完整的空调解决方案的商业应用，包括：空气到空气冷却和heatpumps的。特点：
The Reznor RTU series is a range of packaged Air Conditioning units, providing cooling and heating.Reznor's range of high efficiency packaged rooftop units are available in cooling only and reversible modes. Both are available with energy recovery function as an option.
