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R22 Phase Out General Recommendations

Generally Danfoss recommends to replace the R22 systems with new ones, using alternative refrigerants.

The main arguments to build new systems are:

• Higher reliability of new systems
• Higher efficiency / energy savings
• Lower service costs / warranty on system
• Reduced carbon footprint

However, if you have to use drop-in replacements of R22, on this page you can find a few Danfoss recommendations on what you can do. Danfoss takes no liability in case of malfunction of the systems with drop-in refrigerants.

R22 Phase Out

Achieving R22-free operation

In meeting the compliance deadlines, operators can pursue new-build or re-trofit strategies to cater for introduction of R22 substitutes.
Danfoss recommends investment in new plant purpose-built for R22 substitutes as the most economic and environmentally friendly solution in the long term.
Alternatively, existing plant can be retrofitted with hermetic compressors and controls to run on R22 substitutes, following a series of modifications and checks to ensure system reliability:
R22 Phase Out

Worldwide R22 Countdown

The Montreal agreement has triggered new discussion of R22 substitutes. This technical paper gives an overview on the composition and properties of the existing refrigerants, inclu-ding R22 substitutes.
R22 Phase Out

Greenhouse Gases, Climate Change and R22: What’s the next phase?

R22 Alternatives for 2010: Options and Opportunities.
R22 Phase Out

R22 Retrofit

This document from Danfoss Commercial Compressors gives a thorough description of the retrofit or drop-in considerations, scenarios and process.

Danfoss Pumped CO2 Solution Sales Brochure

This brochure describes the advantages of using CO2 as a secondary fluid instead of using a water-based brine/glycol.

Danfoss - Your CO2 Solutions Provider

Danfoss - Your CO2 Solution Provider

CO2 has absolutely zero ozone depletion effect, and its global warming potential is negligible in the amounts used for industrial and commercial refrigeration.

Danfoss can provide a variety of products for cascade applications, as well as developing trans-critical solutions.