The outdoor half of a split system, where refrigerant releases the heat collected inside. Its coil needs clear airflow — cottonwood fluff, grass clippings, and crowding shrubs are its enemies.
Around Baltimore, Annapolis, and the DC metro, cooling decisions revolve around humid Mid-Atlantic summers, correct sizing for row houses and older homes, SEER2 efficiency, and whether a repair or a planned replacement is the smarter long-term spend.