The construction of the external heat supply networks – heating mains, is one of the main types of construction work the company has been performing since its incorporation. The works are carried out all around Latvia, with the most advanced, currently existing technologies, involving only highly qualified certified specialists. The company carries out the construction of underground and overhead pipelines of external heating networks from the heat producer to the heat consumer, using the construction materials meeting all the requirements of the Latvian Construction Standards and the European Union provisions regulating construction: pipes, insulating materials, fittings and operating equipment. Each order is thoroughly analysed coordinating the heat producer’s capabilities with the needs of the heat consumer by means of communication, only afterwards performing the construction work. It is a guarantor for the maximum satisfaction of the customer needs and the achievement of the company’s quality and management system provisions.