REVIEWED BLD2021-0496+Energy_Information+4.7.2021_3.56.52_PM+2133437IBImperial
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Imperial Brown's Walk-in Coolers and The 2015 International Energy
Conservation Code
Below is a description of the requirements from. Section C403.2.16 and how Imperial Brown's walls -in
coolers meet and/or exceed these requirements.
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Efficiency Regulation Requirements
Components
1
Automatic door closers are required for
Cooler door has Kason #1094 closer and
hinged doors that measure 3'-9" wide and
freezer doors have Kason #1097 closers.
7'-0" high or smaller.
2
Strip doors, spring hinged doors, or other
Cooler door has Kason 1248 hinges and
method of minimizing infiltration when
freezer doors have Kason 1277 hinges.
doors are open.
3
Walls shall be provided with insulation
Imperial Brown walk-ins use BASF
having a thermal resistance of not less than
polyurethane foam and meet or exceed these
R-25, ceilings shall be provided with
requirements based on industry standard
insulation having a thermal resistance of not
ASTM C-518 testing,
less than R-25 and doors of walk-in coolers
and walk-in freezers shall be provided with
Wall and ceiling panels along with the
insulation having a thermal resistance of not
cooler and freezer doors are 4" thick with
less than R-32.
an R-Value of 8.05 per inch.
4
The floor of walk-in freezers shall be
Imperial Brown walk-ins use BASF
provided with insulation having a thermal
polyurethane foam and meet or exceed these
resistance of not less than R-28
requirements based on industry standard
ASTM C-518 testing.
On the freezer, the insulation thickness of
the floor is 3 1/" with an R-Value of 8.06
perinch.
5
Transparent reach -in doors for and windows
All glass reach -in doors and glass view
in opaque walk-in freezer doors shall be
windows supplied by Imperial Brown met
provided with triple pane glass having the
or exceed these requirements.
interstitial spaces filled with inert gas or
provided with heat -reflective treated glass.
Not applicable in this project as there are
no transparent windows or doors on the
freezer.
6
Transparent reach -in doors for and windows
All glass reach -in doors and glass view
in opaque walk-in cooler doors shall be
windows supplied by Imperial Brown met
double -pane heat -reflective treated glass
or exceed these requirements.
having the interstitial space gas filled.
Glass reach -in doors on this job are two
pane and gas filled.
2271 NE 194t', Portland OR 97230 - Phone: 800.238.40931503.665.5539 - Fax: 503,665,2929
209 tong Meadow Dr., Salisbury NC 28147 - Phone: 800.438.23161704,636,5131 -- Fax: 704,637.0919
www.imperial-brown.com
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7
Evaporator fan motors that are less than 1
The evaporator fan motors are
hp and less than 460 volts shall be
electronically commutated.
electronically commutate motors or 3 phase
motors.
8
Condenser fan motors that are less than 1 hp
Condenser fan motors are permanent
in capacity shall be of the electronically
split capacity.
commutated or permanent split capacitor -
type or shall be 3 phase motors.
Exception: Fan motors in walk-in coolers
and walk-in frezers combined in a single
enclosure great than 3,000 square feet in
floor area are exempt.
9
Anti -sweat heaters that are not provided
Cooler door does not have anti -sweat
with anti -seat heater controls shall have
heaters. Freezer door anti -sweat heaters
shall have a total power draw of less than
have 30' of heater wire at 4.4 watts per
7.1 watts per square foot of opening for
foot. Door opening is 28.52 square feet.
walk-in freezers and not greater than 3.0
Total watts per square foot of opening is
watts per square foot of opening for walk-in
4.62 watts per square foot.
coolers.
10
Antisweat heater controls shall be capable
Not applicable on this project.
of reducing the energy use of the antisweat
heater as a function of the relative humidity
in the air outside the door or to the
condensation on the inner glass plane.
11
Light sources have an efficacy of not less
LED lights from Component Hardware,
than 40 lumens per watt, including any
LED48X6218W. 2900 Lumens, 1.8 watts.
ballast losses or shall be provided with a
161 lumens per watt.
device that automatically turns the lights off
within 15 minutes of when the walk-in
cooler or walk-in freezer was last occupied.
NOTE: The requirements and solutions on this sheet refer to walk-in coolers and freezer that are less than
3,000 square feet.
2271 NE 194t^, Portland OR 97230 — Phone: 800.238.40931503.665.5539 — Fax: 503.665.2929
209 Long Meadow Dr., Salisbury NC 28147 — Phone: 800.438.23161704.636.5131 — Fax: 704,637.0919
www.imperial-brown.com