Energy Efficient Homes Ltd

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Energy Efficient Homes Ltd Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Energy Efficient Homes Ltd, Construction Company, 8/22 Lowther Street, Christchurch.

Christchurch Design & Build Specialists for Energy Efficient Homes
Our integrated design-and-build approach brings architecture, building science and construction together to create high-performance homes.

The final score is in! Here’s how the competitors did in the Great Home Performance Test. Now we want to ask you: what d...
12/10/2026

The final score is in! Here’s how the competitors did in the Great Home Performance Test. Now we want to ask you: what did this test make you think about your own home?

Most of us notice when our bedroom gets cold overnight or the windows get wet with condensation. But we rarely think about how airtight our home is or whether there’s enough fresh air coming in. We just assume new homes are healthier.

For many people, it’s a revelation that homes can be designed around these measurements. Imagine waking up warm, breathing fresh air all day, and negligible power bills. What would it be like to call a home like that yours?

08/10/2026

It's the big reveal! Watch the finale of The Great Home Performance Test below. To recap: We tested three homes. One couldn’t keep the heat in. Another kept the heat in, but trapped stuffy air. And the third?

Discover what our blower door test reveals about this home's airtightness - and whether your guess came close to the final result!

We've tested the villa. We've tested the new build. Both had problems. One house left to test: the Energy Efficient Home...
07/10/2026

We've tested the villa. We've tested the new build. Both had problems. One house left to test: the Energy Efficient Home. Can you guess what the blower door test will reveal? Today is the last day to enter our competition! Submit your guess here: https://www.facebook.com/share/v/1BRuCVotFy/

Two houses down. One left to test. Our final contestant is an Energy Efficient Home. It's bigger than the villa and new ...
06/10/2026

Two houses down. One left to test. Our final contestant is an Energy Efficient Home. It's bigger than the villa and new build, so will that affect its heating bills? Tune in to the finale this Friday as we reveal how well it scores on airtightness, air quality, humidity, temperature, and energy use.

05/10/2026

Airtightness isn't the whole picture when it comes to the health of a home. We set up a monitor in the bedroom of the new house overnight to track three things: CO2, humidity, and temperature. Here's why they matter.

Test

The new build looked great on paper. Built to code in 2025, it's much cheaper to heat than the owners' last place. And j...
05/10/2026

The new build looked great on paper. Built to code in 2025, it's much cheaper to heat than the owners' last place. And just look at the airtightness! The new build is about 5.6 times more airtight than the old villa. That means it's keeping heat in... but it's also keeping something else in. Can you spot the problem?

02/10/2026

Sick of freezing old houses with draughts and sky high bills? A brand-new house seems like the perfect answer. But what if your new home has a hidden problem you never saw coming?

We put a new Christchurch home to the test to find out what was really happening inside. Find out what our blower door test revealed... and the results of an overnight indoor air quality test.

Think you can guess how airtight our next house - an Energy Efficient Home - will be? Drop your guess in the comments and get a second chance at winning our $200 Bunnings gift card! All correct guesses will go in the prize draw. Open to Canterbury residents 18+.

Last chance to guess the air changes per hour in this new home! Comment your guess at https://www.facebook.com/share/v/1...
30/09/2026

Last chance to guess the air changes per hour in this new home! Comment your guess at https://www.facebook.com/share/v/19ga6h33Vu/ - a correct answer will enter you in the draw for a $200 gift card from Bunnings! T&C apply.

Next up in The Great Home Performance Test: a new build. This home was built to the NZ building code in 2025. It's the s...
29/09/2026

Next up in The Great Home Performance Test: a new build. This home was built to the NZ building code in 2025. It's the same size as the old villa, but it has a lot more insulation. How airtight do you think this home might be?

Remember to comment below Episode 1 (https://www.facebook.com/share/v/19ga6h33Vu/) to be in the prize draw for a Bunnings gift card!

This old villa takes a lot of heat to stay warm because it's so draughty. But there's one thing it gets right. The const...
29/09/2026

This old villa takes a lot of heat to stay warm because it's so draughty. But there's one thing it gets right. The constant refreshing of the air keeps CO² levels low.

With air constantly moving through the villa, CO₂ from everyday breathing never gets the chance to build up. (In an airtight room, it has nowhere to go, and that's what leaves you groggy and unfocused.) All those draughts might be costing you on heating, but at least they're improving the air quality.

Address

8/22 Lowther Street
Christchurch

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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