Trade Services in Canberra

Backed by over 20 years of plumbing and HVAC experience, our licensed team delivers end-to-end multi-trade services for renovations, repairs, and commercial property maintenance.

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About Us

Demetrius Projects began over 10 years ago as a small plumbing business and has grown into a trusted multi-trade service provider supporting Canberra and the surrounding areas. Over time, our work expanded beyond plumbing to include air conditioning, blocked drains, septic systems, hydrovac work, geothermal solutions and commercial facility maintenance, allowing us to support a wide range of property needs.


Built on professionalism, proper licensing and a commitment to quality, we focus on delivering reliable, responsible service while making things easier for homeowners, rural property owners and small businesses. Our one-stop approach means you can rely on one experienced team to manage repairs, upgrades and ongoing support with clear communication and genuine care.

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Meet The Team

Aaron Demetrius

Aaron is the Founder and Director of Demetrius Projects. A fully licensed plumber with over 19 years of plumbing experience. 

Aaron is extremely passionate about plumbing, he lives and breathes it. 


Rick Demetrius

Rick is the director of Heating and Cooling area of Demetrius Projects and supplies a high quality service. A qualified heating and cooling technician with over 19 years of commercial and domestic experience. 


Rick goes above and beyond for all of our customers and is extremely thorough.

Cory Milne

Cory is our fully licensed plumber who is a strong team player within the company. He is professional, efficient and brings strong skills to the company along with a good attitude and great workmanship. 


Rowdy Wolters

Rowdy is our 2nd fully licensed plumber.


He will always bring a can do attitude to each job. A pleasure to have on board and a fantastic asset to have for our company. 

Tom Grace

We welcome Tom to our team. Tom is our newest team member and we are so thrilled to have him as a new addition. Adding his skills and knowledge to our team is exciting!

Nasser Hamdan

Nasser is our second year apprentice. You will see him on site learning the trade, assisting our plumbers and playing a key part to our plumbing works. Nasser's skills are growing quickly and we cannot wait to continue to watch him grow in our company. ï»¿

Max Herbert

Max is our new second year apprentice. 


His enthusiasm to working within the plumbing industry is inspiring. We are excited to have him on board.

Corinne Demetrius

Corinne is our office administrator who has a wide variety of skills that we are grateful to have in the team. She works in our office answering your inquiries, sending invoices and supporting the team. 

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Your Local Multi-Trade Team

Demetrius Projects is a trusted Canberra-based plumbing and HVAC company delivering licensed multi-trade services for residential, rural, and commercial properties. With over 20 years of industry experience, we provide reliable solutions for homeowners, small businesses and commercial facilities across Canberra and the surrounding regions. Based in Queanbeyan, our local team delivers a wide range of services including hot water systems, blocked drains, air conditioning and HVAC maintenance, septic systems, geothermal services, hydrovac excavation and commercial facility maintenance.


We focus on dependable workmanship, clear communication, and responsible service, making it easy to manage plumbing, HVAC, and property maintenance through one experiences multi-trade team.


  • Decades of hands-on trade experience
  • A convenient one-stop solution for complex jobs


When you choose us, you work with a team that values clear advice, safety and consistent results. We explain your options in simple terms so you can make confident decisions. Whether you need repairs, upgrades or general support, we provide solutions that suit your property and your goals.


For friendly, reliable assistance, call 02 3820 5334.

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Services We Provide

Hot Water Systems

Reliable hot water matters, so we install, repair and replace electric, gas, solar and heat pump systems while helping you choose options that suit your home, business or site needs.

Commercial Facility Maintenance

We help keep facilities running smoothly with reliable support for commercial buildings, managed sites and workplaces, providing consistent maintenance across key trade areas to keep daily operations on track.

Blocked Drains

Blocked drains can stop everything fast. We clear and inspect problem areas to restore proper flow and reduce repeat issues, providing practical drainage support for homes, businesses and properties.

Air Conditioning

Comfort starts with dependable climate control, and we install, service and upgrade reverse cycle, ducted, heating and cooling systems to deliver tailored solutions that improve comfort across a wide range of indoor environments.

Septic Tanks

A safe, reliable septic system supports your property. We install, inspect and maintain systems for residential homes, rural blocks and larger land areas to help ensure steady performance throughout the year.

Geothermal

Energy efficient heating is easier with geothermal solutions. We design and install geothermal and hydronic systems, offering guidance on planning, performance and long-term comfort for a wide range of property needs.

Hydrovac

Precision matters when working underground, so our hydrovac excavation exposes essential services cleanly and safely, minimising disruption and helping protect plumbing, drainage and construction areas from damage.

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Get In Touch

Our multi-skilled team is ready to assist with a wide range of trade services. Use the form below to request a detailed quote.

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Skilled Support You Can Trust

We offer a wide mix of trade services to make looking after your property simpler. With skills across several fields, we help you manage repairs, improvements and ongoing needs without juggling multiple contractors. Our practical approach and clear communication mean you always know what to expect, and every job is handled with care.


If you would like guidance or have a project in mind, get in touch and we will be happy to help.

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Broad Capability

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Practical Solutions

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Quality Driven