Search for eco-friendly products and services throughout New Zealand.

Keyword Search


Get 3 quotes for any eco-friendly building or renovating service/product here
Home > Directory > iSmart Water Heating Controller

iSmart Water Heating Controller

Phone number


Physical address


Postal address

PO Box 13341
Onehunga 1643


It is not everyday that an energy efficiency product comes along with the potential to make a truly significant difference. The iSmart Hot Water Heating Controller is one such energy saving product. Every hot water cylinder today is wasting energy and costing householders real money because the control systems they utilise have not been upgraded in eighty years.

A hot water cylinder heats at the same constant temperature continuously irrespective of the hot water needs of the household, 24hours a day, 7 days a week, 52 weeks of the year, every minute of every hour.

With a qualified electrician the iSmart Controller™ can be retrofitted to any cylinder so there is no need to replace your cylinder.

Our in-home smart touch pad or smart dial controller can be connected to an existing cylinder. It gives you control over your hot water usage, making the way you control your hot water more efficient. Most importantly it saves you money on your power bills for years to come.

•You can programme what times you use the hot water most
•Calculates if there is enough hot water and only heats up when required.
•Easy to use LCD display touch screen
•Boost Mode Function for when those unexpected guests turn up
•Holiday mode – your hot water can be safely turned off while you are away.
•Legionella Protection - once a week automatically gets up to 60deg's to kill any legionella bacteria
•7 Days Data
•5 year warranty

YES – it is designed and manufactured here in New Zealand, and provides proven BioSafe ® Technology for hot water heating in homes eliminating legionella’s disease, making it safe for you and your family. EVERY NZ HOME SHOULD HAVE ONE

The iSmart Controller™ has been sold in Australia under the Australian Government scheme for Solar power very successfully with over 40,000 homes there now enjoying lower monthly cost on their electricity bills, and all within the control of the customer.

We don’t believe you should pay the earth for hot water and with a good deal of experience in break-through technology, we’ve designed a system so that now you don’t have to! Giving you more control over how you heat your hot water. Better for you and better for the environment.

For more information visit our website at