About us
We're dedicated to delivering practical award winning mechanical engineering and building solutions that work for you.
Who we are
GWA Consultants is an award-winning mechanical engineering and building services specialist with more than 30 years of proven experience. Since 1990, we have delivered new builds, refurbishments, and fit out projects across the commercial, retail, industrial, education, hospitality, and healthcare sectors.
We are recognised for pushing the boundaries of innovation and best practice in building science - combining technical expertise with practical solutions that deliver results. Our focus is on helping clients achieve long-term performance and sustainability goals, all on-time and within budget.
With a reputation built on reliability, quality, and trust, GWA Consultants continues to shape the future of building services for clients across Australia.

Meet the team

David Findley
David Findley is a Director with over 25 years of mechanical engineering experience. David has a passion for working with clients to deliver sustainable outcomes.
His specialty is building upgrades and refurbishment projects. He has a unique ability to understand the property’s goals and develop bespoke solutions to achieve the desired outcomes.
David has managed several large multi-disciplinary projects, with a focus on mechanical services. These include full building upgrades, mechanical services central plant upgrades, and building management and controls system upgrades.

David Findley

Alastair Chapman
Alastair Chapman is a Director of GWA Consultants. With over 20 years’ mechanical engineering experience, Alastair first began his career at GWA as an undergraduate, then progressing to more senior roles within the firm. In 2020, he was appointed as a Director.
His specialty is building upgrades and refurbishment projects. These include full building upgrades, mechanical services central plant upgrades, and building management and controls system upgrades.
Alastair has a special interest in building compliance. He currently represents The Australian Institute of Refrigeration, Airconditioning and Heating (AIRAH) on the Standards Australia ME-062 Committee.

Alastair Chapman

Mikaila Ganado
Mikaila Ganado is a Director with over 20 years’ mechanical engineering experience in the built environment and water services sector. She is passionate about developing innovative, efficient solutions for both new builds and pre-loved buildings. Mikaila has extensive experience in design, project management, commissioning, maintenance, and operations.
Mikaila is also a National President and non-exec director of AIRAH. She is the NSW Division’s Associate Director and past President. She is an advocate for improving diversity and inclusion and is the Chair of the Women of AIRAH.

Mikaila Ganado
Join the team
We’re always looking for curious minds and practical thinkers who want to make a real impact in the built environment. At GWA, you’ll work alongside experienced engineers, project leads, and sustainability experts on some of Australia’s most complex and rewarding projects. If you value technical rigour, collaborative culture, and a clear sense of purpose — we’d love to hear from you.
Our team
GWA Consultants has built a team of experienced and skilled mechanical engineers servicing Sydney, regional NSW and the East Coast of Australia.
With three Directors leading the company, GWA Consultants are renowned for being one of the best mechanical engineering firms in the industry. Our clients are reassured of the highest levels of service with a dedicated GWA Director playing an active role in every project.


We’re here to make buildings work better. By delivering award winning, energy-smart solutions, we help our clients create spaces that are efficient, comfortable, and built to last.


Our approach
At GWA Consultants, we work closely with clients to deliver solutions that truly fit their needs. Our senior engineers are hands-on from start to finish, ensuring that every design is practical, buildable, and aligned with the building’s unique requirements. This collaborative approach means we’re always available to answer questions, tackle challenges, and adapt to each project as it unfolds.
Why choose us?
30+ years of experience
Decades of expertise in MEchanical and building services for lasting solutions.
Senior engineers on every project
Every project led by seasoned engineers for unmatched quality.
Trusted by top property groups
Clients like Dexus, GPT, and Mirvac count on our reliable services.

Trusted by industry leaders














Frequently asked questions
Got questions? Here are answers to some of the things we’re often asked about our services and approach.
What services do you provide?
We offer HVAC and building services, including lifecycle energy auditing, building upgrades, and essential services design.
How do you ensure energy efficiency in building services design?
Our designs focus on minimising energy use and enhancing system performance, ensuring reliable, efficient solutions.
Can you help with ongoing building tuning and maintenance?
Yes, we provide ongoing support, including building tuning and assessments to keep systems operating smoothly.
Do you work with buildings outside Sydney?
We primarily serve Sydney, but we’re available for select projects across NSW and Australia.

Let’s collaborate
Let’s collaborate to bring efficient, innovative solutions to your building. Reach out today to discuss how we can support your project.
