This software is designed to help within the technique of retrofitting refrigeration techniques that beforehand used R12 refrigerant to function with R134a. It usually takes into consideration components akin to system quantity, working pressures, and desired cooling capability to estimate the suitable quantity of R134a wanted for the conversion. As an illustration, a consumer inputs the unique R12 cost weight, and the calculator supplies an estimated R134a cost weight, sometimes lower than the unique, on account of variations in refrigerant properties.
The necessity arose primarily from environmental issues surrounding R12, an ozone-depleting substance phased out below worldwide agreements. Switching to R134a, a hydrofluorocarbon refrigerant, provided a extra environmentally pleasant different. Such a conversion permits the continued use of present tools whereas minimizing environmental influence and adhering to evolving laws. Traditionally, it was a vital step for sustaining performance in older automobiles and refrigeration items when R12 grew to become scarce and costly.