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Certis Energy – Services

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BCA Section J Assessment

Certis Energy provides advice on how to achieve energy efficiency compliance within legislated building code requirements. Liaising with our clients, we analyse glazing performance with respect to building size and recommend the best type of glazing for the project. We evaluate and recommend glazing to not only suit aesthetic and design principles but also to achieve section J compliance. When evaluating R-value for projects, we research new innovative products that incorporate the latest technologies which provide the best thermal comfort and achieve the minimum R-value requirements. The technologies that we research range from thermal insulation to thermal resistant products available on the market. We understand spatial limitations for wall systems and take into consideration compliant products which would suit the project.


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Section J Alternative Solution (JV3)

Certis Energy encourages our clients to achieve Deemed-to-Satisfy (DTS) compliance or better in their approach to design. In circumstances where the design cannot cater to Section J DTS requirements, the design team may need to use a performance based JV3 solution.  This is where Certis Energy will consult with the client and design team to adopt a JV3 alternative solution. Moving from a Deemed-to-satisfy compliance to a JV3 method enables flexibilities in insulation and/or glazing requirements which hitherto may be deemed impractical within the final design.

Certis Energy will approach the JV3 verification method from a value management stand point and assess options that will not only achieve compliance but are commercially and environmentally beneficial for the building’s entire lifecycle.


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Residential NatHERS Assessment        

NatHERS is a national framework where all newly developed homes are required to achieve a benchmark in thermal performance. Dependant on state or territory, new homes are required to achieve a minimum star rating as per the regulatory framework.

Certis Energy understands how to best achieve the minimum required ratings however, we take pride to exceed these standards and still stay within budget.

Certis Energy performs a NatHERS assessment which takes into account the entire lifecycle of the home. We consider both the environmental impacts and the costs associated with heating and cooling a home and how they can be reduced through proper design. Here we consult with designers and developers on the best emerging technologies in insulation, ventilation and glazing that would achieve the desired outcome.


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BASIX Certification   

BASIX or ‘Building Sustainability Index’ is a mandatory scheme in NSW. It replaces the NCC energy efficiency requirements for new dwelling developments, alterations and additions. BASIX utilises the results attained from a NatHERS simulation assessment as a component to meeting specific targets for heating and cooling performance of a building.

Certis Energy will work closely with our clients in achieving the required water, thermal and energy targets. We will provide advice on how to achieve optimum water targets for example, through evaluating, WELS rated fixtures and fittings.

Collaborating with designers we will specify the best low water use for landscaping requirements, recommend optimal pool and spa settings as well as tanks for adequate rainwater storage.

Certis Energy will ensure energy targets in accordance with BASIX regulations are met through practical solutions and innovative technologies. This enables a reduction in overall annual energy consumption. Once all targets are met, Certis Energy will generate certificates in a timely manner to be included in the DA or CDC application.


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Green Star Certified Rating

Green Star rating is an internationally recognised sustainability rating system. Green Star certification is a formal process during which a building is awarded a rating though a document-based assessment by an independent body of sustainability professionals. Some benefits of building to Green Star standards include:

  1. Reduction in energy and water consumption
  2. Less greenhouse gases emissions
  3. Improved indoor air quality for occupants

Certis Energy will work to achieve the optimun target rating and document the whole process for certification, as the Green Star Accreditation Professional.

Green Star has released a Performance tool to assess the operational performance of existing buildings. This tool certifies that the building is performing as they were originally designed.


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Sustainability Management Plan / ESD Report

For construction projects of a certain size, many councils around Australia require the submission and implementation of a Sustainability Management Plan as a Development Approval condition. The Sustainability Management Plan which is also known as an (Ecological Sustainable Design) ESD Statement or ESD Report incorporates measures which will achieve at least a “Best Practice” environmentally sustainable rating.

Certis Energy delivers a tailor-made sustainability management plan with ESD initiatives including Green Star benchmarking, which is in line with the council policies. These are presented to the design team at an early stage in a draft report and the agreed elements are included in the final report for town planning.

The ESD report normally includes categories such as resource efficiency (energy, water and waste), building materials and indoor air quality.


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NABERS Commitment Agreement

The NABERS Commitment Agreement allows developers and building owners to promote and market new and refurbished commercial office buildings as being highly energy efficient prior to construction. Ratings of 4, 4.5 and 5 stars are normally targeted in the Commitment Agreement. This provides the confidence to prospective building owners and tenants that the building will be achieve a good environmental performance.

Certis Energy’s role is to facilitate the NABERS Agreement Commitment process by providing early design advice on the specifications that would meet the NABERS target. We perform and document thermal and energy modelling of the building to predict NABERS outcomes. Once the building is constructed, Certis Energy will monitor the actual energy performance and can provide tuning advice.


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NABERS Accredited Ratings

The National Australian Built Environment Rating System (NABERS) is a performance-based rating system applied to existing buildings. NABERS rates a building on the basis of its measured operational impacts on the environment, and provides a benchmark against other similar buildings. NABERS can be used to rate commercial buildings, shopping centres, hotels and data centres.

The ratings tools include:

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Certis Energy can deliver accredited NABERS rating for all types of buildings and we submit the results to the national NABERS Administrator on the client’s behalf.


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Building Energy Efficiency Certificate (BEEC)

The Commercial Building Disclosure (CBD) requires energy efficiency information to be provided before the sale or lease of commercial office space with a minimum area of 2000 square metres. The program is governed by the Building Energy Efficiency Disclosure Act 2010. As part of this legislation, a Building Energy Efficiency Certificate (BEEC) needs to be obtained before the building goes on sale, lease or sub-lease. BEECs are valid for 12 months and include months and include:

  • The building’s National Australian Built Environment Rating System (NABERS) Energy star rating
  • A tenancy lighting assessment of the relevant area of the building
  • General energy efficiency guidance.

Certis Energy will deliver all components of the BEEC and handle the document submission to the CBD Scheme administrator in Canberra. Our approach is to deliver a high-quality result free of error due to a strong internal peer review process. We comply with all mandatory requirements on record keeping.


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Condensation Risk Assessment

Condensation in buildings has become a major concern given that it affects the performance of buildings. If buildings are poorly designed, this can lead to problems such as structural corrosion, mould growth and reduced performance of insulation.

There are several ways for designers to manage the risk of condensation in buildings. Plans need to be provided and construction details need to be specified. Proper use of vapour permeable membranes or wraps would help control the flow of water vapour into the roof and wall cavities.

At Certis Energy, we use computer simulation to determine the risk of the “interstitial” condensation and mould formation within a building. This is based on the construction documentation provided. We also propose solutions that will assist to minimise the risk of condensation as part of our assessment.

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