HJ-Energi

HJ-Energi A/S is a Danish consulting engineering firm specializing in measurements, investigations and documentation for buildings and construction projects. It helps clients create energy-efficient buildings that meet quality and sustainability requirements, acting as a practical link between design professionals and contractors. The company’s advice is grounded in measured performance, technical analysis and detailed building reviews, with the aim of supporting reliable operation and compliance with client specifications and applicable standards.

Its services include commissioning and functional testing of technical installations and HVAC systems, verifying that equipment is installed, adjusted and operating as intended. HJ-Energi also conducts performance testing to assess system function, indoor climate and energy efficiency, and identifies opportunities to improve building performance. Building quality reviews include one-year and five-year inspections and due diligence.

Additional services cover indoor climate, sound and acoustics, pressure testing, moisture and mould investigations, roof leak detection, lighting, DGNB measurements, energy screening, energy labelling, energy-frame and heat-loss calculations, LCA calculations, sustainability classification and client advisory services.