Welcome to Gas Wise Ltd, Dublin Gas & Oil Services.

At Gas Wise we strive to be at the forefront of the Industry. To offer the most cost effective packages to suit all our clients needs. Whether we carry out a repair to a gas appliance up to a complete heating upgrade, we can assure you by providing you with the most efficient products and the assurance of quality work that we will reduce your fuel usage leading to lower fuel bills and reducing your carbon footprint for you and our environment.

Request an appointment

Make your home more energy efficient and reduce your energy bills by booking a gas boiler service, repair or replacement today, 

Request an appointment now or call us on 01 8315566 / lo-call 1850 427947.

Gas Boiler service

Maintain Highest Efficiency, while prolonging the life of your boiler by booking a boiler service with us today! It couldn't be easier to get your boiler serviced by a RGI gas engineer.


Regular gas boiler and gas appliance maintenance, will leave them running more efficiently saving money on running costs  and more importantly keeping your gas appliances Safe.

boiler heating controls

Controlling your heating more effectively could save you up to 20% on your heating costs. By installing heating controls, your heating system can react to changes in temperature.

High Efficiency Gas Boiler

Condensing High Efficiency boilers are much more efficient than standard boilers. They can be fitted to most new and old heating systems and are so small they can often be fitted in a kitchen press.

boiler upgrades

Replacing an old gas boiler with a High Efficiency condensing boiler will cut your home's carbon dioxide emissions - and could save you as much as €200-€500 a year on your heating running costs.

Extended boiler warranty

Gas Wise is the only company in Ireland to give all our customers a completely free, five-year warranty. When you choose Gas Wise you are choosing affordable pricing and total peace of mind.


Keep your boiler efficient and book your annual boiler service online! Gas boiler service