| 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 |
