What is a rainwater harvesting system?

A rainwater harvesting system is used to capture rainwater and filter it so that it can be used for a variety of purposes; even as drinking water.


How does a rainwater harvesting system work?

The system works by harvesting rainwater and filtering it through a tank. The filtered water is then pumped back into the home or other premises for the use of free, independent water supply.


What are the benefits of a rainwater harvesting system?

Rainwater harvesting systems can be used for domestic use, commercial use and for agricultural activities. The benefits of installing this system are as follows:

  • Simple to install.
  • Low running costs and virtually maintenance free.
  • Saves you money on the Irish water charges.
  • Free independent water access.


What can I use the rainwater for?

Rainwater can be used in the home for all gardening and outdoor cleaning requirements. It can also be used for toilet flushing, showering and brushing your teeth. Theses daily chores can take up vast amounts of water, which makes this system of particular interest with the introduction of the Irish water charges.


Why should I use rainwater?

Rainwater is a valuable, natural resource with many benefits. Harvesting and conserving water benefits our economy and will save you a lot of money.


Can I drink the water?

Providing the water has been adequately filtered; yes, it is fit for human consumption.


What maintenance is required?

Rainwater harvesting systems are designed and installed so that regular maintenance tasks, such as cleaning the filters, can be carried out. The UV filter has a UV lamp inside which can be changed without any great difficulty.


Do I Need a UV filter with my rainwater harvesting system?

A UV filter is not a necessity, however if bacteria is not removed from the water, this can result in the need for extensive plumbing words.


How long will the system last?

When installed correctly; rainwater harvesting systems can last up to 20 years and sometimes even longer.


How much water is collected?

The volume of water that can be collected by a rainwater harvesting system depends on the size of the tank, the area where the water is being collected and the number of people consuming the water. We supply a number of different water tank sizes to suit varying needs. Contact us on 0868517555 for more information.


Will the rainwater harvesting tank freeze during the winter months?

These systems are generally installed to prevent freezing. As a result of the tank’s thickness and the volume of water, it is likely that the harvested water will reach freezing point.

However, prolonged freezing conditions will freeze the body of the water if the tank is left un-insulated. The system will not work until the water thaws.


What happens if my tank freezes?

 In the unlikely event that the system experiences freezing; your mains water will take over and therefore, you will never be left without access to water.


How is a rainwater harvesting system installed?

Rainwater harvesting systems are relatively simple to install. Sweeney Renewables currently stock the leading brand rainwater systems which comes with a filter tank and pump.


How long does it take to install a rainwater harvesting system?

A rainwater harvesting system can be fully installed in 1 day. Larger systems may take up to 2 days to complete.


Are there grants available for rainwater harvesting?

There are currently no Government grants available for installing or owning a rainwater harvesting system in Ireland.


How much does a rainwater harvesting system cost?

The cost of a rainwater harvesting system is dependent on individual water requirements. We supply a number of different tank sizes to suit varying needs. For a quote today call us on 0868517555.



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