Air Curtains for Cold Store.

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Thermoscreens CS Air Curtain: Enhancing Cold Storage Efficiency and Safety.

Understanding Air Curtains

An air curtain is a device designed to create a seamless air barrier over the entrance of a room or building, effectively separating different environments without restricting access. It works by blowing a controlled stream of air across the opening, creating a thermal barrier that maintains interior climate conditions. This technology is particularly beneficial in temperature-sensitive environments, such as cold storage facilities, where it prevents the escape of cold air and the entry of warm air, thereby enhancing energy efficiency and indoor comfort.

Energy Efficiency and Cost Savings

The Thermoscreens CS (Cold Store) Air Curtain is specifically designed for cold storage environments. Its primary function is to conserve energy by preventing the loss of expensive conditioned air. This innovative system significantly reduces the workload on existing condensers and chillers, leading to substantial cost savings. By maintaining a consistent internal temperature, the CS Air Curtain not only lowers energy consumption but also operational costs, making it an essential addition to any cold storage facility.

Advanced Technology for Climate Control

Positioned inside the cold store, the air curtain employs energy-efficient EC fans to recirculate ambient air, creating a robust thermal barrier. This barrier is crucial in preventing the ingress of warm external air, thereby maintaining the cold store’s internal conditioned environment. Thermal imaging results demonstrate the air curtain’s effectiveness in creating a clear temperature distinction between the cold internal environment and the warmer external air, ensuring optimal climate control.

Preventing Ice Build-Up

A unique feature of the CS Air Curtain is its built-in frost protection, which minimizes the buildup of hoarfrost and ice – common issues in traditional cold storage. This not only enhances safety for employees who are trying to transport goods in and out, but also reduces costs related to frequent defrosting and equipment maintenance.

Sustainable and Efficient Alternative

The CS Air Curtain offers a more sustainable and efficient solution compared to traditional methods like PVC strip curtains or insulated doors. These conventional methods often fail to maintain constant climate separation, leading to energy loss and increased costs. In contrast, the CS Air Curtain provides effective climate separation without the need for frequent replacements or maintenance, thereby reducing overall costs and environmental impact.

Impact on Sustainability

The CS Air Curtain contributes significantly to sustainability in the cold chain. Its efficient EC fans and ability to maintain stable temperatures reduce the need for frequent defrost cycles, thereby saving energy and operational costs. This reduction in energy usage not only lowers carbon emissions but also decreases the frequency of service visits, further reducing carbon footprint.

Cost and Environmental Benefits

Integrating the CS Air Curtain into cold stores can lead to substantial savings and environmental benefits. With potential annual savings of £15,472 and a reduction of 23,322kg CO2 per year for a typical cold store, the air curtain offers a quick return on investment. Additionally, by eliminating the need for PVC strips, it significantly reduces plastic waste, contributing to a more sustainable operation.

Comprehensive Monitoring System

The CS Air Curtain can also be equipped with a sophisticated monitoring system, including temperature sensors and a door switch to track temperature changes and door opening frequency. This system provides valuable insights into the air curtain’s impact on maintaining internal conditions and the resultant energy savings.

The graph below shows the cold store once the air curtain was installed. As seen in the graph, the temperature is greatly increased when the Air Curtain fan was turned off and the door was open (orange). However, as seen by the line in the graph, once the Air Curtain fans were turned on there was very little difference in temperature when the door was open (less than 3 degrees)

In summary, the Thermoscreens CS Air Curtain is an innovative, efficient, and sustainable solution for cold storage facilities, offering significant energy and cost savings, enhanced safety, and reduced environmental impact.

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