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Alternative Refrigerants
Low and Medium-Temperature Commercial Refrigeration
Long-Term Replacements
| ASHRAE # | Trade Name | Manufacturer | Replaces | Type | Lubricant (a) | Applications | Comments |
|
R-507 |
AZ-50 |
AlliedSignal |
R-502 & |
Azeotrope |
Polyol Ester |
New Equipment & |
Close Match to R-502; higher efficiency than R-22 at low temperature |
| 507 |
Dupont |
||||||
|
R-404A |
404A |
AlliedSignal |
R-502 & HCFC 22 |
Blend |
Polyol Ester |
New Equipment & Retrofits |
Close Match to R-502; higher efficiency than R-22 at low temperature |
|
HP62 |
Dupont |
||||||
|
R-407D |
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 |
HP80 |
Allied Signal |
R-502 |
Blend |
Alkylbenzene |
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
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