H2O is a professional and friendly company that has been established for more then 20 years. We specialise in all gas, oil, electrical, heating and hot water systems in County Dublin. 

At H2O we have a small team of engineers who are fully trained in their fields of expertise to make sure each job we take on is completed to the highest standards. We design, install, service and repair all types of heating and hot water systems both for commercial and domestic properties.

Customer service is at the top of our list of priorities at H2O. We ensure that each and every one of our customers fully understands what the problem is and the works required in correcting it. We also pride ourselves on our competitive quotations.


It is important to us that you, the customer, are happy with the price, the service and the project and that you will use H2O again.

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