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  Click here to learn more about DuPont™ ISCEON® MO29, the worldwide R-22 retrofit refrigerant for refrigeration.

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Contact the ISCEON® Team





With the R-22 and HCFC phaseout on the horizon, DuPont Refrigerants is committed to providing products and services to help our industry transition to environmentally sustainable solutions.


Our continuing development of ISCEON® refrigerants, non-ozone depleting alternatives to meet the Montreal Protocol accelerated HCFC phaseout schedule, are a part of this necessary effort.

 

Why Retrofit?


Retrofitting to HFCs puts your business in a position to avoid expected R-22 supply shortages, pricing volatility, and labor shortages, and can even provide you with a low-cost supply of R-22.


Are You Prepared for the HCFC Phaseout?


Time is running out for HCFCs.
» View the Countdown Clock


Which ISCEON® Product is Right for Me?

  DuPont HFC Retrofit Options for Direct Expansion Systems
HCFC Refrigerants
Being Phased Out
Low-Temp
Refrigeration
Medium-Temp
Refrigeration
Air Conditioning
R-22 ISCEON® MO29
ISCEON® MO79
ISCEON® MO29 Suva® 407C
ISCEON® MO29
ISCEON® MO59
MP39, MP66, R-409A ISCEON® MO49Plus ISCEON® MO49Plus ISCEON® MO49Plus
HP80, HP81, R-408A ISCEON® MO79 ISCEON® MO79  
(1) ISCEON® MO29 has higher efficiency and capacity vs. R-22; mineral oil compatible; TXV changes not likely.

(2) ISCEON® MO79 has higher capacity vs. ISCEON® MO29; mineral oil compatible; TXV change, condenser capacity assessment and pressure rating check required.

(3) ISCEON® MO49Plus™ has comparable efficiency and capacity vs. MP39 and R-409A; ISCEON® MO49Plus™ has comparable efficiency and lower capacity than MP66; mineral oil compatible; TXV changes not likely.

(4) ISCEON® MO79 has comparable capacity and efficiency; no TXV change; no capacity assessment or pressure rating check required.
(1) ISCEON® MO29 has comparable efficiency and lower capacity vs. R-22; mineral oil compatible; TXV changes not likely.

(2) ISCEON® MO49Plus™ has comparable efficiency and capacity vs. MP39 and R-409A;  ISCEON® MO49Plus™ has comparable efficiency and lower capacity than MP66; mineral oil compatible; TXV changes not likely.

(3) ISCEON® MO79 has comparable capacity and lower efficiency; mineral oil compatible; TXV change, condenser capacity assessment and pressure rating check required.
(1) Suva® 407C has comparable efficiency and capacity vs. R-22; requires POE oil; no TXV change.

(2) ISCEON® MO29 has lower capacity vs. R-22; mineral oil compatible; TXV change likely.

(3) ISCEON® MO59 has lower capacity vs. R-22; mineral oil compatible; TXV change not likely.

(4) ISCEON® MO49Plus™ has comparable capacity and slightly lower efficiency than MP39 and R-409A. ISCEON® MO49Plus™ has lower capacity and efficiency than MP66; mineral oil compatible; TXV changes not likely.

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