Trade Information

Confirm the solar system meets the latest test standard of ASNZS 2712 2007.(not 2002)

Ensure the system is Energystar compliant for efficiency and qualifies for a $500 or $1000 Government grant.

Confirm the Company is fully accredited with The Solar Industries Association.

Ensure the heatpipe has a performance guarantee.(bad heatpipes work well at the start and then fail in only a few years).

Avoid imported cheap enamel tanks with sacrificial anodes that require maintenance and, where possible specifyNew Zealand made stainless or copper tanks for long term durability.

Go for a low maintenance system without messy glycol refilling maintenance schedules that can void warranties if not kept up.

Make sure the supplier installs the system with their own trained installers to ensure a qualified installation and future back up service is guaranteed.

Demand a roof fixing method that removes the weight from the roof cladding to avoid cladding compression and future corrosion or roof leaking issue warranties.The roofing association of New Zealand required frames to be elevated away from cladding.

Check that the brand is well known and a proven performer with a genuine product warranty.

Use a double element in larger storage cylinders with manual overide control.

Choose a smaller high performance collector and use less resource, (why use 6 panels when 1 will do the job).