Window air conditioners are oftentimes a more economical choice than a central air conditioning unit. The Haier HWF05XC7-2 Energy Star Air Conditioner cools the air and decreases the amount of allergy-causing dust and pollen. The other beneficial features included are: Easy-Access Washable Filter: The filter is easy to locate and take out which makes cleaning it effortless. All Top-Discharge Airflow Pattern: All of the air comes out of the top of the unit, which makes the cooling more concentrated. �Quick Snap� Curtain Install Kit: An installation kit is included so that set up is easy. EnviroClean Coil: This coil is oxidation and rust free. Powerful Cooling: Features 5,200 BTUs of cooling power and a 9.7 EER.