Here is some data about the complexity and scope of today's BV².
BV² (version 10.9.1) consists of 121 million characters of code. 77 million of these are pure computational code. The rest is code that describes the appearance in menus.
BV² consists of 6,055 subroutines, with the largest being 161,509 characters in size.
BV² has 433 menu window classes.
BV² has 163 property classes, in a total of 6 million characters of code.

Those with subscriber licenses to BV² get direct access to new features that are continuously added. Many of these features are desired and added following user requests. When BV² has received a certain number of new features, or after a certain time, the designation is changed to a new version, which can then be purchased with a non-time-limited license.

BV² quickly adapts to changes in regulatory requirements. New BBR requirements are continuously incorporated. We also try to introduce help to make it as easy as possible to see how the building's properties match the set requirements.

Some of the new features in BV2 10 are:

- Easy loading and use of all Sveby's standardized climate files, with possibilities for degree-day display of the selected climate.

- Easy option to change designations so printouts coincide with the project.

- Implementation of a heat pump with power and temperature-varying heat coefficients.

- Limitation of the heat pump's power based on the energy available in the source.

- Multiple heat pumps using the same source.

- Use of power tariffs.

- Easy addition of loss in energy consumption as indicated by Boverket (Swedish National Board of Housing, Building and Planning).

- Display of indoor temperature to determine operative temperature.

- Calculation assistance based on air tightness testing.

- Solar cell and selection of its consumers with priority.

- Display of solar cell producer.

- Possibility to calculate primary energy numbers in detail, including with own values.

- Define building according to BBR.

- Specify how the ground slab connects to the ground and description of any basement.

- Sankey diagram of the results.

- Total concept analys.

- Total concept measures edits.

- Defination of using times.