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Reduce your home energy use: Why home insulation is important in achieving New Zealand’s clean energy goals.

Written by AAA Insulation on .

Approximately 40% of New Zealand’s total greenhouse emissions stem from our home energy use. Making smarter choices about how and where we use our energy can help to reduce those emissions and work towards our 2050 climate goals.

Home insulation plays a significant role in reducing home energy use. Fully insulating our homes means that less energy is required to heat and cool them, leading to energy efficiency and cost savings. There are numerous other benefits to home insulation, but in this article, we’ll focus on the importance of clean energy and why it’s essential for all of us to do our part.

How home energy use impacts climate change

It’s staggering to think that over 40% of New Zealand’s greenhouse gas emissions come from energy use in our homes. Common daily activities such as transportation, agriculture, manufacturing, construction, heating, and everyday electricity usage all contribute to these greenhouse gas emissions.

Greenhouse gases have historically been essential to the survival of life on earth. These gases act like a blanket around the world, trapping warmth from the sun within our ozone. However, in the last 70 years, we’ve seen a drastic rise in gas emissions as the world’s population has increased, which has started to cause changes in the climate.

Recent years have seen some of the hottest days on record in New Zealand. We’ve seen an increase in the frequency of extreme climate events like earthquakes, floods, storms, and even droughts. As the global climate continues to change, we are likely to see food shortages, mass migration, and changes in ecosystems.

Reducing our energy-related emissions will be challenging; however, New Zealand is actively investing in initiatives that reduce our carbon emissions and transition to renewable energy.

What makes up New Zealand’s energy emissions?

The largest contributor to New Zealand’s energy emissions comes from transportation, with light vehicles such as cars and vans contributing 12.3% of total emissions and other forms of transport adding an additional 4.4%. Manufacturing and construction are significant contributors, making up 8.5% of our total emissions.

Electricity generation makes up an additional 5.9% of our emissions, and household energy use, such as gas and wood, increases this by another 2.3%.

New Zealand’s future home energy use

There are a lot of changes planned over the next 30 years to achieve our energy emissions targets. The government has an aspirational goal of eliminating our energy emissions by 2050.

In the future, if you own a car, it will likely be electric. Most people living in cities will be using energy-efficient public transport networks. We’ll all be living in smart, automated homes and offices that are energy-efficient. Finally, New Zealand will generate its electricity through renewable sources.

Home insulation plays a crucial role in reducing home energy use Moving New Zealand to clean energy sources is key in meeting our emissions reduction targets. It’s all about every Kiwi household making small changes to help us meet our overall goals.

Reducing home energy use helps free up capacity in our electricity grid. This makes electricity cheaper to produce and reduces dependence on high-emission fuels such as petrol and coal.

Small changes like switching to LED lighting and heat pumps are a great start, but ensuring your home is well-insulated is probably the best step to creating a more energy-efficient house. Insulation helps create a thermal barrier around your house that separates the outside and inside air.

This thermal envelope makes it easier to heat your home in winter and cool your home in summer, leading to energy efficiency and cost savings. Talk to the team at AAA Insulation today to arrange a free home assessment. You may also be eligible for a grant that, in some cases, can cover up to 80% of the cost of your insulation.


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