Commercial Rainwater Harvesting

Ideal for ...

  • commercial buildings

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Rainwater harvesting explained

Roof water is collected via down-pipes feeding into a storage chamber. This is preferably an
underground storage tank. Water is then pumped to point of use when required.

Best practice

The collected water is ideal for irrigation, flushing loos and washing down. Installation requires
excavation works and some plumbing too if WC usage is required. For this reason, rainwater
harvesting systems are suited to new build or refurbishment scenarios.

However, if the collected water is only required for irrigation and washing down, systems can be
retro fitted relatively easily.

Types and options

Both underground and above ground systems are available on the market. East Green Energy
recommends the use of large underground storage to avoid stagnation and to provide an adequate
supply of water.

Underground storage tanks range in capacity from 1,600 to 13,000 litres. When correctly sized, up to
21 days of drought protection can be achieved.

Planning considerations

Planning departments now look favourably on projects which include rainwater harvesting.

Technical product Information

Download – Rainwater harvesting /Carat >
Download – 2700 litre tank >
Download – 3750 litre tank >
Download – 4800 litre tank >
Download – 6500 litre tank >
Download – Installation of tanks >

To discuss detailed system queries and requirements with our technical team, please contact us

Outline costs

To discuss costs for specific projects please contact us

Frequently asked questions

You may find an additional useful resource in our general FAQs information >

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Making green sense

Each one of us gets through 160 litres of water every day. Currently 30 - 50% of that water does not
need to be of drinking quality.

Making business sense

A correctly-sized rainwater harvesting system could make a major contribution to reducing water bills.

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Customer case studies

We are currently compiling this customer case study, so do check back soon. In the meantime
please take a look at our other case studies >

 

 

Solar Thermal Solar Photovoltaic Wind Turbines Thermal Stores Woodburneres Underfloor Heating Air Source Heat Pumps Ground Source Heat Pumps Rainwater Harvester Solar Photovoltaic Solar Thermal Wind Turbines Air Source Heat Pumps Underfloor Heating Thermal Stores Ground Source Heat Pumps Rainwater Harvester