The Insulation Experts of Auckland & Hamilton
We are 100% Kiwi locally owned and operated home energy solutions business based in Otahuhu Auckland, covering all of the greater Auckland & Hamilton Region. We are proud to employ a team of well trained and experienced home energy assessors, qualified insulation installers, registered electricians and quality control auditors.
Making Kiwi homes warmer, drier and more energy efficient.
Homeowners
Insulating your home is one of the smartest investments you can make creating warmer, healthier homes.
Funding & Finance

There are various ways you can fund your energy solutions projects for your home.
Free Assessment

At GreenStar we will provide you free no-obligation assessment and quote for your project.
Latest News
Client Feedback
See what our clients have to say about our quality and service
Yes a great team of professional, polite and nice and tidy installers. We are very satisfied with the quality and professionalism of your team.
Very pleased with the work carried out, both installers very pleasant to deal with & carried out duties with the utmost respect to our property. Installation was prompt with no issues, clean and tidy. Excellent explanation of how systems operat
Great job done, easy company to communicate with. Excellent in every way.
They were very good, even maintaining a good sense of humor as there was a few puddles under the house with all the heavy rain. A job well done by a great bunch of guys.

Awesome Services
If quality of service is what your after then look no further

Greener Homes
Get the cost benefits from an energy efficient home

Heat Pumps
We can provide a cost effective ways to provide heat and cool for your home
Rental Properties
If you own a rental then you need to talk with us. Let us help insulate the property.

See the team behind GreenStar
GreenStar Energy Solutions are a ‘one stop shop solution’ when it comes to making Kiwi homes warmer, drier and more energy efficient. We are 100% kiwi locally owned and operated in Auckland. Collectively the Directors have been working in the home energy efficiency sector for over 40 years.
Our mission is ensuring Kiwi families are living in a warm, healthier and more energy efficient home.