User interface

pps or displays to manage building systems.

Utility room

Designated space for washing and storage.

Underfloor insulation

Thermal resistance below living areas.

Urban heat island

Higher urban temperatures due to materials.

U-value

Measure of heat flow through a material; lower = better.

Joule efficiency

Efficiency of energy conversion devices.

Joint layout

Seam alignment in panelized construction.

Joist insulation

Thermal barriers within floor/roof joists.

Junction detailing

Smart construction of meeting points.

Joint sealing

Airtight detailing of panel seams.