|
Master-Bilt provides walk-in coolers and freezers that
meet the U.S. Green Building Council's LEED prescriptives as outlined below. |
|
|
|
ITEM |
ATTRIBUTE |
PRESCRIPTIVE MEASURE |
BASELINE FOR
ENERGY COST BUDGET |
MASTER-BILT |
|
Envelope |
Freezer insulation |
R-46 |
R-36 |
YES |
|
Cooler insulation |
R-36 |
R-20 |
YES |
|
Automatic closer doors |
Yes |
No |
YES |
High
efficiency
low/no heat reach-in doors |
40 W/ft.
of door frame
(low temperature)
17 W/ft. of door frame (medium temperature) |
40 W/ft.
of door frame
(low temperature)
17 W/ft. of door frame (medium temperature) |
YES |
|
Evaporator |
Evaporator fan motor and control |
Shaded
pole and split phase motors are prohibited. Use PSC
or EMC motors.
|
Constant
speed fan |
YES* |
Hot gas
defrost |
No electrical defrosting |
Electric defrost |
YES* |
|
Condenser |
Air-cooled condenser fan motor and
control |
Shaded pole and split phase motors
are prohibited. Use PSC or EMC motors. Add condenser
fan controllers |
Cycling one speed fan |
YES |
|
Air-cooled condenser design
approach |
Floating head pressure controls
or ambient subcooling |
10° F to 15° F dependent on
suction temperature |
YES |
|
Lighting |
Lighting
power density
(W/sq. ft.) |
0.6 W/sq. ft.
|
0.6 W/sq. ft. |
YES |
'