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.