Grant Engineering (NI) ULC is a leading heating contractors business in Northern Ireland, providing a wide range of innovative heating solutions including oil boilers, flues, air source heat pumps, cylinders, underfloor heating, afinia radiators, solar thermal, biomass boilers, spares, and accessories. The company also offers integrated heating packages for new builds and provides support through its comprehensive training centre, eLearning Academy, and multiple package solution design service.