95
3.13
3.13.1.1 Site Related
Energy
Buildings located to utilize winter sun, prevailing winds, and
Conservation
natural land forms.
Landscaping and planting to shade the building from summer
sun and to block winter winds.
East/west orientation of long axis of buildings.
3.13.1.2 Building Envelope
New or replacement insulation: thicknesses, insulating
values, insulation placement, and vapor barriers.
Energy efficient windows: reduced glass area, the number of
panes, light transmission and reflectivity, type of
window construction, window placement, double/
triple glazed windows, etc.
Protection of windows from direct summer sun: overhangs,
shades, blinds, solar films, tinted glass, solar screens
and plantings.
Weather stripping and caulking to reduce infiltration.
Entrance vestibules.
Building shapes or frames with low exterior surface to
volume ratio.
Maximize advantage of winter solar heat gain and natural
Earth contact design, such as full or partial wall berms or
underground structures.
3.13.1.3 Distribution System
Pipe and duct insulation.
New or replacement steam traps.
Adjustable flow rates on fans and pumps to carefully match
load.
3.13.1.4 HVAC Equipment
System zones based on the Tenant profile of the building.
High-efficiency boilers, furnaces and unit heaters.
Multiple boilers for better part load efficiencies.
Waste heat recovery devices.
High-efficiency air conditioning equipment.
Time clocks and setback thermostats.
Low leakage dampers.
Economizers.
High-efficiency filters to reduce ventilation and power usage.
Tempered air to exhaust hoods.
Computer-based energy management systems.
UFC 4-171-05
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