Friedrich X-Star XQ10M10 9,500 BTU Window Air Conditioner Cooling Only, Mechanical Controls, R410A Refrigerant, 115 Volt Friedrich is known for manufacturing some of the worlds most durable air conditioners. You wont believe some of the places youll find us. Friedrich air conditioners are made from higher grade materials and components that delivery dependable operation for years. But dont take our word for it. Some of our customers are business that operate in harsh environments where equipment just has to work. Period. Oil companies rely on us to cool offshort oil rigs, and we can be found on military bases and in government offices all over the world. Friedrich air conditioners are in use at Northrop Grumman, Eastman Chemical and the Kennedy Space Center, just to name a few. If we can handle their jobs, just think how well we will perform in your home. Heavy 20-gauge steel will stand the test of time. Aluminum rear grille protects unit from damage and vandalism. Virtually no other manufacturer offers this feature. Solid sleeve top keeps out falling debris which can obstruct the fan and prevent it from turning. And, Friedrich room air conditioners feature aluminum endplates which wont rust like our competitors. Larger, commercial grade fan motor runs at lower temperatures than smaller motors which protects against overheating and contributes to a longer life span for the product. Sound levels as quiet as a gentle rain. Advanced airflow technology based on cutting edge engineering lets more air through as space increases so noise is minimized. Vibration isolating design absorbs motion and sound to reduce unwanted noise. Heavy duty side curtains or solid masonite side wings block outside noise and light. Numerous Energy Star qualified models to choose from. Save hundreds of dollars in operating costs over a 10-year unit life compared to less efficient units. High efficiency compressors, high-tech Sine Wave, lanced louvers and rifled copper tubing are at the heart of every unit.