Retrotec USACE User Manual

Page 466

IND6 ENERGY & PROCESS ASSESSMENT PROTOCOL

canopy hood use, D24
dilution ventilation for processes, D23–D24
excessive dampers for air balance, D18
hot air exhausted outside, D20
loose fan belts, D18
motors more than 3 hp and under 85%

efficient, D23

multiple hoods, D21–D22
operation when not needed, D19
process ventilation operating when process turned

off, D21

supply outlets close to exhaust grilles, D25
use of conditioned air for hood makeup air, D19
Virtual training facilities
computer server rejects heat into air-conditioned

space, D147

heat rejection into air-conditioned space, D145
power conditioners reject heat into air-conditioned

space, D145–D146

simulator manned modules and rejection of heat into

air-conditioned bay, D146

unnecessary low room air temperature, D144

Walls
insulation, damaged or poor-quality, D5
insulation, poor, D1–D2
interior, painted in dark colors, D8
multiple penetration in air barrier, D3
thermal bridges in, D4
Waste, defi ned, D1
Water systems
condensate water, discharging, D43–D44
heat trace equipment, D42–D43
high-pressure pumps for remote locations, D43
leaks,

D412

unused water supply, D43
Welding
continuous operating exhaust, use of, D115–D116
fume generation, excessive, D116–D117
stationary hoods, D116
Windows
failure of seals, D12–D13
large single-pane windows in residential and offi ce

buildings, D14

and old buildings, K8–K10
signifi cant wall area fi lled with single-pane windows,

D13

single-pane with frames without thermal breaks,

D11–D12

Retrofi t design guidance, chilled water systems. See

Chilled water systems retrofi t design guidance

Roofs
fl at, poorly insulated, D7
metal, with low refl ective paint, D7
sloped, poorly insulated, D6
standing seam metal, with openings to interior, D9
Rules of thumb, utility system ECMs
compressed air systems, I4–I7
energy management and economics, I1
HVAC & R systems, I3–I4
steam systems, I2–I3

Smart meters and submeters, 12–13
Storage areas
doors, large, slow, D130
high lighting levels, D131
lighting during day, D132
space temperatures, maintaining in winter, D130
truck docks, D131

Thermography, infrared (IR), in building energy

assessment

applications, other, and supporting methods, G25–G27
background,

G3–G5

buildings and, G12–G14
energy losses in buildings, G15–G18
factors

infl uencing images, G11–G12

heat transfer modes, G12
infrared camera, G5–G10
operation time, G18
overview,

G1–G2

results, interpretation of, G18–G24
thermal calculations, G24
thermal performance survey
blower

door,

G28

heating system measurements, G29
moisture

measurements,

G28

other

measurements,

G29

questionnaire and document study, G29
relative humidity measurements, G28
thermal

scanner,

G27

ventilation and IAQ measurements, G28
training,

Vacuum systems, D117–D118
Ventilation system
air movement greater than 100 fpm near exhaust

hoods, D20