All new Australian residential construction and renovations costing over $50,000 needs to achieve a 6 star energy rating as outlined in the National Construction Code (NCC). The Nationwide house energy rating scheme, commonly known as NatHERS assessment, provides residential constructions with energy and thermal comfort star rating ranging from 1 to 10. The rating is based upon the structure's design, construction material and location of the project. The Australian harsh and unforgiving climatic conditions necessitate the construction of energy-efficient homes. However, only a few projects were able to achieve 10-star NatHERS rating. While NatHERS assessment is specifically reserved for residential constructions, the BCA section J report deals with commercial constructions. What Is 6-Starts NatHERS Rating? A thermal or energy efficient rating Indicates how much artificial heating and cooling is required to maintain a comfortable interior thermal temperature. Consequently, a six-star rated home will have greater thermal efficiency than a 5 star-rated construction. in simple words, a six-star rated home will most likely consume 24% less energy for artificially heating and cooling a house. What’s Included Within A NatHERS Assessment? A NatHERS assessment evaluates the following components of residential construction: When evaluating a new home and its compliance with a 6-star energy rating, an assessment considers the ‘skin’ of the building and materials that make up the home as well as environmental factors such as climate and orientation. These include:
Also Read: Benefits Of Living In A BASIX Certified Home What are the best ways to achieve a 6+ star NatHERS Rating? Some features of Sustainable residential construction can also be applied in commercial projects to achieve compliance with the BCA section J report.
Passive cooling utilizes the concept of ventilation, unrestricted air movement, evaporative cooling and thermal mass to maintain a cool temperature within the interiors. Passive heating and cooling are important components of the NatHERS assessment.
Wrapping Up Only a few Australian residential constructions have attained the aspirational pinnacle of 10-star energy efficiency. Hire an experienced building consultant to achieve a higher rating and enjoy greater market value and reputation through sustainable design concepts.
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Eco Certificates established in 2009 by providing energy efficiency and sustainability consulting services for buildings to comply with energy efficiency requirements of the Building Code of Australia as well as other statewide regulations. The focus of our services has been the same in all these 11 years and only has been improved toward perfection in quality and speed. By the constant study of the latest progress in the science of our work and by using the latest available technology Eco Certificates offers the rare combination of affordable service, quick turn around and the highest quality of documents.
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