Skip to main content
Welcome to Absolute Energy

Why insulate your walls?

Wall insulation is one of the most important factors when insulating your home, particularly since an estimated 30-40% of the heat in your home is lost through the walls.

Without wall insulation, air can easily escape through the walls of your home. This means any effort you put into heating or cooling your home can be quickly lost, making it difficult and expensive to maintain a comfortable inside temperature.

Sealing your home’s thermal barrier

Having a good thermal barrier around your home is key for creating a comfortable and energy-efficient environment, and wall insulation is a key component of this. But what exactly is a thermal barrier, and why is it so important?

The CosyWall Solution

High Thermal Performance. Easy to Install

CosyWall Wall Insulation Blown through external wall
CosyWall Wall Insulation Blown through internal wall

CosyWall Insulation – The Blown Insulation Solution

Absolute Energy is an authorised CosyWall Insulation installer. CosyWall Insulation is a wall insulation system designed to insulate the walls of older homes. It provides thermal and acoustical insulation to existing wall cavities and is installed without the cost and hassle of removing the internal linings.

Installation is done via small holes through the external cladding, or from inside via holes in the internal linings. The result is high installed R-values and a warm cosy home.

CosyWall Insulation has been installed in New Zealand homes since 2002. For 20 years New Zealanders have chosen CosyWall Insulation as their preferred retrofit wall insulation. Over the past two decades, the team has continually worked to develop and improve their systems and processes and has worked to develop cutting-edge technology which improves the efficiency and delivery of their product.

Learn more about CosyWall Insulation by downloading the technical information document or visiting their website wallinsulation.co.nz

Nice to meet you

Explore the benefits of wall insulation

Let’s explore how wall insulation benefits existing homes in New Zealand, making them more comfortable and energy-efficient.

Warmer, drier & healthier buildings

Wall insulation retains heat, reducing dampness and creating a healthier living environment.

Improve energy efficiency

Insulation minimises heat loss, enhancing energy efficiency by maintaining indoor temperatures with less energy.

Save money on your power bills

By reducing the need for heating and cooling, insulation lowers your energy expenses significantly.

Quieter and less noisey buildings

Insulation acts as a sound barrier, reducing external noise for a quieter, more peaceful home.

Less risk of colds & respiratory illnesses

Stable indoor temperatures from insulation help prevent colds by avoiding sudden temperature drops.

Easier to maintain constant temperature

Insulation aids in maintaining consistent indoor temperatures, making your home more comfortable year-round.

Client Testimonial

A CosyWall Story
Absolute Energy installed CosyWall Insulation into Steven and Emma’s home. Here what a difference it’s made in their lives!

What others are saying

Don’t take our word for it – Here’s what our customers are saying.

Cushla Kelly

Absolutely delighted with their prompt service and work done.

Trevor Sangster

Great team work to achieve a professional insulation install ceiling & underfloor.

Raymund Ryan

Great service, good communication and my house is a lot warmer with the new insulation.

Nicky Hewett

Friendly, professional, and great service with everything related to the job.

Lesley Lapham

Fast and efficient service. They go out of there way to help you.

Brent Goddard

Always great service and reliable communication. Would highly recommend.

Carol Pirie

I wouldn’t hesitate to recommend Absolute Energy to anyone.

Mary-ann Carr

Their people were all wonderfull, and did the work very well in no time at all.

Cec Deck

The men were so friendly and helpful. Would definately use you again.

Lisa Prince

We already feel the difference- thank you so much it’s really amazing the job you did

Andre O’Sullan

Awesome service from start to finish. Narissa was a pleasure to deal with.

Richard Bevin

Seamless operation. Everything was done at the designated time.

Mark Holyoake

Excellent and prompt service, as well as being very informative.

Dianne Scott

Really impressive service with a quality control check at the end.

Paul zkelly

very happy with the installation was done very professionally and within the time frame.

Tony Bell

Quick and professional job. We were very pleased with the service

Claire Nichols

Took care of everything and left with no obvious trace except the new insulation.

Justine Vavasour

The team always does a good job, and their prices are very competitive!

Java Thirty

Your man worked hard all day installing underfloor insulation and left behind a great result.

Fergus Shaw

Fast and efficient, reliable team , communication top notch would recommend.

Jonny McKitrick

We were blown away by the difference it made to our home.

Trudi Wilson

I can’t thank these guys enough! They were so quick and kind! Grateful for a warm home.

Cathy Nicholson

So professional and the installers work was superior – neat and tidy!

A warmer, healthier
home is just one
click away…

Learn more about our insulation solutions with the links below. Don’t see what you’re looking for? Get in touch.


Why choose Absolute Energy?


How does the installation work?


Learn about Absolute Energy