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Tag Archives: energy calculations

Refrigerated Walk-In Coldroom Comparisons Report

Refrigerated Walk-In Coldrooms (WICs) are applied in a wide range of facilities as part of the delivery stream from food source to consumer. However, WICs aren’t regulated for minimum energy efficiency performance, making them difficult to assess. WICs can be […]

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What Can Delay My Energy Assessment?

Energy Efficiency assessments can be a time consuming and complicated process. What sort of things can delay your result, and what can you do to get your report sooner?
1. Incomplete Building Information
To get us started on the Energy Efficiency […]

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JV3 vs DTS: Construction Cost Savings!

Energy efficiency assessments can be performed in several different ways – each with their own strengths & weaknesses. Firstly, there is the Deemed-To-Satisfy (DTS) Energy Efficiency Building Solution. To achieve compliance through a DTS assessment, all separate elements of the […]

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How to Understand Your Energy Efficiency Report

Our Energy Efficiency Reports are written to provide an accurate & concise summary of how your building compares to the National Construction Code Performance Requirement and they include the Design Compliance Certificate (Form 15 in Queensland). They’re created with the […]

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Roof Insulation Compression Calculator

When fibre insulation is compressed (to fit into a tight space, squished underneath purlins or even by a retaining mesh), its R-value decreases. This change isn’t a simple linear reduction, but a complex curve that’s different for each material.
To assist […]

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Can you Convert a House Star Rating to Dollars?

What’s a Star Rating worth? How can you estimate the cost of electricity for heating & cooling your home from a House Star Rating? Is it even possible? It is, but it requires a little work. You’ll need to find […]

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Verification Method JV3 Explained

JV3 Assessments are a complicated beast & not many Building Thermal Assessors know how to do them correctly. How do you check the validity of your Energy Efficiency Report to verify it’s correct? What conditions should apply to the assessment?

Your […]

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Optimal Window Eaves Shading

Following from Window Design for House Efficiency the contribution of windows to the total building Energy Efficiency is considered. The BERS 3.2 thermal simulation was used to determine the optimum eaves width for glazing of different heights. The optimum was […]

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Window Design for Building Energy Efficiency

The effective total Resistance to Heat Transfer for single-glazing is Rg = 0.16 m²K/W (disregarding the frame). A Brick Veneer wall (stud and plasterboard) with Aluminium foil insulation has a Resistance of Rw = 1.56 m²K/W, which is almost ten […]

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Confused by all the complicated words & jargon in the Energy Efficiency Industry? We've put together a brief explanation of common Energy Efficiency terms.

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