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The national honour is his sixth HIA Australian GreenSmart Professional title and contributes to Blue Eco Homes' remarkable tally of sixteen HIA Australian GreenSmart Award wins since the program began.
With more than 40 years in the construction industry, Joe Mercieca has built a reputation as a leader in high-performance residential building through his work with Blue Eco Homes.
Driven by a belief that environmental performance should be measured rather than assumed, Joe champions a fabric-first approach that combines Passivhaus principles, airtight construction, controlled ventilation and climate-responsive design to deliver healthier, more comfortable homes.
His achievements include delivering Australia’s first Certified Passive House to achieve a BAL-FZ rating, completing seven Passive House homes in the past six years and consistently achieving exceptional airtightness results.
Beyond individual projects, Joe actively contributes to industry advancement through education, advocacy and industry engagement, promoting sustainable building practices that deliver measurable benefits for homeowners and the environment. GreenSmart Professional is partnered by HIA Insurance Services.
Tasmania’s Zanetto Builders was awarded the highest honour, winning the 2026 HIA Australian GreenSmart Home, partnered by Clipsal by Schneider Electric.
Designed to perform in Tasmania's cool temperate climate, the 287sqm Passive House Classic-certified residence combines contemporary architecture with exceptional building performance. Thoughtfully oriented to capture natural light and expansive views, it features super-insulated timber-framed walls, an R11 roof assembly and a measured airtightness result of 0.5 ACH@50Pa, making it one of the tightest residential buildings ever tested in Tasmania.
Triple-glazed windows, heat recovery ventilation and an all-electric design work together to minimise energy demand, while rooftop solar and rainwater harvesting further reduce the home's environmental footprint. Carefully selected low-VOC materials also contribute to a healthier indoor environment for its occupants.
This project was also awarded HIA Australian GreenSmart Custom Built Home, partnered by Bondor.
HIA Managing Director Jocelyn Martin said the HIA Australian GreenSmart Awards set the benchmark for the latest in environmental design excellence, industry innovation and sustainable building practices.
“Consumer demand for practical, affordable, smart, connected and durable environmental solutions for residential housing continues to grow.
“Our commitment to sustainable building outcomes and leading housing innovation has not altered for more than 25 years since the HIA GreenSmart program was introduced. Our members demonstrate that quality building and design, comfort, and on-going value for money can co-exist in a sustainable built environment.
“HIA GreenSmart Awards highlight our members who excel at delivering year-round comfortable homes into the market.
“Each winner and finalist is congratulated for achieving success at a national level,” concluded Ms Martin.
Presented as part of the HIA Future Homes Forum, the HIA Australian GreenSmart Awards brought together builders, designers, manufacturers, suppliers and sustainability leaders from across Australia to celebrate excellence and explore the latest innovations shaping the future of residential construction.
Before introducing another tax, another reporting requirement, another compliance obligation or another cost increase, HIA is calling on government ministers and policymakers to spend a day in the shoes of a small business owner.
The Housing Industry Association (HIA) has welcomed the Australian Government's $5 million pilot investment to support experienced tradespeople to become vocational education and training (VET) teachers, saying it addresses a longstanding challenge facing the construction training system.
Imposing registration and licensing on trades represents a significant impost, further degrading the capacity to deliver homes and other domestic building work. This submission, therefore, is not limited to responding to the Consultation Paper, rather, it addresses more broadly the significant risks that imposing registration and licensing on trades will have on the sector.
The Federal Government has announced that the Australian Taxation Office (ATO) will continue to accept credit card payments for tax liabilities until the end of the 2026-27 financial year, delaying changes that were previously due to take effect on 1 December.