energy star for commercial refrigerators and freezers ...€¦ · success of energy star • more...
TRANSCRIPT
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ENERGY STAR® for Commercial Refrigerators and Freezers
Online Stakeholder Meeting
February 28, 2008
Rachel Schmeltz, U.S. EPABijit Kundu, ICF International
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Presentation Overview
• Welcome and Introductions• ENERGY STAR Goals and Information• Background on Version 1.0 Commercial Refrigerator and
Freezer Specification• Specification Revision Rationale and Timeline• Overview of Draft 1 Version 2.0 Proposed Changes
– Volume categorization– New product categories – Updated test procedure– Food-grade distinction
• Data Analysis• Next Steps• Q&A / Discussion
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What is ENERGY STAR?
• A public private partnership to increase sales of energy efficient products and services
• A national government-backed label to designate products that save energy and help the environment
– Jointly sponsored by the U.S. Environmental Protection Agency and the U.S. Department of Energy
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ENERGY STARGuiding Principles
EPA considers the following criteria when selecting products to pursue, setting specifications and revising specification
• Significant energy savings can be realized on a national basis
• Product performance is maintained or enhanced with increased energy efficiency
• Purchase of higher efficiency product is cost effective
• Energy efficiency can be achieved through several technology options
• Energy consumption and performance can be measured and verified with testing
• Labeling differentiates products and is visible for purchasers
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Success of ENERGY STAR
• More than 70% of Americans recognize the ENERGY STAR label
• More than 1,700 manufacturing partners have qualified over 40,000 ENERGY STAR product models across over 50 product types
• About 500 utilities and 40 and state partners promote ENERGY STAR
• In 2006 alone, Americans purchased more than 300 million ENERGY STAR qualified products – Saving $14 billion on their energy bills– Preventing greenhouse gas emissions equivalent to the annual
emissions of 25 million vehicles
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ENERGY STAR inCommercial Food Service
• Restaurants and commercial kitchens use approximately 2.5 times more energy per square foot than other commercial buildings
– 20% of the energy consumption in a typical food service facility is used for refrigeration.
• Outfitting an entire kitchen with a suite of ENERGY STAR equipment could save operators about 285 Mbtu/year, or approximately $2,500 per year
• Replacing all existing commercial solid door refrigerators and freezers in the U.S. with ENERGY STAR qualified models would result in savings of almost $320 million per year
– Equivalent of eliminating the emissions from 475,000 cars
• More than 25 utilities/organizations offer incentives on the purchase of ENERGY STAR qualified commercial foodservice equipment
– 14 of these offer incentives on commercial refrigeration equipment
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Background: Version 1.0 Commercial Refrigerator and Freezer Specification
• Currently the types of hinged, solid door, commercial refrigerators, freezers, ice cream freezers (-5°F), and refrigerator-freezers that may qualify are
– Reach-in Cabinets– Undercounter Cabinets– Roll-in or Roll-through Cabinets– Pass-through Cabinets
• Only applicable to food-grade equipment
• Test procedure: ASHRAE Standard 117-1992, “Method of Testing Closed Refrigerators” with following temperature specifications
– Refrigerator: 38 degrees ± 2 degrees F– Freezer: 0 degrees ± 2 degrees F– Ice cream: –5 degrees ± 2 degrees F
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Success of Version 1.0 Specification
• 22 Manufacturing Partners
• 1513 Qualified Products– 793 Refrigerators– 704 Freezers– 15 Refrigerator-Freezers– 1 Ice Cream Freezer
• Market share of qualified units represent 35-44% of the marketplace
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Rationale for Revision
• Current ENERGY STAR specification has been in place since September 2001
• Market share of ENERGY STAR qualified refrigerators and freezersrepresent 35-44% of the marketplace
• In 2005, Congress passed new Federal minimum efficiency standards that make current ENERGY STAR levels mandatory for all commercial refrigerators and freezers as of January 1, 2010 – Energy Policy Act of 2005 (EPAct 2005)
• Manufacturers’ interest to add new subcategories
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Proposed Timeline forVersion 2.0 Specification
February 28, 2008Host online stakeholder meeting to collect feedback on Draft 1April 10, 2008
Deadline for partners to submit comments and supporting data for Draft 1 May 5, 2008
Distribute Draft 2 Version 2.0
February 14, 2008Distribute Draft 1 Version 2.0
May 19, 2008 - NRAHost stakeholder meeting to discuss Draft 2
June 9, 2008Deadline for partners to submit comments on Draft 2June 23, 2008
Distribute Draft 3 Version 2.0July 14, 2008Deadline for partners to submit comments on Draft 3July 31, 2008
Distribute Final Draft Version 2.0September 1, 2008Version 2.0 finalized
May 1, 2009Version 2.0 specification effective date
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Draft 1 Version 2.0: Volume Ranges
• Proposed new energy consumption levels based on volume ranges
– Volume ranges (in cubic feet) for all product types based on section sizes0 < V < 2020 ≤ V < 3030 ≤ V < 7070 ≤ V
– If single line fit to data, 25% of models overall would qualify, but not uniformly across all volume categories
– With new approach: 25% of models in each volume category would qualify
– Volume measured using ANSI/AHAM HRF-1-2004 (AHAM volume) is explicit in specification
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Draft 1 Version 2.0:Other Proposed Changes
• Inclusion of sliding door units and glass door units
• Drawer units originally included in Draft 1– These units will now not be included in this revision due to inapplicability of
ANSI/ASHRAE 72 to these units
• Update test procedure to ANSI/ASHRAE 72-2005
• Ice cream freezer integrated average product temperature for testing:-15 degrees F (correspond to EPAct 2005)
– Need data at these test conditions to establish specification
• Draft 1 only applicable to food-grade equipment– Food-grade explicit in current definitions– Laboratory-grade equipment: energy efficient requirements being developed
under a separate effort• Once final, lab-grade requirements will be incorporated into this specification
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Data Analysis
• Data sources used– ENERGY STAR Qualifying Product List– California Energy Commission Appliance Efficiency Database– Consortium for Energy Efficiency Qualified List
• Data sets cover most solid and glass door refrigerators and freezers
• In every volume category for each product type– Proposed ENERGY STAR spec represents 25% of models– Ensure that multiple manufacturers were represented within the 25%
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15
Volume vs. Energy Consumption for Commercial Solid-Door Freezers: 0 - 20 cu ft (n=64)
y = 0.3007x + 0.3
0
2
4
6
8
10
12
0 5 10 15 20 25
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y) Proposed Tier2 ENERGYSTAR
Not Qualify Qualify
# of models 47 17
% 73.4% 26.6%
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16
Volume vs. Energy Consumption for Commercial Solid-Door Freezers: 20 - 30 cu ft
(n=234)
y = 0.6757x - 7.2
0
5
10
15
20
25
30
15 20 25 30 35
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y) Proposed tier2 ENERGYSTAR
Not Qualify Qualify# of models 175 59
% 74.8% 25.2%
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17
Volume vs. Energy Consumption for Commercial Solid-Door Freezers: 30 - 70 cu ft
(n=342)
y = 0.07x + 10.971
0
5
10
15
20
25
30
35
25 30 35 40 45 50 55 60 65 70 75
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hrs
/day
)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# of models 253 89
% 74.0% 26.0%
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18
Volume vs. Energy Consumption for Commercial Solid-Door Freezers: 70 and
greater cu ft (n=152)
y = 0.5696x - 24
05
101520253035404550
65 75 85 95 105 115 125 135Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify
# of models 113 39
% 74.3% 25.7%
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19
Volume vs. Energy Consumption for All Commercial Solid-Door Freezers (n=792)
05
101520253035404550
0 20 40 60 80 100 120
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
0 - 20 cu ft
20 - 30 cu ft
30 - 70 cu ft
70 cu ft andabove
Proposed Tier 2ENERGY STAR
Not Qualify Qualify0 - 20 cu ft 47 17
% 73.4% 26.6%20 - 30 cu ft 175 59
% 74.8% 25.2%30 - 70 cu ft 253 89
% 74.0% 26.0%70 cu ft and above 113 39
% 74.3% 25.7%Totals 588 204
% 74.2% 25.8%
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20
Volume vs. Energy Consumption for Commercial Solid-Door Refrigerators: 0 - 20 cu ft (n=217)
y = 0.04x + 1.25
00.5
11.5
22.5
33.5
44.5
5
0 5 10 15 20 25
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y) Proposed Tier 2ENERGY STAR
Not Qualify Qualify# of models 165 52
% 76.0% 24.0%
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21
Volume vs. Energy Consumption for Commercial Solid-Door Refrigerators: 20 - 30 cu ft (n=295)
y = 0.3x - 3.95
0
1
2
3
4
5
6
7
8
15 20 25 30 35
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# of models 216 79
% 73.2% 26.8%
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22
Volume vs. Energy Consumption for Commercial Solid-Door Refrigerators: 30 - 70 cu ft (n=336)
y = 0.01x + 4.75
0123456789
10
25 30 35 40 45 50 55 60 65 70 75
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# of models 250 86
% 74.4% 25.6%
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23
Volume vs. Energy Consumption for Commercial Solid-Door Refrigerators: 70 and greater cu ft (n=109)
y = 0.04x + 2.65
0
2
4
6
8
10
12
14
65 85 105 125Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Proposed Tier2 ENERGYSTAR
Not Q ualify Q ualify
# of m odels 73 36% 67.0% 33.0%
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24
Volume vs. Energy Consumption for All Commercial Solid-Door Refrigerators (n=902)
0
5
10
15
20
0 20 40 60 80 100 120
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
0 - 20 cu ft
20 - 30 cu ft
30 - 70 cu ft
70 cu ft andabove
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify0 - 20 cu ft 165 52
% 76.0% 24.0%20 - 30 cu ft 216 79
% 73.2% 26.8%30 - 70 cu ft 250 86
% 74.4% 25.6%70 cu ft and above 73 36
% 67.0% 33.0%Totals 704 253
% 73.6% 26.4%
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25
Volume vs. Energy Consumption for Commercial Glass-Door Refrigerators: 0-20 cu ft (n=102)
y = 0.1x + 1.8
0
1
2
3
4
5
6
0 5 10 15 20 25
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# 77 27
% 74.0% 26.0%
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26
Volume vs. Energy Consumption for Commercial Glass-Door Refrigerators:
20 - 30 cu ft (n=83)
y = 0.12x + 1.4
0
1
2
3
4
5
6
7
8
15 20 25 30 35Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# 61 22
% 73.5% 26.5%
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27
Volume vs. Energy Consumption for Commercial Glass-Door Refrigerators:
30 - 70 cu ft (n=99)
y = 0.1x + 2
0
2
4
6
8
10
12
14
25 30 35 40 45 50 55 60 65 70 75Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# 75 24
% 75.8% 24.2%
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28
Volume vs. Energy Consumption for Commercial Glass-Door Refrigerators: 70 and greater cu ft
(n=23)
y = 0.3x - 12
0
5
10
15
20
25
30
65 70 75 80 85Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# 17 6
% 73.9% 26.1%
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29
Not Qualify Qualify0 - 20 cu ft 77 27
% 74.0% 26.0%20 - 30 cu ft 61 22
% 73.5% 26.5%30 - 70 cu ft 75 24
% 75.8% 24.2%70 cu ft and above 17 6
% 73.9% 26.1%Totals 230 79
% 74.4% 25.6%
Volume vs. Energy Consumption for All Commercial Glass-Door Refrigerators (n=306)
0
5
10
15
20
25
30
0 20 40 60 80 100
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hr
s/da
y)
Undercounter-Refrigerators
Single Section-Refrigerators
Tw o-SectionRefrigerators
Three Section-Refrigerators
Proposed Tier 2ENERGY STAR
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30
Volume vs. Energy Consumption for Commercial Glass-Door Freezers: 0 -20 cu ft (n=46)
y = 0.31x
0
2
4
6
8
10
12
0 5 10 15 20 25
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hrs
/day
)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# 35 11
% 76.1% 23.9%
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31
Volume vs. Energy Consumption for Commercial Glass-Door Freezers: 30 - 70 cu ft
(n=27)
y = 0.6499x - 7.4
0
10
20
30
40
50
60
25 30 35 40 45 50 55 60 65 70 75
Internal Volume (Cu. Ft.)
Ener
gy C
onsu
mpt
ion
(kW
-hrs
/day
)
Proposed Tier2 ENERGYSTAR
Not Qualify Qualify# 20 7
% 74.1% 25.9%
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Next Steps: Data Collection
• Data request from manufacturers– Ice cream freezers– Refrigerator-Freezer units– Glass door freezers
• Data collection form distributed with Draft 1and available on the Web site
– Please use this form to submit data
• Deadline for submitting data: April 10, 2008– Difficult to extend deadline due to meeting at NRA (May 19, 2008)
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• Stakeholders are strongly encouraged to provide comments on Draft 1 by April 10. Comments on
– Definitions– Volume categories– Temperature parameters– Effective date– Any other aspect of spec
• EPA would appreciate feedback on areas of spec where stakeholders agree
• EPA will collect comments/feedback to create Draft 2– All comments will be posted on the ENERGY STAR Web site unless commenter
requests otherwise
• EPA’s target to distribute Draft 2: May 5– Stakeholder meeting at NRA: May 19– Stakeholder comments due on Draft 2 : June 9
Next Steps: Comments
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Stakeholder Discussion
QUESTIONS?
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Contact Information
Rachel SchmeltzENERGY STAR Program(202) [email protected]
Bijit KunduICF [email protected]
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Adjournment
THANK YOU!