One of the most important things you can do for your customers is to ensure that their refrigerant system is working properly. Of all the things that can go wrong with an air conditioner¿s refrigerant system, the most common is undercharge.
A study commissioned by Arizona Public Service, an Arizona utility, found that more than 70% of split systems tested were at least 5% low on refrigerant. As you know, low refrigerant charge impacts compressor reliability, as well as efficiency and performance.