A Power Flush will help you avoid cold spots on your radiators associated with sludge and debris build up. Power Flush can also reduce the risk of boiler breakdown and improve your home's overall energy efficiency.

DeWAR-NI, is a Northern Ireland based Gas, Oil and Plumbing Services company. We operate all over Armagh, Belfast, Ballymena, Derry, Lisburn, Newry and all of Northern Ireland, no job too big or small. The services that we provide include, Gas & Oil Boiler Servicing, Gas & Oil Boiler Upgrade, Gas & Oil Boiler Repair, Gas & Oil Boiler Replacement, New High Efficiency A rated Condensing Boiler and a full range of Plumbing Services.

We are a Gas Safe Registered Company and have OFTEC Registered Technicians, our Engineers carry ID badges and are authorised to work on all Gas & Oil systems. All of our Engineers are trained to the highest standard and have completed many Domestic & Commercial Installations.