Quiet operation
Low-noise heat pumps and ventilation.
Quarterly performance check
Regular energy and comfort evaluation.
Quantification of savings
Measurement of energy/water savings over time.
Quick assembly
Reduced build time through prefab techniques.
Quality control
Monitoring and testing during production and 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.