Emitters
[emitters tab intro, with sidebar diagram covering sections below]
Adding radiators
Drag and drop, edit gif
Existing radiators should be added to the Surveyed plan.
Adding underfloor heating or other emitters
Add underfloor heating gif
Emitters tab > ⋯ three dots > 🡥 See room details
Radiator upgrades
delete, drag + drop, edit radiator in sidebar gif
Where these are being upgraded, these should be deleted and replaced from design options rather than edited.