![]() Used to cool only one room at a time, window air conditioners contain the air handler and condenser in a single unit. Depending on the system size, Freon costs for mini-splits may range from $100–$300. Since they’re smaller than central AC systems, they require less refrigerant. They don’t require ductwork, so they’re easier to install, but they do have both an indoor and outdoor unit. Mini-split systems are smaller than central air conditioners, and they’re usually set up to control temperature in individual rooms. Refrigerant for heat pumps is measured approximately the same way as for central AC units -2–4 pounds per ton of cooling-so the Freon refill cost is similar at $150–$600. These systems move hot air outdoor in the summer and indoor in the winter. Heat PumpĪ heat pump works differently than an air conditioner, but it still requires refrigerant to run. Since most home air conditioners have a size of about 1.5–2 tons, they will cost $150–$600 to fully recharge. Remember that central AC systems take about 2–4 pounds of Freon for every ton of cooling. To work, the refrigerant must run through both units. They’re composed of two units: an indoor air handler and an outdoor condenser. Ĭentral air conditioners cool entire homes using a network of ducts that carry air to multiple rooms. Here are the material and total installation costs for common refrigerants. If not, you will have to replace your old air conditioner. ![]() You may still be able to get R-22 refrigerant for older systems, but it’s very expensive and difficult to find and most R-22 systems can be converted to run on other types. R-22 Freon used to be the most popular type, but because it’s a chemical that depletes the ozone layer, it is being phased out in the United States under Section 608 of the Clean Air Act. Other R-400 series refrigerants are used in cars or commercial applications. R-410A refrigerant, sometimes sold under the brand name Puron, is the most common for home AC systems and refrigerators made after 2010. You will need to use whichever type your system is built to run on. The different types also have slightly different chemical makeups and are named with an R followed by a number. Different types of refrigerant come with different costs by weight. ![]()
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