Will my air cooler cool my whole house? Jessica 24 November 2021 13:40 Updated An air cooler will only cool down the room it is placed in. Related articles Will my fan be as cool as an air cooler? Can I buy spare ice packs? What's the difference between an air cooler and an air conditioner? How long does the water in your air cooler last? What is the strange smell coming from my air cooler?