A 4 Ton Rooftop Unit (RTU) is an industrial HVAC system designed for large commercial buildings. This system is mounted on the roof and designed to provide heating, cooling, and ventilation in one integrated unit. It is an efficient and cost-effective way to keep a large building comfortable year-round. RTUs are energy-efficient and long-lasting, making them a great choice for those looking to save money over time on their energy costs. RTUs also offer superior air qualquality control, providing healthier air to breathe while keeping temperatures in check. Investing in a 4 Ton Rooftop Unit is a great choice for any business or organization looking to keep their building comfortable and their energy costs low.