Alternative Refrigerants
Low and Medium-Temperature Commercial Refrigeration
Long-Term Replacements
| ASHRAE # |
Trade Name |
Manufacturer |
Replaces |
Type |
Lubricant (a) |
Applications |
Comments |
R-507
(125/143a) |
AZ-50 |
AlliedSignal |
R-502 &
HCFC 22 |
Azeotrope |
Polyol Ester |
New Equipment &
Retrofits |
Close Match to R-502; higher efficiency than R-22 at low temperature |
507 |
Dupont |
R-404A
(125/143a/134a) |
404A |
AlliedSignal
Elf Atochem |
R-502 & HCFC 22 |
Blend
(small Glide) |
Polyol Ester |
New Equipment & Retrofits |
Close Match to R-502; higher efficiency than R-22 at low temperature |
HP62 |
Dupont |
R-407D
(32/125/134a) |
407D |
ICI |
R-500 |
Blend (Moderate Glide) |
Polyol Ester |
New Equipment & Retrofits |
Slightly Higher Capacity |
R-12 Low Temp. |
Low and Medium-Temperature Commercial Refrigeration
Interim Replacements (b)
ASHRAE # |
Trade Name |
Manufacturer |
Replaces |
Type |
Lubricant (a) |
Applications |
Comments |
R-402A
(22/125/134a |
HP80 |
Allied Signal
Dupont |
R-502 |
Blend
(small glide) |
Alkylbenzene
or Polyol Ester |
Retrofits |
Higher Discharge Pressure than R-502 |
R-402B
(22/125/290) |
HP81 |
Allied Signal
Dupont |
R-502 |
Blend
(small glide) |
Alkylbenzene
or Polyol Ester |
Ice Machines |
Higher Discharge Temperature than R-502 |
R-408A
(125/143a/22) |
408A |
AlliedSignal
Dupont
Elf Atochem |
R-502 |
Blend
(small glide) |
Alkylbenzene
or Polyol Ester |
Retrofits |
Higher Discharge Temperature than R-502 |
Very Low Temperature Commercial Refrigeration
Long Term Replacements
| ASHRAE # |
Trade Name |
Manufacturer |
Replaces |
Type |
Lubricant (a) |
Applications |
Comments |
| R-23 |
HFC-23 |
AlliedSignal
Dupont
ICI |
R-13 |
Pure Fluid |
Polyol Ester |
New Equipment & Retrofits |
Higher Discharge Temperature than R-13 |
R-508B
(23/116) |
508B |
AlliedSignal |
R-13 & R-503 |
Azeotrope |
Polyol Ester |
New Equipment & Retrofits |
|
| 95 |
Dupont |
R-508A
(23/116) |
508A |
ICI |
R-13 & R-503 |
Azeotrope |
Polyol Ester |
New Equipment & Retrofits |
|
Medium Temperature Commercial Refrigeration
Long Term Replacements
| ASHRAE # |
Trade Name |
Manufacturer |
Replaces |
Type |
Lubricant (a) |
Applications |
Comments |
R-134a |
HFC-134a |
AlliedSignal
Dupont
Elf Atochem
ICI |
CFC-12 |
Pure Fluid |
Polyol Ester |
New Equipment & Retrofits |
Close Match to CFC-12 |
Medium Temperature Commercial Refrigeration
Interim Replacements (b)
ASHRAE # |
Trade Name |
Manufacturer |
Replaces |
Type |
Lubricant (a) |
Applications |
Comments |
R-401A
(22/152a/124) |
MP39 |
AlliedSignal
Dupont |
CFC-12 |
Blend (Moderate Glide) |
Alkylbenzene or Polyol Ester or in some cases Mineral Oil (d) |
Retrofits (c) |
Close to CFC-12 Use where evap temperature -10ºF or Higher |
R-401B
(22/152a/124 |
MP66 |
AlliedSignal
Dupont |
CFC-12 |
Blend
(moderate glide) |
Alkylbenzene or Polyol Ester |
Transport (c)
Refrigeration Retrofits |
Close to CFC-12Use where evap. temperature below-10ºF |
R-500 |
Alkylbenzene or Polyol Ester or in some cases Mineral Oil (d) |
Retrofits including Air Conditioners & Dehumidifiers |
|
B-406A
(22/142b/600a) |
GHG |
Peoples Welding Supply |
CFC-12 |
Blend (high glide) |
Mineral Oil or Alkylbenzene |
Retrofits |
Can Segregate to Flammable Composition |
R-409A
(22/124/142b) |
R-409A |
AlliedSignal
Dupont
Elf Atochem |
CFC-12 |
Blend (high glide) |
Alkylbenzene or Polyol Ester or in some cases Mineral Oil (d) |
Retrofits (c) |
Higher capacity than CFC-12. Similar to MP66 |
R-414A (pending)
(22/124/142b/600a) |
Autofrost |
Peoples Welding Supply |
CFC-12 |
Blend (high glide) |
Alkylbenzene or Polyol Ester or in some cases Mineral Oil (d) |
Retrofits |
Similar to 409A |
R-414B (pending)
(22/124/142b/600a) |
Hot Shot |
ICOR International |
CFC-12 |
Blend (high glide) |
Alkylbenzene or Polyol Ester or in some cases Mineral Oil (d) |
Retrofits |
Similar to 409A |
R-416A (pending)
(124/134a/600) |
FRIGC FR-12 |
Intercool Energy |
CFC-12 |
Blend (small glide) |
Polyol Ester |
Retrofits |
Lower Pressure than 134a at high Ambient Conditions |
Commercial and Residential Air Conditioning Long Term Replacements
ASHRAE # |
Trade Name |
Manufacturer |
Replaces |
Type |
Lubricant (a) |
Applications |
Comments |
R-123 |
HCFC-123 |
AlliedSignal
Dupont
Elf Atochem
|
CFC-11 |
Pure Fluid |
Alkylbenzene or Mineral Oil |
Centrifugal Chillers |
Lower Capacity than R-11. With Modifications, equivalent performance to CFC-11 |
R-134a |
HFC-134a |
AlliedSignal
Dupont
Elf Atochem
ICI |
CFC-12 |
Pure Fluid |
Polyol Ester |
New Equipment & Retrofits |
Close Match to CFC-12 |
HCFC-22 |
Pure Fluid |
Polyol Ester |
New Equipment |
Lower Capacity than HCFC-22 Larger Equipment Needed |
R-410A
(33/125) |
AZ-20 |
AlliedSignal |
HCFC-22 |
Azeotropic Mixture |
Polyol Ester |
New Equipment |
Higher Efficiency than HCFC-22 Requires Equipment Redesign |
9100 |
Dupont |
410A |
Elf Atochem |
R-407C
(32/125/134a) |
407C |
AlliedSignal
Elf Atochem
ICI
|
HCFC-22 |
Blend (high glide) |
Polyol Ester |
New Equipment & Retrofits |
Lower Efficiency than HCFC-22 Close Capacity to HCFC-22 |
9000 |
Dupont |
(a) Check with the compressor manufacturer for their recommended lubricant
(b) Interim replacements contain HCFCs, which are scheduled for phaseout under the Montreal Protocol
(c) Not recommended for automotive air conditioning
(d) for more information on when to use mineral oil, see Applications Bulletin GENAP1, "Are oil changes needed for HCFC Blends".
Information Courtesy of AlliedSignal, Inc 1998
