UNDERSTANDING THE PROBLEM & IDENTIFYING REAL SOLUTIONS GWA Consultants is a specialist Mechanical Engineering and Energy Consultancy firm with over 25 years of experience in the Sydney building industry. We have a proven track record of providing long term solutions with a focus on efficiency and performance. Our work in landmark, commercial buildings provides the background experience required to successfully deliver quality solutions for any building. We endeavour to understand our client's needs and expectations and deliver real solutions that are tailored to suit the demands of each unique project.