Learn

Understand the systems that make homes perform.

Technical resources written for homeowners, builders and designers who want to understand high-performance building.

High-performance building systems — MVHR, airtightness, Passive House — are not widely understood in Australia. That means homeowners and building teams often make decisions based on incomplete information, or engage specialists too late to get the best result.

These articles are written to give you a clear, accurate grounding in the topics that matter most. No oversimplification, no marketing. Read them before your project starts and you’ll ask better questions, make better decisions and get a better outcome.

Ventilation

What is MVHR?

Understand how Mechanical Ventilation with Heat Recovery works, why it matters for airtight homes, and what to expect from a well-designed system.

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Passive House

What is Passive House?

The Passive House standard is the world's most rigorous building energy performance standard. Learn the five principles and why it delivers unparalleled comfort.

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Airtightness

Airtightness Explained

Airtightness is the foundation of every high-performance home. Learn why it matters, how it is measured, and what levels are achievable in South Australian construction.

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Testing

Blower Door Testing

What is a blower door test, how is it carried out, and what do the results mean? A practical guide for homeowners and building professionals.

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Hot Water

Heat Pump Hot Water

How do heat pump hot water systems work, why are CO₂ systems different, and are they the right choice for your home? Everything you need to know.

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Building Science

High-Performance Homes

What does a high-performance home actually mean? Understand the principles, the systems and the building science behind homes that perform better for less energy.

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Indoor Air Quality

Mould in New & Airtight Homes

New homes in Adelaide shouldn't have mould — but airtight construction without proper ventilation creates the perfect conditions for it. Here's why it happens and what actually fixes it.

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Indoor Air Quality

Poor Sleep & Morning Headaches from CO₂

Waking up tired or with a headache? High CO₂ from poor ventilation is a common cause in modern airtight homes. Learn what's happening overnight in your bedroom.

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Indoor Air Quality

Damp Bathrooms That Never Dry

Persistent damp, mould and lingering steam after a shower? The exhaust fan probably isn't doing the job — or isn't compliant with NCC 2022. Here's what's required.

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Compliance

NCC 2022 Ventilation Requirements

What NCC 2022 changed for residential ventilation — the 5 ACH threshold, the mechanical ventilation formula, condensation management rules, and what it means for SA builders and designers.

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Have a specific question?

Our team is happy to answer questions about any aspect of high-performance homes, MVHR or airtightness.

Book a consultation