Junction detailing
Smart construction of meeting points.
Joule efficiency
Efficiency of energy conversion devices.
Joist insulation
Thermal barriers within floor/roof joists.
Joint sealing
Airtight detailing of panel seams.
Joint layout
Seam alignment in panelized construction.
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.