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Lowest Global Warming Potential Refrigerators And Freezers

Many refrigerants — the material in a freezer or refrigerator that are used to create a cooling effect — are harmful to the Earth’s atmosphere. As a result, they are labeled as having high “Global Warming Potential” or GWP.

Low GWP freezers and refrigerator do exist and can be spefically shopped for. These appliances usually used R-600a or R-441A refrigerants.

GWP ratings vary depending if you are looking at the number for the 25-, 50-, or 100-year impact of that material on the atmosphere. Lower numbers are better, so an ideal number would be 0, but ratings of 3 an under are considered good.

The common, but outdated, refrigerant called R-22 is a type of hydrochlorofluorocarbon. It’s sometimes labeled as HCFC-22 and has a GWP rating of about 1800 (100-year rating). On the other side of the spectrum there are substances like refrigerant grade ammonia (R-717) which has a GWP of 0, marking a vast improvement.

R-600a, or Iso-Butane, is an increasingly popular refrigerant 2022 thanks to its affordable price and low GWP (about 3). R-600 is commonly found in residential and small commercial refrigerators, freezers, water coolers, and drink dispensers.

Lowest GWP Refrigerators

Model Refrigerant Type GWP Inital Sale Date
LG LRFES2503* R-600a R-600a (GWP:3 | Lower GWP) January 20, 2023
Samsung RF25C5151** R-600a R-600a (GWP:3 | Lower GWP) January 13, 2023
Samsung RS23CB7600** R-600a R-600a (GWP:3 | Lower GWP) January 13, 2023
Gorenje, Asko, Hisense VCS5297TPGVCS5297TPG R-600a R-600a (GWP:3 | Lower GWP) January 10, 2023
Samsung RF25C5551** R-600a R-600a (GWP:3 | Lower GWP) January 6, 2023
Samsung RS28CB7600** R-600a R-600a (GWP:3 | Lower GWP) January 6, 2023
Crosley CFDMH2257AS R-600a R-600a (GWP:3 | Lower GWP) January 4, 2023
Beko BFSB3622XSS R-600a R-600a (GWP:3 | Lower GWP) January 1, 2023
Insignia NS-RTM20**#*** R-600a R-600a (GWP:3 | Lower GWP) December 29, 2022
Insignia NS-RTM20SS3 R-600a R-600a (GWP:3 | Lower GWP) December 29, 2022
mbm MRF7B R-600a R-600a (GWP:3 | Lower GWP) December 15, 2022
mbm MRF7S R-600a R-600a (GWP:3 | Lower GWP) December 15, 2022
mbm MRF7W R-600a R-600a (GWP:3 | Lower GWP) December 15, 2022
mbm MRN14B R-600a R-600a (GWP:3 | Lower GWP) December 15, 2022
mbm MRN14S R-600a R-600a (GWP:3 | Lower GWP) December 15, 2022
mbm MRN14W R-600a R-600a (GWP:3 | Lower GWP) December 15, 2022
LG LRFS28XB* R-600a R-600a (GWP:3 | Lower GWP) December 7, 2022
Signature Kitchen Suite SKSFD4826* R-600a R-600a (GWP:3 | Lower GWP) December 7, 2022
Beko BBBF3019IMWESS R-600a R-600a (GWP:3 | Lower GWP) November 30, 2022
Beko BFFD3614ZSS R-600a R-600a (GWP:3 | Lower GWP) November 30, 2022
Beko BFFD3616ZSS R-600a R-600a (GWP:3 | Lower GWP) November 30, 2022
Blomberg BRFB1920SS R-600a R-600a (GWP:3 | Lower GWP) November 30, 2022
KOOLMORE RERFDSS-22C R-600a R-600a (GWP:3 | Lower GWP) November 29, 2022
LG LRFS28XB* R-600a R-600a (GWP:3 | Lower GWP) November 25, 2022
Hamilton Beach HBF2067 R-600a R-600a (GWP:3 | Lower GWP) November 24, 2022
Maytag MRFF5033P* R-600a R-600a (GWP:3 | Lower GWP) November 18, 2022
Whirlpool WRFF5333P* R-600a R-600a (GWP:3 | Lower GWP) November 18, 2022
Sub-Zero DET3050R**/* R-600a R-600a (GWP:3 | Lower GWP) November 18, 2022
Sub-Zero DET3650R**/* R-600a R-600a (GWP:3 | Lower GWP) November 18, 2022
Midea MRF29D3ABB R-600a R-600a (GWP:3 | Lower GWP) November 17, 2022
Midea MRF29D3AST R-600a R-600a (GWP:3 | Lower GWP) November 17, 2022
Midea MRF29D3AWW R-600a R-600a (GWP:3 | Lower GWP) November 17, 2022
Sub-Zero CL3050U**/S/*/* R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Sub-Zero CL3650R**/S/*/* R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Sub-Zero CL3650U**/S/*/* R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Insignia NS-CF33BK#*** R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Insignia NS-CF33BK3 R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Insignia NS-CF33BK3-C R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Insignia NS-CF33SS#*** R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Insignia NS-CF33SS3 R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022

Lowest GWP Freezers

Model Refrigerant Type GWP Inital Sale Date
Sub-Zero CL3650F/S/*/* R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Sub-Zero DEC2450FI/* R-600a R-600a (GWP:3 | Lower GWP) September 26, 2022
Sub-Zero DEC3050FI/* R-600a R-600a (GWP:3 | Lower GWP) September 26, 2022
Sub-Zero DEC3650FI/* R-600a R-600a (GWP:3 | Lower GWP) September 26, 2022
FINLUX 2451 DUF1650WH R-600a R-600a (GWP:3 | Lower GWP) July 5, 2022
LG LROFC1114* R-600a R-600a (GWP:3 | Lower GWP) April 30, 2022
Magic Chef MCUF3BE R-600a R-600a (GWP:3 | Lower GWP) April 28, 2022
Magic Chef MCUF3STE R-600a R-600a (GWP:3 | Lower GWP) April 28, 2022
Magic Chef MCUF3WE R-600a R-600a (GWP:3 | Lower GWP) April 28, 2022
Midea MRC07M7AWW R-600a R-600a (GWP:3 | Lower GWP) April 21, 2022
Arctic King MRU03M2ABB R-600a R-600a (GWP:3 | Lower GWP) February 9, 2022
WINIA WRSR036H**E# R-600a R-600a (GWP:3 | Lower GWP) December 10, 2021
Whirlpool WZC3209LW R-600a R-600a (GWP:3 | Lower GWP) October 20, 2021
Frigidaire FFUE2022A* R-600a R-600a (GWP:3 | Lower GWP) August 23, 2021
INFIGO NFU*21**** R-600a R-600a (GWP:3 | Lower GWP) April 30, 2021
Marvel MLFZ*24-IS*1A R-600a R-600a (GWP:3 | Lower GWP) March 22, 2021
Marvel MLFZ*24-SS*1A R-600a R-600a (GWP:3 | Lower GWP) March 22, 2021
Marvel MOFZ*24-SS*1A R-600a R-600a (GWP:3 | Lower GWP) March 22, 2021
Marvel MPFZ*24-IS*1A R-600a R-600a (GWP:3 | Lower GWP) March 22, 2021
Marvel MPFZ*24-SS*1A R-600a R-600a (GWP:3 | Lower GWP) March 22, 2021
Lowest GWP Freezers And Fridges

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