Frequently Asked Questions

The National Construction Code of Australia requires all new residential building work meets minimum energy efficiency requirements. An energy rating certification provides evidence that your building meets these standards.

Green at Heart uses two methods for performing a residential energy rating. Most of our assessments are undertaken via computer modelling, using the software tool BERS Pro. This software calculates the heating and cooling loads required to maintain a comfortable living environment.

We also perform a whole of home assessment which certifies the energy components of the home such as appliances, lighting, hot water systems, solar power and other features. 

Yes, commercial buildings also require a compliance report. Green at Heart can provide a Deemed to Satisfy (or Section J) assessment and compliance report for your commercial projects.

Yes, if the building work requires building approval, then it also requires an energy rating. Generally, the entire house will require assessment (including existing areas). There are certain exceptions to this, so please call us to discuss or ask you building certifier.

Green at Heart works hard to deliver fast turnarounds to ensure your building project can progress. We recommend you allow up to 5 working days for single homes and up to 7 days for multi-unit or commercial projects. If you have an urgent deadline, let us know and we can generally meet it.

Residential assessments start from $250 - 350 +GST depending on location and complexity .

You will require a copy of your completed plans and a completed assessment checklist. Visit our Assessment page to download a copy of our checklist.

Only accredited assessors are able to perform an energy rating. All assessors now require a Certificate IV in NatHERS assessment to gain accreditation. Green at Heart have fully qualified and highly experienced assessors.

The stars give an indication of how much energy is required to maintain a comfortable living environment inside your home, all year round. Seven stars indicate a good level of thermal performance and is the minimum requirement. Ten stars is the maximum and indicates that the home requires minimal heating or cooling.

If your design doesn’t initially reach 7 stars, Green at Heart will work with you to find some straightforward solutions. In most cases, we can assist you to reach 7 stars or higher.

An energy efficient home must be designed for its own particular environment. Climate, orientation, and the building fabric all play their own part. Have a look at our resources page for tips and guidelines. Feel free to give us a call for some advice.