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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The common, but outdated, refrigerant called R-22 is a type of hydrochlorofluorocarbon.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
UNIQUE UGP-595L W AC R-600a R-600a (GWP:3 | Lower GWP) November 23, 2023
Midea MRT21D3B** R-600a R-600a (GWP:3 | Lower GWP) November 14, 2023
THOR KITCHEN XRF3016BBP R-600a R-600a (GWP:3 | Lower GWP) November 13, 2023
THOR KITCHEN XRF3619BFP R-600a R-600a (GWP:3 | Lower GWP) November 13, 2023
Zline RBSO-ST-24 R-600a R-600a (GWP:3 | Lower GWP) November 10, 2023
Zline RWDO-GS-24 R-600a R-600a (GWP:3 | Lower GWP) November 10, 2023
Midea MRT18D1B** R-600a R-600a (GWP:3 | Lower GWP) November 1, 2023
Midea MRT18D2B** R-600a R-600a (GWP:3 | Lower GWP) November 1, 2023
Midea MRT18D4B** R-600a R-600a (GWP:3 | Lower GWP) November 1, 2023
Conservator GRMH141A* R-600a R-600a (GWP:3 | Lower GWP) October 27, 2023
Insignia NS-RTM14SS5-C R-600a R-600a (GWP:3 | Lower GWP) October 27, 2023
Insignia NS-RTM14WH5-C R-600a R-600a (GWP:3 | Lower GWP) October 27, 2023
U-Line U-2224RGLINT-00B R-600a R-600a (GWP:3 | Lower GWP) October 3, 2023
U-Line U-29RB-00A R-600a R-600a (GWP:3 | Lower GWP) October 3, 2023
U-Line UHBV524-IS01A R-600a R-600a (GWP:3 | Lower GWP) October 3, 2023
Frigidaire FFHT2022A* R-600a R-600a (GWP:3 | Lower GWP) September 28, 2023
Frigidaire FFHT2022A* R-600a R-600a (GWP:3 | Lower GWP) September 28, 2023
Smad DDT-744WMU R-600a R-600a (GWP:3 | Lower GWP) September 21, 2023
True Refrigeration TUR-24-*-*G-C R-600a R-600a (GWP:3 | Lower GWP) September 15, 2023
Smad DDT-517WSMU R-600a R-600a (GWP:3 | Lower GWP) September 13, 2023
LG LT13C2000* R-600a R-600a (GWP:3 | Lower GWP) September 5, 2023
Samsung RF30BB6602** R-600a R-600a (GWP:3 | Lower GWP) August 31, 2023
LG LF29S8230* R-600a R-600a (GWP:3 | Lower GWP) August 28, 2023
LG LB22T2100* R-600a R-600a (GWP:3 | Lower GWP) August 25, 2023
LG LF22T6200* R-600a R-600a (GWP:3 | Lower GWP) August 25, 2023
LG LF22T6220* R-600a R-600a (GWP:3 | Lower GWP) August 25, 2023
ZLINE, HALLMAN, SAVALO RBIV-30 R-600a R-600a (GWP:3 | Lower GWP) August 23, 2023
FULGOR MILANO, BERTAZZONI, VITARA, FORTE, KUCHT, HALLMAN, SAVALO FM4BM36IFBI R-600a R-600a (GWP:3 | Lower GWP) August 23, 2023
SAPPHIRE; MAXXIMUM SR243SS R-600a R-600a (GWP:3 | Lower GWP) August 23, 2023
SAPPHIRE; MAXXIMUM SW243SZSS R-600a R-600a (GWP:3 | Lower GWP) August 23, 2023
LG LS23C4000* R-600a R-600a (GWP:3 | Lower GWP) August 20, 2023
Beko BFBF2414SSIM R-600a R-600a (GWP:3 | Lower GWP) August 18, 2023
Beko BFBF2414WHIM R-600a R-600a (GWP:3 | Lower GWP) August 18, 2023
Blomberg BRFB1046SS R-600a R-600a (GWP:3 | Lower GWP) August 18, 2023
Samsung RF27CG5010** R-600a R-600a (GWP:3 | Lower GWP) August 17, 2023
Samsung RF27CG5100** R-600a R-600a (GWP:3 | Lower GWP) August 10, 2023
Midea MRT14B3A** R-600a,1.9 R-600a (GWP:3 | Lower GWP) August 6, 2023
Fisher & Paykel RS2474S3**# R-600a R-600a (GWP:3 | Lower GWP) August 4, 2023
Avanti FF14D0W-4 R-600a R-600a (GWP:3 | Lower GWP) August 4, 2023
Avanti FF14D3S-4 R-600a R-600a (GWP:3 | Lower GWP) August 4, 2023

Lowest GWP Freezers

Model Refrigerant Type GWP Inital Sale Date
Kenmore KRFU210AWE R-600a R-600a (GWP:3 | Lower GWP) September 20, 2023
Kenmore KCFU210AWE R-600a R-600a (GWP:3 | Lower GWP) September 20, 2023
True Refrigeration TUF-24-*-**-C R-600a R-600a (GWP:3 | Lower GWP) September 15, 2023
Fisher & Paykel RS2474F3**# R-600a R-600a (GWP:3 | Lower GWP) August 4, 2023
BANGSON US-BSR-017-2 R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-017-1 R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-017 R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-017-3 R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-017A R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-019 R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-019-1 R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-019A R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-019-3 R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
BANGSON US-BSR-019-2 R-600a R-600a (GWP:3 | Lower GWP) June 20, 2023
Criterion CUF66C1W R-600a R-600a (GWP:3 | Lower GWP) May 24, 2023
Criterion CUF36C1W R-600a R-600a (GWP:3 | Lower GWP) April 15, 2023
Liebherr SF5291 R-600a R-600a (GWP:3 | Lower GWP) March 1, 2023
Sub-Zero CL3650F/S/*/* R-600a R-600a (GWP:3 | Lower GWP) November 4, 2022
Sub-Zero DEC3650FI/* 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
Lowest GWP Freezers And Fridges

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