Zone valves
Controls for floor heating circuits.
Zero waste goal
Minimal leftover during construction.
Zinc cladding
Durable alternative to aluminum or wood.
Zoning (HVAC)
Room-specific temperature control.
Zero-carbon building
No net CO₂ emissions from use/construction.
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.