Best Heat Pump System Australia: What You Need to Know Before You Buy
If you’re considering a heat pump hot water system, you’re…
Reduce your mains water consumption and lower your bills.
Harvesting rainwater helps conserve natural water resources.
Store water for droughts, bushfires, or supply interruptions.
At Off Grid Plumbing, we offer professional rainwater tank installation and delivery services across Melbourne and surrounding suburbs. Whether you want to reduce your water bills, improve your home’s sustainability, or secure an independent water supply, our experienced team can help you choose, deliver, and install the perfect rainwater tank for your needs.
Polyethylene Tanks: Lightweight, affordable, and available in many sizes and colours.
Steel Tanks: Robust, long-lasting, and suitable for residential and commercial applications.
Underground Tanks: Ideal for saving space and maintaining aesthetics on your property.
Slimline Tanks: Perfect for narrow or restricted spaces without compromising storage capacity.
We pride ourselves on our flexibility and expertise, offering installation for any rainwater tank brand you choose. We stock and work with all the top brands in Australia, ensuring you receive quality products backed by trusted manufacturers, including:
Bushman Tanks
Kingspan
Atlas Tanks
Harlequin Tanks
Sinclair Tanks
Norwesco
Tankworks
No matter the brand, size, or style, we have the knowledge and experience to install your tank correctly and efficiently.
We also provide reliable delivery services for your rainwater tanks right to your property. Our delivery team will ensure your tank arrives safely and is positioned precisely where you need it. We coordinate delivery with your installation to make the entire process hassle-free.
Start saving water and money today. Contact Off Grid Plumbing for expert advice, free quotes, and reliable rainwater tank installation and delivery services in Melbourne. Our friendly team is ready to assist with any questions or to schedule your installation.

We discuss your water needs, property conditions, and budget to recommend the best tank and setup.

Our licensed plumbers install the tank, connect plumbing systems, and set up pumps and filters if required.

We thoroughly test the system to confirm proper operation.
Tank size depends on your household water usage, roof catchment area, and available space. We provide a free assessment to recommend the right size.
Yes, we install all major brands including Bushman, Kingspan, Atlas, Harlequin, Sinclair, Norwesco, Tankworks, and more.
Yes, we deliver rainwater tanks to your site and coordinate with installation for a smooth process
Absolutely, our licensed plumbers will connect your tank to toilets, laundry, irrigation, or other approved uses.
Most installations are completed within one day, depending on site conditions and tank size.
Water leak fixed
Heat pump install
Leaking faucet replacement
Water tank install & solar hot water heater
Gas Leak Repair
Roof Repair
Whether you’re ready to go fully off-grid or simply want to make your existing systems more efficient and eco-friendly, OGP provides innovative, affordable solutions tailored to your needs. We aim to help people worry less, live more, and contribute to meaningful, long-term change, one project at a time.
If you’re considering a heat pump hot water system, you’re…
When it comes to choosing an energy-efficient hot water system,…
Rainwater tanks are a popular way to collect and store…