Sustainable Design: Quality Living

White Paper –

Passivhaus & Respiratory

Health: A Case Study

White Paper –

Passivhaus & Respiratory

Health: A Case Study

Understanding how Australian homes affect indoor air quality, thermal comfort and long-term health.

Healthy housing is about more than energy efficiency. Indoor air quality, moisture control and thermal stability all play a critical role in respiratory health, sleep quality and overall wellbeing. This white paper brings together building science, Australian monitoring data and lived experience to explain what makes a home genuinely healthy.

Understanding how Australian homes affect indoor air quality, thermal comfort and long-term health.

Healthy housing is about more than energy efficiency. Indoor air quality, moisture control and thermal stability all play a critical role in respiratory health, sleep quality and overall wellbeing. This white paper brings together building science, Australian monitoring data and lived experience to explain what makes a home genuinely healthy.

Why healthy homes matter

Australians spend close to 90% of their time indoors, yet many homes still expose occupants to poor air quality, unstable temperatures and hidden moisture risk. These conditions are linked to increased respiratory symptoms, disrupted sleep and reduced comfort, particularly for children, older people and those with asthma or allergies.

This white paper explains the key environmental factors inside homes that influence health outcomes and why addressing them requires a whole-of-building approach rather than isolated upgrades.

Why healthy homes matter

Australians spend close to 90% of their time indoors, yet many homes still expose occupants to poor air quality, unstable temperatures and hidden moisture risk. These conditions are linked to increased respiratory symptoms, disrupted sleep and reduced comfort, particularly for children, older people and those with asthma or allergies.

This white paper explains the key environmental factors inside homes that influence health outcomes and why addressing them requires a whole-of-building approach rather than isolated upgrades.

What this white paper explores

  • The relationship between indoor air quality and respiratory health

  • Common indoor pollutants in Australian homes including CO2, PM2.5, VOCs and nitrogen dioxide

  • Moisture, condensation and mould risk and why it is often misunderstood

  • Thermal stability and the health impacts of extreme heat and cold

  • Why ventilation, airtightness and filtration must work together

  • The difference between perceived comfort and measured performance

This is an educational resource designed to build understanding and support better conversations about healthy housing.

What this white paper explores

  • The relationship between indoor air quality and respiratory health

  • Common indoor pollutants in Australian homes including PM2.5, VOCs and nitrogen dioxide

  • Moisture, condensation and mould risk and why it is often misunderstood

  • Thermal stability and the health impacts of extreme heat and cold

  • Why ventilation, airtightness and filtration must work together

  • The difference between perceived comfort and measured performance

This is an educational resource designed to build understanding and support better conversations about healthy housing.

Our homes play a quiet but powerful role in our health. This white paper examines how indoor air quality, moisture and temperature stability affect comfort, respiratory outcomes and everyday wellbeing in Australian housing.

Our homes play a quiet but powerful role in our health. This white paper examines how indoor air quality, moisture and temperature stability affect comfort, respiratory outcomes and everyday wellbeing in Australian housing.

Grounded in evidence and experience

The insights in this white paper are drawn from a detailed case study comparing a standard code-compliant Western Sydney apartment with a Certified Passivhaus. Post-occupancy monitoring and occupant health observations were used to examine differences in indoor air quality, thermal stability and lived comfort.

The findings highlight measurable health benefits associated with high-performance building principles, including improved respiratory comfort, reduced exposure to indoor pollutants and more stable indoor temperatures across seasonal extremes. These outcomes are considered within real Australian conditions and everyday occupancy patterns.

Rather than promoting specific products or systems, the white paper focuses on principles, performance and outcomes and what they mean for healthier homes.

Grounded in evidence and experience

The insights in this white paper are drawn from a detailed case study comparing a standard code-compliant Western Sydney apartment with a Certified Passivhaus. Post-occupancy monitoring and occupant health observations were used to examine differences in indoor air quality, thermal stability and lived comfort.

The findings highlight measurable health benefits associated with high-performance building principles, including improved respiratory comfort, reduced exposure to indoor pollutants and more stable indoor temperatures across seasonal extremes. These outcomes are considered within real Australian conditions and everyday occupancy patterns.

Rather than promoting specific products or systems, the white paper focuses on principles, performance and outcomes and what they mean for healthier homes.

Who this is for

  • Homeowners seeking healthier living environments

  • Families managing asthma, allergies or chemical sensitivities

  • Health professionals interested in the built environment

  • Architects, planners and policymakers

  • Anyone wanting a clearer understanding of how homes influence health

Who this is for

  • Homeowners seeking healthier living environments

  • Families managing asthma, allergies or chemical sensitivities

  • Health professionals interested in the built environment

  • Architects, planners and policymakers

  • Anyone wanting a clearer understanding of how homes influence health

Download

The Healthy Homes White Paper

Gain a clearer understanding of how housing design and construction decisions affect indoor health and comfort.

Download

The Healthy Homes

White Paper

Gain a clearer understanding of how housing design and construction decisions affect indoor health and comfort.

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