Mitsubishi Ductless Split System Air Conditioner. R22.

Consumers looking for a new air conditioner should note that the type of refrigerant used models you are considering. R22 models are still available, although it asked manufacturers to stop making R22 2010. Many manufacturers have already made the switch, but some still have older models that want to sell. This is not illegal, however, there are some issues that consumers may want to consider.

Best Ductless Split System. The Difference Between R-22 and R-410A.

R410A is certainly more environmentally friendly than R-22, because it does not emit hydrofluorocarbons as R-22 does. R410A therefore does not damage the ozone layer. But this is not the only advantage. R410A refrigerant is actually better for several reasons. First, R410A transfers heat in either direction (absorbing and releasing) more easily than R22, which makes a more efficient cooling. This means that the unit can operate at cooler temperatures, keeping the air cooling capability. This reduces substantially the risk of overheating and extends the life of your unit.

 

Ductless Split System Air Conditioners. R410A.

In addition, the lubricant used with R410A is synthetic, designed to mix better than those used with R22. This means that the coolant flows more easily, also results in less wear. R410A operates at higher pressures than R22. An interesting side effect is that, since they are thicker.

Split Air Conditioning Systems. Refrigerants – Physical Properties.

The different physical properties of the two refrigerants require different system designs, and are not interchangeable. This means that the costs for recharging R22 will go up, as it becomes scarce. The U.S. has called for a complete change by 2015, when it will be illegal to use even for recharging recycled R-22 systems. This has not happened yet, so older units must remain in service for a while. But why buy a new one that is facing this future, when there is a better option.