Grant NZ

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Globally renowned manufacturer of home heating technologies. Local business

Products include the award-winning Grant Vortex condensing diesel range of boilers and Grant Aerona³ R32 air-to-water, air source heat pumps.

23/10/2026

Every day, installers are bringing our high-quality home heating technologies to homes across the country.

Visit Waterware website to see the full range of Grant products.

21/10/2026

Have you got a question about one of our heating technologies?

Contact our merchant partner Waterware who will be able to assist you further.

19/10/2026

Building your own home? Get the heating system right from the start.

Heating is an important consideration when planning a new home. Thinking about your requirements early can help ensure your system is correctly designed and specified to suit your property and lifestyle.

Careful planning can help create a comfortable and efficient heating system for years to come.

15/10/2026

What is a condensing boiler and how does it work?

A condensing boiler is designed to make better use of the heat it produces.

Instead of allowing valuable heat to escape through the flue, it captures and reuses heat that would otherwise be lost.

Grant condensing diesel boilers use an innovative heat exchanger and turbulator baffle system to recover additional heat energy, helping the boiler operate at higher efficiency levels while delivering reliable heating and hot water for your home.

13/10/2026

How did your heating system perform this winter?

If your home took longer to heat, or your boiler required more attention than usual, now could be a good time to review your heating system.

Planning gives you time to explore your options and find the right heating solution.

Discover the Grant range of high-efficiency condensing boilers at Waterware.

11/10/2026

Why choose central heating?

Comfort throughout your home starts with the right heating system.

Central heating provides consistent warmth across multiple rooms, helping create a comfortable living environment throughout your home.

A correctly designed central heating system can provide reliable heating tailored to your needs.

Think Heating. Think Grant.

08/10/2026

Regular servicing is an important part of looking after your heating system, helping to maintain efficient and reliable operation.

With the colder months behind us, now is a good time to arrange your annual boiler service and make sure your heating system is ready for the year ahead.

06/10/2026

Designed with efficiency and performance in mind.

The Grant Vortex range combines innovative condensing technology with over four decades of expertise to provide reliable heating for the home. The Vortex range offers homeowners flexibility when selecting a boiler to suit the requirements of different properties.

29/09/2026

Grant has been delivering innovative, efficient, and cost-effective home heating solutions for over 45 years.

Our heating technologies are trusted by New Zealand homeowners.

Think Heating. Think Grant.

Discover more at Waterware.

23/09/2026

Choose Grant to provide comfort for your everyday moments

Think Heating. Think Grant.

Address

54 Stonedon Drive, East Tamaki
Auckland
2013

Telephone

+64 9 273 9191

Website

http://www.grantboilers.co.nz/

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