Underfloor insulation
Thermal resistance below living areas.
Zoning (HVAC)
Room-specific temperature control.
Zone valves
Controls for floor heating circuits.
Zinc cladding
Durable alternative to aluminum or wood.
Zero-carbon building
No net CO₂ emissions from use/construction.
Zero waste goal
Minimal leftover during construction.
Utility room
Designated space for washing and storage.
User interface
pps or displays to manage building systems.
Urban heat island
Higher urban temperatures due to materials.
U-value
Measure of heat flow through a material; lower = better.