Nationwide Energy Ratings

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Whole Of Home Assessment

Energy Assess is your trusted Melbourne-based partner for practical, reliable Whole Of Home assessments. We specialise in delivering fast, compliant, and cost-effective energy reports for builders, architects, developers, and homeowners—all fully aligned with the National House Energy Rating Scheme (NatHERS) and the National Construction Code (NCC).

If you’re seeking a thorough evaluation that covers your property’s total energy performance – not just thermal ratings – our assessments are designed to meet today’s evolving standards and client needs.

The New Standard in Energy Efficiency

Whole Of Home Assessments are now a mandatory requirement under NatHERS, which move beyond traditional envelope-only analyses. Instead of focusing solely on how well your home retains heat, this comprehensive process evaluates the energy efficiency of your entire property. That means every fixed appliance and key system is assessed for yearly energy use, ensuring compliance with national sustainability standards while delivering meaningful benefits for the building occupants.

This comprehensive assessment provides a complete picture of a household’s expected energy consumption, aligning with new building standards and helping designers, builders, and homeowners make intelligent, data-driven decisions. The ultimate goals of this process are simple yet powerful: to lower long-term energy bills, significantly reduce a home’s carbon footprint, and create spaces that offer superior comfort and liveability all year round.

Our Whole of Home Assessment Process

Our accredited energy consultants utilise advanced, government-approved software to conduct a meticulous Whole Of Home Assessment, creating a sophisticated digital model of your home’s design that simulates its annual energy use. We don’t just analyse the heating and cooling loads, we integrate the energy consumption of all major fixed appliances including:
– Heating and cooling systems
– Cooking appliances
– Hot water systems
– Interior and exterior lighting
– Pool and spa pumps
– On-site energy generation, such as solar PV systems and batteries

We present your home’s predicted energy score as a rating on a scale of 0 to 100 (where 100 is net zero, meaning the property fully offsets its annual energy use). For most projects, meeting a score of 60 or above is the required benchmark, indicating significant savings, reduced environmental impact, and better comfort compared to standard builds. This approach gives you the clarity needed for both compliance and decision-making, with insights into exactly how appliance choices and system configuration affect your result.

Providing Actionable Insights

The true value of a Whole Of Home Assessment lies in the detailed report it generates. Our expert team can provide a report that not only demonstrates compliance but also offers tailored, easy-to-understand recommendations to improve the property’s overall energy score.

Energy Assess can model different scenarios to identify actual cost differences over time. These results can help to justify design choices and appliance selections, validate investments in superior technology, and demonstrate genuine, long-term value to homeowners. This comprehensive energy efficiency report aids in achieving a higher standard of sustainability and can also serve as a key selling point for a property, highlighting its low running costs and enhanced comfort to prospective buyers.

Let’s Get Started

Let us help you design truly high-performance homes that are comfortable, sustainable, and cost-effective.

Contact Energy Assess today for a free, no-obligation quote on your comprehensive Whole Of Home Assessment.