我也看到这个说法，不知真假啊。所有空调都内循环吗？ https://www.delcohvac.com/do-air-conditioners-take-in-outside-air/ Do air conditioners bring in outside air? In short, no. Though in split system air conditioners design, commonly heat pumps, part of your system is located outside your home, it does not take in outside air. Its main operational purpose of cooling the air in your home is not achieved by moving cool air inside, but by moving unwanted heat out.
我也看到这个说法，不知真假啊。所有空调都内循环吗？
https://www.delcohvac.com/do-air-conditioners-take-in-outside-air/ Do air conditioners bring in outside air? In short, no. Though in split system air conditioners design, commonly heat pumps, part of your system is located outside your home, it does not take in outside air. Its main operational purpose of cooling the air in your home is not achieved by moving cool air inside, but by moving unwanted heat out.
什么是新风系统？