At Spectrum Corporation, we deliver high-performance rooftop packaged unit (RTU) system design solutions engineered for efficiency, reliability, and space optimization. Our RTU systems are ideal for commercial and industrial applications where centralized, all-in-one HVAC solutions are required without compromising indoor comfort and air quality.
Rooftop packaged units integrate cooling, heating, ventilation, and air filtration into a single compact system, making them a cost-effective and scalable solution for modern buildings. Our designs are tailored to meet project-specific requirements while ensuring optimal performance and energy efficiency.
Our Rooftop Packaged Unit Services Include
RTU System Selection & Design
We select and design rooftop units based on precise cooling and heating load calculations, ensuring optimal capacity and efficiency.
Ducting & Air Distribution Design
Efficient duct layout and air distribution systems designed to ensure uniform airflow, temperature control, and occupant comfort.
Ventilation & Fresh Air Integration
Incorporation of fresh air systems to maintain indoor air quality and comply with ventilation standards.
Energy-Efficient Control Systems
Integration of smart control systems and thermostats to optimize performance and reduce energy consumption.
Equipment Layout & Roof Planning
Strategic placement of rooftop units to ensure structural safety, ease of maintenance, and optimal airflow performance.
Our Engineering & Design Approach
We follow a performance-driven and compliance-based design methodology:
Why Choose Spectrum Corporation?
Applications
Our rooftop packaged unit system design services are widely used in:
Efficient, Scalable & Smart HVAC Solutions
Rooftop packaged units offer a flexible and efficient solution for modern HVAC needs. At Spectrum Corporation, we design RTU systems that deliver consistent comfort, improved air quality, and long-term operational savings.
Partner with us to implement reliable and high-performance rooftop HVAC solutions tailored to your project requirements.
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House # 30 (1st Floor), Road #3, Block # F, Banasree, Rampura, Dhaka-1219.

We plan, design, and oversee the installation of a building’s Mechanical, Electrical, and Plumbing systems. Our goal is to ensure these systems are energy-efficient, safe, and fully compliant with local and international building codes.
We use advanced BIM (Building Information Modeling) and 3D clash detection to ensure that pipes, wires, and ducts don’t interfere with each other or the building’s structure. This prevents costly errors during construction.
Yes, we perform detailed thermal and energy modeling to determine the exact size of HVAC units needed, ensuring you don’t overspend on oversized equipment.
Absolutely. We calculate the total building load to specify the correct capacity for transformers and backup diesel generators, ensuring your facility stays powered during grid failures.
Yes, we provide comprehensive interior and exterior lighting designs that balance aesthetic appeal with energy efficiency and safety regulations.
Our designs include potable water supply, waste removal (sewage), rainwater harvesting, and external drainage systems, all optimized for proper pressure and flow.