Rainwater Tank Installation
Supply and installation of commercial-grade tanks for potable or non-potable applications.
All commercial services
Commercial Plumbing
Commercial Rain Harvesting Services in Sydney
Expert rain harvesting system services across Sydney and the Lower Blue Mountains — helping commercial, industrial and strata properties reduce water costs, improve efficiency and support environmental sustainability.
A licensed plumber answers, 24/7 — day, night, weekends and public holidays.
- Licensed & insured
- Upfront pricing
- Real person answers 24/7
Our services
Rain Harvesting System Services
Our licensed team specialises in the design, installation and maintenance of rainwater harvesting systems for commercial buildings, industrial facilities and multi-storey strata properties.
Pump & Filtration Integration
Connection of pumps, filters and treatment systems to ensure water quality and reliability.
Stormwater Capture & Diversion
Systems to capture and redirect stormwater for reuse or safe discharge.
System Maintenance & Servicing
Regular cleaning, inspection and servicing to maintain efficiency and compliance.
Lower running costs
Capture the water you're already paying to drain away
A correctly sized harvesting system offsets mains water for irrigation, flushing and process use — cutting a recurring line item and supporting your sustainability reporting.
- Monitoring and control systems to optimise collection, storage and usage
- Compliance and safety checks against Australian Standards, WHS and council requirements
- Retrofit of harvesting systems into existing buildings with minimal disruption
- Integration with irrigation, toilet flushing, cooling towers and process water
- Written servicing reports for facility managers and asset owners
Service types
Types of Rain Harvesting Systems
- Commercial rainwater tanks — high-capacity tanks for offices, factories, hospitals and multi-storey buildings
- Stormwater diversion systems — capture and redirect rainwater from roofs, carparks and hard surfaces
- Pump & filtration systems — integrated solutions delivering clean, usable water throughout the building
- Automated monitoring systems — smart controls for water level monitoring, pump operation and usage tracking
- Irrigation & non-potable uses — supplying water for landscaping, toilets, cooling towers and process applications
Want to know what a harvesting system would save you?
Call 1800 172 743See Our Latest Work
Recent rain harvesting projects
Why Choose Rapid Plumbing Group
Tier 1 delivery, in-house, every time
Proven Capability
A fully sustainable, in-house workforce delivering Tier 1 quality across residential, commercial and government projects — no subcontractors, no compromises.
Best Price Guarantee
We'll beat any written competitor quote, ensuring exceptional value without sacrificing quality.
Lifetime Workmanship Warranty
Every service is backed by our commitment to long-lasting reliability and performance.
Certified & Accredited
Proudly triple ISO certified across Quality, Environmental and WHS standards.
Still weighing it up?
The three things people worry about
“I don't want a surprise bill at the end.”
You get the price before we pick up a tool. We quote upfront, in writing, and it doesn't move once you've approved it.
“The last plumber never turned up.”
We give you a booking window and call ahead. Vans are on the road across Sydney every day, and a real person answers the phone 24/7.
“What if the work isn't done right?”
Every plumber is licensed and insured — Licensed & Insured — Lic #252951C, and our workmanship is guaranteed. If it's on us, we come back and fix it.
Booking us is a zero-risk decision
Upfront pricing in writing
You approve the price before any work starts. No hourly surprises, no invoice shock.
Licensed & fully insured
Licensed & Insured — Lic #252951C
Workmanship guaranteed
If something we installed fails because of our work, we come back and make it right.
Smarter water use, lower bills
Commercial rain harvesting systems across Greater Sydney and the Lower Blue Mountains — call 1800 172 743.