No, you are generally not obligated to give your old air conditioner unit to the company if you buy a new one from them. The purchase of a new air conditioner does not typically involve any mandatory exchange or trade-in of your old unit.
However, some HVAC companies or retailers may offer a trade-in or recycling program as an option for customers who want to get rid of their old air conditioner responsibly. In such cases, they may provide incentives or discounts on the new unit in exchange for the old one. This is often done to encourage proper disposal of old units and promote environmentally friendly practices.
If you are interested in trading in or recycling your old air conditioner, you can inquire with the company you are buying the new unit from to see if they offer any such program. Alternatively, you can explore other local recycling or disposal options for electronic waste to ensure your old air conditioner is disposed of properly and in accordance with local regulations. Many areas have dedicated recycling centers or pickup services for large appliances like air conditioners, which can help prevent them from ending up in landfills and contribute to a more sustainable environment.