Efficiency Assessments provides building sustainability and energy efficiency ratings Australia wide. We are one of the most experienced and longest operating consultancies in Australia and have been using assessment software for over 15 years.  We are family owned and operated and are dedicated to building strong customer relationships through our friendly and reliable service and our focus on communication and client involvement. We will tailor our service to your circumstances, knowledge and needs.




As energy efficiency and house energy rating are the only services that we deliver, we guarantee our customers a high quality trustworthy and professional service based on unparalleled knowledge of the built environment industry.  Our consultants have an exceptional knowledge of the ever changing Australian energy efficiency and sustainability regulations. We have an exceptional knowledge of building, design and certification with extensive experience in both the public and private sectors.  We understand the science behind the software and building thermal performance and physics. Our experience, background and ongoing professional development ensure that our advice is sound, reliable and up to date. 




We provide all levels of service from basic compliance and certification through to detailed thermal performance analysis. For all your energy efficiency & house energy rating needs, no matter how big or small your project, contact our friendly team to find out what we can do for you.