Sirius Air Conditioning & Refrigeration (Formerly Siganto Air/Mark Horn ) is one of the largest privately owned and operated air-conditioning companies in Queensland. Our business model continues to deliver quality services at competitive rates. Our current innovation towards technician utilisation and scheduling procedures will ensure our service levels continue to improve, enabling us to reach our goal of setting the benchmark for industry best practice in the service industry. Sirius Air specialises in the planning, maintenance, repair, installation, and performance management of commercial and industrial air-conditioning, refrigeration and building management systems. We are fully accredited and insured and currently maintain a quality system to AS/NZS ISO 9001:2008; and an AS/NZS ISO 4801:2000 rated Workplace Health & Safety system. We bring to our clients industry best practice in Engineering, Project Modelling and Management, tailored Preventative and Predictive Maintenance programs, and a commitment to NABERS. At the same time our contract planning and on-site monitoring ensures the highest level of site safety for clients, contractors and our employees. Our site safety record competes successfully with industry benchmarks. Sirius Air also manage light commercial projects, refrigeration, mechanical services maintenance and repairs. We maintain an extensive service fleet for our technicians, in addition to our on road Project and Service Managers. Our mobile, text messaging and computerised Work Order dispatch, allows us to provide a rapid response throughout Brisbane City, Gold and Sunshine Coasts regions.