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In HVAC, a package unit (also called a packaged HVAC unit or rooftop unit/RTU) is a self-contained heating and cooling system where all major components are housed in a single cabinet. It’s typically installed on rooftops or on a concrete pad outdoors. Key Features All-in-one system: Contains the compressor, condenser, evaporator coil, blower, and controls in one unit. Common in commercial buildings and some homes without attic or indoor furnace space. Easy installation because there’s no need to run refrigerant lines between indoor and outdoor units. Saves indoor space since everything is outside. Types of Packaged Units 1. Packaged Air Conditioner Cooling only (may include electric heat strips). 2. Packaged Heat Pump Provides both cooling and heating via heat pump. 3. Packaged Gas/Electric Unit (Gas Pack) Cooling via AC + heating via gas furnace. 4. Packaged Dual-Fuel Unit Heat pump + gas heat backup. Advantages Simpler installation and maintenance Lower indoor noise Good for buildings without room for indoor equipment Disadvantages Exposed to weather → shorter lifespan than split systems Less efficient than some high-end split systems If you want, I can explain how they work, help you choose one, or compare it to a split system. Thanks For Watching Please Subscribe My Channel    / @mudassiralisahu381