Founded by Joakim and Jonathan Järvinen, the family business designs building services for new construction and renovations. It offers HVAC design and consultancy for different building types, as well as independent checks of HVAC plans.
Projects can be supported from the first design meeting through to handover, including HVAC site supervision. With HeatSons Oy, the company also provides HVAC design-and-build projects under a single responsibility arrangement.
Review your design or site supervision project below to help other construction clients choose.




