The California Air Resources Board, as part of their Short Lived Climate Pollutants program and Senate Bills 605 and 1383. The resultant CARB goals is to reduce emissions of hydrofluorocarbon gases by 40% below 2013 levels by 2030. California signed SB 1013 in August of 2018, codifying SNAP 20 and 21 into law, primarily applying to equipment manufacturers. *The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.

1. The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.
CARB Regulations
A P R I L 2 0 1 9

2. CARB
S L C P
The California Air Resources Board, as part of their
Short Lived Climate Pollutants program and Senate Bills
605 and 1383. The resultant CARB goals is to reduce
emissions of hydrofluorocarbon gases by 40% below 2013
levels by 2030. California signed SB 1013 in August of 2018,
codifying SNAP 20 and 21 into law, primarily applying to
equipment manufacturers. Timings were published in a
March 2018 presentation, modified only to push overall
first compliance to January 1, 2020.
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.

3. CARB
T I M E L I N E
2018 2019 20202014 2015 2016 2017
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3
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4
Q
1
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2
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3
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4
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1
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2
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3
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4
Q
1
Q
2
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3
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4
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1
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3
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CARB Meeting
March 2018
• CARB approves new rules requiring phase-out of certain HFCs
• Announces intent to advance SB 1013
SNAP 20/21 Law in CA
August 2018 - Governor signs SB 1013 to codify DOE SNAP 20 and 21 into law
Compliance #1
January 2019
• Supermarket refrigeration and remote CDUs
• <2,200Btuh MT stand alone
• Stand alone refrigeration units
Compliance
#2
January 2020
• >2,200 Btuh MT
stand alone
Compliance #3
January 2021
• Food processing and dispensing
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.

4. CARB
D A T E S
End-use (equipment or material)
Prohibition date for new equipment
and retrofits
Current Industry Status
Supermarket Refrigerant and Remote
Condensing Units
September 1, 2018 (Federal prohibition
date was January 1, 2016 – 2018)
Industry has already transitioned
Stand-alone Refrigeration Units January 1, 2019 - 2020 Approved alternatives are currently in use
in some applications
Refrigerated Vending Machines January 1, 2019 Approved alternatives available now;
preferred alternative not currently allowed
in some locations
Refrigerated Food Processing &
Dispersing Equipment
January 1, 2021 Approved alternatives are available now
Foams (certain uses) September 1, 2018 (Federal prohibition
date was January 1, 2017)
Industry has already transitioned
Now January 1, 2019
From March 23, 2018 CARB presentation, “Proposed Regulation for Prohibitions on Use of Certain High Global Warming
Hydrofluorocarbons in Stationary Refrigeration Equipment and Foams”
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.

5. CARB
M E A S U R E M E N T
Same requirements as EPA in certain categories
Application Supermarket
Remote CDU Stand-Alone
(Split
Systems)
Med Temp
<2,200 BTUH
Med Temp
>2,200 BTUH
Low Temp
Compliance
Date
1-Jan-17 1-Jan-18 1-Jan-19 1-Jan-20 1-Jan-20
Key Delisted
Refrigerants
R-404A, R-
507A
R-404A, R-
507A
R-404A, R-
507A
R-404A, R-
507A
R-404A, R-
507A
Key
Acceptable
Refrigerants
R-134a, R-
407A/C/F, R-
448A, R-449A,
R-744
R-134a, R-
407A/C/F, R-
448A, R-449A
R-290, R-744
(Now* R-448A,
R-449A)
R-290, R-744
(Now* R-448A,
R-449A)
R-134a, R-290,
R-448A, R-
449A, R-744
* - Not part of original rule, but now allowed via Letter of Completeness
Food Retail/Service – New installations 20
Application Supermarket
Remote CDU Stand-Alone
(Split
Systems)
Med Temp
<2,200 BTUH
Med Temp
>2,200 BTUH
Low Temp
Compliance
Date
20-Jul-16 20-Jul-16 20-Jul-16 20-Jul-16 1-Jan-20
Key Delisted
Refrigerants
R-404A, R-
507A
R-404A, R-
507A
R-404A, R-
507A
R-404A, R-
507A
R-404A, R-
507A
Key
Acceptable
Refrigerants
R-134a, R-
407A/C/F, R-
448A, R-449A,
R-744
R-134a, R-
407A/C/F, R-
448A, R-449A
R-134a, R-290,
R-744 (Now*
R-448A, R-
449A)
R-290, R-744
(Now* R-448A,
R-449A)
R-134a, R-290,
R-448A, R-
449A, R-744
* - Not part of original rule, but now allowed via Letter of Completeness
Food Retail/Service – Retrofit installations 20
Application
Refrigerated Food
Dispensing Equipment
Refrigeration: Cold
Storage Warehouse
Air Conditioning: Positive
Displacement Chillers
Compliance Date 1-Jan-21 1-Jan-23 1-Jan-24
Key Delisted
Refrigerants
R-134a, R-404A, R-407A,
R-407C, R-407F, R-410A,
R-507A
R-404A, R-407A, R-507A
R-134a, R-404A, R-407C,
R-410A, R-507A
Key Acceptable
Refrigerants
R-448A, R-449A
R-407 C/F, R-448A, R-449A,
R-717, R-744
R-407A/F, R-448A, R-449A
* - Not part of original rule, but now allowed via Letter of Completeness
Cold Storage and Chiller Air Conditioning 21
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.

6. CARB
G W P V S C H A R G E
• Working GWP vs. Charge Limits, now
• Stationary Refrigeration
– GWP <150 in systems with >50 pounds of refrigerant
– GWP <1500 in systems with 20 pounds to 50 pounds
of refrigerant
– Effective: January 1, 2021
• Industry working with AHRI, now!
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.

7. CARB
A D D I T I O N A L S C O P E
• Sales Restrictions on Refrigerants
– No production, import, sales, distribution, or
entry into commerce of refrigerants with a
 GWP over 2500 as of January 1, 2020
 GWP over 1500 as of January 1, 2024
– Proposed, not final
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.

8. • 23 Governors
• Bipartisan
• May follow CARB actions
• California
• Colorado
• Connecticut
• Delaware
• Hawaii
• Illinois
• Maine
• Maryland
• Massachusetts
• Michigan
• Minnesota
• Nevada
• New Jersey
• New Mexico
• New York
• North Carolina
• Oregon
• Puerto Rico
• Rhode Island
• Vermont
• Virginia
• Washington
• Wisconsin
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.
Visit www.usclimatealliance.org
US CLIMATE ALLIANCE
L I K E L Y T O F O L L O W !

9. CARB
C O M P L I A N C E
• Reporting & Marking
– June 26, 2017*: Report AWEF values and include AWEF marking on medium
temperature condensing units
• Medium Temperature Condensing Units
– January 1, 2020**: Equipment must meet minimum AWEF valuesŧ
• Low Temperature Condensing Units & All Unit Coolers
– July 10, 2020**: Equipment must meet minimum AWEF values and all new
units must include AWEF markingŧ
*Units must be marked and reported, but are not required to meet minimum AWEF targets.
**AWEF compliance is based on date of manufacture.
ŧThe DOE requires that the equipment manufacturer certify to DOE all equipment complies with
minimum efficiency regulations.
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.

10. • Heatcraft and Lennox International will
continue to advocate for our customers and
our industry
• We all have a responsibility to protect our
planet and the environment
• We’re committed to leading the charge!
The information is provided for informational purposes only and is based on information, legislation and litigation activities that are subject to change on short notice. The information provided should not merely be relied upon without consideration of your particular situation or
any additional unique facts and circumstances. Moreover, the laws are subject to change. We recommend that you review the applicable laws and regulations and consult legal counsel, if necessary, to ensure you are in compliance with the regulations.
THANK YOU!