5 Year Workmanship Warranty

This warranty applies to all customers named in the solar system installation agreement entered with Green NZ PTY LTD T/As GES Energy on the date of the complete installation.

Scope of the workmanship warranty

The workmanship warranty covers any defects that arise from the workmanship in installing your solar panels, solar inverter and solar batteries at the premises specified in the solar system installation agreement.

  • For all work except the installation of a switchboard, the workmanship warranty period is 5 years from the date of completion of the installation.
  • For work related to the installation of a switchboard, the workmanship warranty period is 1 year from the date of the installation of the switchboard.


When workmanship applies Greentech Engineering Solutions will either (at its discretion and cost)

  • Re-do or repair the installation, or
  • Replace any part with a comparable new or refurbished part so that the installation is no longer defective.

Inclusion of the workmanship warranty

We warrant that the design, assembly, and installation are all done correctly and carried out by a CEC approved solar installer in compliance with Australian consumer Law.

Greentech Engineering Solutions guarantee to rectify any defects related to installation. To repair any damage caused by our contractors during the installation process.

Exclusions of the workmanship warranty:

It does not cover the system or any of its components product warranty, including the performance of the panels or the inverter which is covered by separate manufacturer warranties and under law.


Manufacture warranties protect you against component related issues, whereas workmanship warranties protect you from labor related defects, i.e. those arising from the actual installation process, however if our assessment reveals the fault is not part of this warranty, you may be liable for the cost of the call out. 

Below are the exclusions of your Workmanship Warranty:

  • Improper use of the solar system. 
  • Failure to comply with manufacturer instructions. 
  • Work on the system (including modifying, moving or relocating any part of the system, even if temporary, performed by someone other than us or our installer.


You have not adhered to maintenance requirements set out in our website; Any act, omission, misuse, abuse, or damage (whether willful, accidental or negligent) caused by the customer or a third party.



  • Any extreme weather not for the location in which the system was installed eg. lightening, floods, hail, power surges, pest damage, corrosion, land or building movement; Interference from other devices; General wear and tear; Events outside of design range caused by the distributor or network operator; 
  • A failure to promptly notify Greentech Engineering Solutions of any defects. 
  • You need to regularly check your system is working properly; or 
  • Any works or parts which were not part of the installation Agreement; Servicing your system regularly, as recommended by the AS/NZS standards.

To make a claim, please contact us by one of the following means:


Phone: 03-88401654 Email: info@g-techengineering.com.au


Address: PO BOX 2040, MELTON SOUTH, VIC 3338 -Your name, address and contact telephone number -Outline of the nature of the workmanship defect -Evidence of the workmanship defect.

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