Because R-410A operates at higher pressures than R-22, use of this coolant also requires that compressors be built to withstand these increased pressures.
R-410A is often the coolant of choice for new system designs because it absorbs and releases a greater amount of heat than R-22, allowing the A/C compressor to run cooler, and thus decreasing the risk of the compressor burning out from overheating.
COOLANT FOR CAR AC PLUS
It is also energy efficient and easy to use in most air conditioning systems, plus many components are now available that contribute to the ease of designing R-410A systems that operate efficiently. The reason for this is that it combines highly efficient performance with a direct GWP value that is close to the value of R-22. R-410A is a good choice as a long-term coolant option for both light commercial and residential air conditioning systems.
This is a high-glide coolant and has lower efficiency than others, but because it has similar pressures to R-22 it provides the simplest conversion. R-407C is the closest match to R-22 of all the higher-temperature hydro-fluorocarbon coolant options. R-407C is a hydro-fluorocarbon (HFC), and is preferred because this type of compound doesn’t lead to atmospheric ozone depletion. This coolant goes by the brand names Genetron® 407C and Suva® 407C, among others. This coolant has a single component and no glide, and is used in many big commercial screw chillers. It is the first non-ozone-depleting fluorocarbon coolant to have been successfully commercialized. Because it is a hydro-fluorocarbon (HFC), it doesn’t cause ozone depletion, as older coolants did. This coolant is used in many different refrigeration and air conditioning systems around the world. Use of this coolant is prohibited in all HVAC units after 2015. 
This coolant is a hydro-chlorofluorocarbon (HCFC), a type of coolant that is no longer used because it causes ozone depletion.A common brand name for R-22 is Freon®.R-22 is no longer used for new air conditioning systems, a change that became effective in 2010.The operating pressures for R-410A are significantly higher than R-22, requiring that R-410A systems have components that can work at pressures over 50% higher than R-22 systems.It is the most commonly-used refrigerant for newer, light-commercial and home unitary air conditioning systems.
Since it is a hydro-fluorocarbon (HFC), it does not cause ozone depletion. It may be called Suva® 9100, Genetron® AZ-20®, Puron®, or another brand name. It is common to identify R-410A by a brand name rather than its generic description. This coolant has been approved for use in new HVAC systems. The various types of coolants and their main properties are described below, including the older R-22 that must be replaced with newer coolants. Three of the most popular refrigerants currently in use are R-407C, R-410A, and R-134a, but there are others in use as well. It’s important to understand coolants, to be able to make informed decisions regarding maintenance, repair, and updating of HVAC systems. A variety of different types of coolants are used in newer models of commercial air conditioning systems.
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