The Smart Home service aims at building an integrated solution to provide smart home and wellbeing services based on a cross-domain data space, which will be further opened for other users as well. The main challenges are: interoperability of the technology solutions, secure and trustful data sharing, appropriate user-experience design of the mobile apps, etc. FI-Home will make possible life in a smart home to be: comfortable; healthy; safe; resource efficient; environment friendly; informed; exciting. The main functionalities of the FI-Home service will be: control over the house microclimate; monitoring thermodynamic energy balance; keeping track of energy expenditure of the house; seamless data and control compatibility among different equipment providers; variety of alerting and predicative algorithms to minimize power losses and negative environmental impact of the house.