A.G. Coombs issues advice on commercial HVAC refrigerants


A.G. Coombs has developed an update on its information about refrigerant use for industrial HVAC units.

“As the planet grapples with rising temperatures brought on by the emission of greenhouse gases, refrigerants are underneath renewed scrutiny,” A.G. Coombs states. “Common refrigerants are categorized as greenhouse gases, which can be hundreds or even a thousand moments even worse from a global warming possible (GWP) compared to the equal volume of normal refrigerants this sort of as carbon dioxide (CO2).”

The Advisory Take note is specific, furnishing details on the HFC stage-down and Montreal Protocol, the point out of the existing refrigerant sector, HFC possibilities, refrigerant traits, and an evaluation of what the phase-down signifies for industrial HVAC methods.

Considering that the period-out of chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs), the most prevalent form of refrigerant obtainable in the market place these days are hydrofluorocarbons (HFCs).

“The big issue with HFCs occur from their world wide warming prospective,” the be aware advises. “GWP is a bodily assets of greenhouse gases, which indicates the propensity of the gas to entice atmospheric warmth.”

The observe goes on to clarify the HFC section-down is a gradual reduction in the maximum quantity of HFCs permitted to be imported into Australia.

“The composition of the Australian governing administration HFC phase-down is geared in the direction of restricting the importation of HFC gases, with a see of encouraging marketplace forces to identify the most effective resolution,” the observe says. “As these kinds of, it is helpful to notice the industry to see what adjustments, developments and innovations are taking location.”

So, what does this imply for business HVAC units?

“With the stage-down of HFC refrigerants, there will be diminished source, and this is probable to consequence in raising price tag of the fuel over time,” states A.G. Coombs. “This has been observed with an growing price tag of R134a more than the previous five decades.”

The note advises maintaining an exact asset timetable of all incorporating HFC refrigerants, speaking with mechanical upkeep companies to recognize any HFC plant working inefficiently, making ready a refrigerant administration strategy, examining chiller plant alternative techniques, and thought of units that can offer both of those cooling and heating at the exact same time to leverage charge efficiencies.

“It must be observed that the Kigali agreement is a phase-down and not a stage-out, meaning there are no HFC production bans as there had been with hydrochlorofluorocarbons (HCFCs) these types of as R22,” the observe suggests. “However, it is nonetheless critical to take into consideration the choice of the refrigerants in any new and alternative plant.”

To study the A.G. Coombs Advisory Observe, simply click here.



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