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.
Integrated systems
All services built into the structure.
Inverter technology
Converts solar DC to household AC.
Installation time
Rapid assembly via prefabrication.
Insulated panels (SIP)
Core wall/roof/floor system.
Infiltration capacity
Ground’s ability to absorb rainwater.