Sivilingeniør Kolloen AS specializes in consulting services within the detailed design of water, sewage and HVAC systems. With over 40 years of experience in the industry, the company has developed a broad expertise that covers various types of construction projects, including residential areas, commercial buildings, public buildings and industrial buildings.
The company places great emphasis on quality in all stages of the design, which helps ensure that the projects meet both technical and functional requirements. Sivilingeniør Kolloen AS is known for its punctuality and affordable services, which has made them a reliable player in their field.



