Grant NI has achieved an enviable reputation for its high-efficiency approach to new concepts. As the leading boiler manufacturer in Ireland, recognised with awards for innovative, we are aware that although most homes will continue to be heated by gas, oil or electricity, there is a growing awareness that we all need to do more to reduce our dependency on fossil fuels. Our focus is on environmentally friendly solutions that benefit not only this generation but future ones. For over 35 years GRANT has been designing, manufacturing and supplying a wide range of highly efficient and reliable heating products and become a firm favourite with householders and installers in Northern Ireland.