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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.

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.

Rainwater Tank Installation

Rainwater Tank Installation

Supply and installation of commercial-grade tanks for potable or non-potable applications.

Pump & Filtration Integration

Pump & Filtration Integration

Connection of pumps, filters and treatment systems to ensure water quality and reliability.

Stormwater Capture & Diversion

Stormwater Capture & Diversion

Systems to capture and redirect stormwater for reuse or safe discharge.

System Maintenance & Servicing

System Maintenance & Servicing

Regular cleaning, inspection and servicing to maintain efficiency and compliance.

Commercial rainwater harvesting tank and pump installation

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 172 743

See Our Latest Work

Recent rain harvesting projects

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rain harvesting project 2
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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

Best Price Guarantee

We'll beat any written competitor quote, ensuring exceptional value without sacrificing quality.

Lifetime Workmanship Warranty

Lifetime Workmanship Warranty

Every service is backed by our commitment to long-lasting reliability and performance.

Certified & Accredited

Certified & Accredited

Proudly triple ISO certified across Quality, Environmental and WHS standards.

Smarter water use, lower bills

Commercial rain harvesting systems across Greater Sydney and the Lower Blue Mountains — call 1800 172 743.