How much does it cost to replace refrigerant in ac unit?

This number may vary depending on the city in which you live. Including both materials and labor, this is how domestic air conditioning recharging costs are usually broken down by the size of the air conditioner. If the professional considers that your air conditioner is complete, which means there are too many expensive repairs compared to the replacement price, it would be better to invest in a new air conditioning system. Window air conditioning units are generally smaller and cost less to recharge than centralized air conditioning systems or minisplits. Window air conditioning units cost the least, central air conditioning units cost the most, and ductless mini-split systems fall in the middle.