For clients wanting the lowest cost of build, a simple compliance report can be prepared for the Local Authority which will change the need for expensive glass windows and doors using an Energy Model and Rational Design.
The building will not have the fenestration and insulation specifications, but it may have a more efficient hot water system or some other measure in place which makes the building nominally more efficient.
The service which SP Energy Pty Ltd offers, is to optimise the extra expenditure on energy efficiency and guide the clients towards adopting those measures which are cost effective.
Design by a Competent Person involving a process of reasoning and calculation and which may include a design based on the use of a Standard or other suitable document.