Registered Gas Installers (RGI)

It is a legal requirement that any work carried out on domestic gas installations must only be carried out by a Registered Gas Installer.

What is a Registered Gas Installer?

A Registered Gas Installer is an installer or service engineer who has completed the required gas installation safety training, who has the necessary insurance to carry out gas installations to the legal standard and who is registered with the Register of Gas Installers of Ireland.

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Why use a Registered Gas Installer?

  • In your home safety comes first.  So if you're having a natural gas appliance installed, serviced or repaired always use a Registered Gas Installer.
  • By law, only a Registered Gas Installer is permitted to work on domestic natural gas installations.
  • A Registered Gas Installer is fully insured and trained in gas safety and will provide you with a conformance certificate once the work is carried out, giving you peace of mind that your installation is safe.
  • You should have your boiler and other natural gas appliances serviced by a Registered Gas Installer once a year.
  • To find a Registered Gas Installer in your area, visit the Register of Gas Installers website.

Declaration of Conformance

If you have just moved into a new home or have added a gas installation to your existing home, insist that your builder / developer / Registered Gas Installer provides you with a copy of the 'Declaration of Conformance' for your gas installation. The Declaration of Conformance is the customers assurance that the installation is safe to use and conforms with the requirements of I.S 813. The Declaration of Conformance certificate confirms that your installation complies with this standard. You should keep this document in a safe place.

You can buy a copy of I.S. 813 at

It is a legal requirement that any work on gas installations must be carried out by a Registered Gas Installer.

If your meter was safety locked and your RGI has removed the lock, you must contact us with the cert details (cert 3) they have provided so that we can update our system. If we do not receive the cert details from you or your RGI it may result in incorrect estimated reads being issued.