R407C is a far more eco-friendly refrigerant choice in comparison to an R22 coolant. It doesn't deplete the ozone. Nonetheless, it however contributes to international warming, so it is not the most eco-friendly alternative. Do-it-yourself. Refilling the refrigerant by yourself is just not encouraged for both health and environmental explanations. https://assisix334dzt8.empirewiki.com/user