A reputation built on recommendation! air cool engineering (NI) Ltd offers over 20 years of industry expertise in the design, installation and maintenance of air conditioning, heating and ventilation systems, and air source heat pumps. Operating across N. Ireland, Ireland and mainland UK, we work closely with architects, consultant engineers and end users - to create the perfect atmosphere in businesses and homes. air cool engineering (NI) Ltd consistently meets Mitsubishi Electric's key qualification criteria to become a Diamond Quality Partners – demonstrating that we have the specialist expertise and company philosophy to match Mitsubishi Electric’s high standards and values. This certification allows us to continue to offer an extensive seven year warranty on Mitsubishi Electric equipment, installed by ourselves. You can count on us! With a solid track record in all business sectors, air cool engineering (NI) Ltd provides the assurances that you are dealing with a trusted and reputable company, whose high level of customer service and technical know-how, underpins our consistent growth even during the recent turbulent economic times.