly causes damage to the generator set, no warranty coverage shall apply.
  • All warranty expense allowances are subject to the conditioned defined in Generac's General Service Policy Manual.
  • Covered warranty labor rates are based on normal operating hours. Overtime, holiday, or emergency labor costs for repairs outside of normal business hours will be the responsibility of the customer.


  • Any unit built/manufactured prior to July 1, 2010.
  • Generac generators that utilize non-Generac replacement parts.
  • Cost of normal maintenance (i.e. tune-ups, associated part(s), adjustments, loose/leaking clamps, installation, and start-up.
  • Units sold, rated or used for "Prime Power", "Trailer Mounted", or "Rental Unit" applications as Generac Power Systems has defined Prime Power, Trailer Mounted or Rental Unit. Contact a Generac Power Systems Distributor for Prime Power, Trailer Mounted, or Rental Unit definitions.
  • Units used for prime power in place of existing utility power (where utility power is present) or in place of utility power where utility power service does not normally exist.
  • Damage to generator system (including transfer switch) caused by improper installation or costs necessary to correct installation.
  • Fuel connections other than conventional utility company supplied natural gas systems or conventional LP vapor withdrawal systems.
  • Any failure caused by contaminated fuels, oils, coolants/antifreeze or lack of proper fuels, oils, or coolants/antifreeze.
  • Failures due, but not limited, to normal ware and tear, accident, misuse, abuse, negligence, misapplication, or improper installation.
  • As with all mechanical devices, the Generac engines need periodic part(s) service and replacement to perform as designed. This warranty will not cover repair when normal use has exhausted the life of a part(s) or engine.
  • Products hat are modified or altered in a manner not authorized by Generac in writing.
  • Damage related to rodent and/or insect infestation.
  • Failures caused by any external cause or act of God, such as collision, theft, vandalism, riot, or wars, nuclear holocaust, fire, freezing, lighting, earthquake, windstorm, hail, volcanic eruption, water or flood, tornado or hurricane.
  • Any incidental, consequential or direct damaged caused by defects in materials or workmanship, or any delay in repair or replacement of the defective part(s).
  • Overnight freight or special shipping costs for replacement part(s).
  • Telephone, cell phone, facsimile, internet access or other communication expenses.
  • Living or travel expenses of person(s) performing service, except as specifically included within the terms of a specific unit of warranty period.
  • Rental equipment used while warranty repairs are being performed and/or overnight freight costs for replacement part(s).
  • Expenses related to "customer instruction" or troubleshooting where no manufacturing defect is found.
  • Costs incurred for equipment used for removal and/or reinstallation of generator (i.e cranes, hoists, lifts, etc).
  • Planes, ferried, railroad, buses, helicopters, snowmobiles, snow-cats, off-road vehicles or any other mode of transportation deemed abnormal.
  • Starting batteries, fuses, light bulbs, and engine fluids.

THIS WARRANTY IS IN PLACE OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED. SPECIFICALLY, GENERAC MAKES NO OTHER WARRANTIES AS TO THE MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Any implied warranties which are allowed by law, shall be limited in duration to the terms of the express warranty provided herein. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. GENERACS ONLY LIABILITY SHALL BE THE REPAIR OR REPLACEMENT OF PART(S) AS STATED ABOVE. IN NO EVENT SHALL GENERAC BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF SUCH DAMAGES ARE A DIRECT RESULT OF GENERAC'S NEGLIGENCE. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation does not apply to you. This warranty gives you specific legal rights. You also have other rights from state to state.