> For the complete documentation index, see [llms.txt](https://docs.betterbuilding.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.betterbuilding.io/user-guide/2d-building/drawing/add-zones.md).
# Add Zones
A zone is a thermal space that can be air-conditioned, heated or left unconditioned. It’s drawn to the required size and always shares the same height as other zones on the same drawing.
## Add a Zone
Click on the 'Add Zones' symbol to get started, then head back to the drawing space to define your zone by drawing one wall at a time. Before you close the zone, press 'Enter' on your keyboard, give your zone a 'Title', and click 'Set'.
When working with multiple zones, make sure each zone node connects to the adjacent ones. You can use up to 60 nodes per zone. To draw long, straight lines, hold down 'Shift' to lock the direction to the X or Y axis.
## Adjacent Zones
Once you've drawn a zone, you’ll often need to add another one next to it. Start by selecting the first zone, then hold down 'Shift' on your keyboard. A square will appear, letting you snap to a point on the edge and drop a node.
Drag the node into position where the new zone will connect. To keep the movement aligned, hold 'Shift' again to lock the direction to the X or Y axis as you drag. Once the node is in place, click the 'Draw Zones' symbol in the ribbon and sketch out the second zone so it connects seamlessly to the first.
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