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Bacons Shoes - Shoe Shop
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Bacons Shoes in Dudley, part of the Stylo Barratts chain of shoe shops, sought a low cost method of keeping the city centre shop cool whilst still keeping the door open.

In a very competitive market running costs were also a significant factor.

wall-mounted-cooler

An externally mounted EcoCooler feeds cooled air to the area over the suspended ceiling which acts as a plenum chamber. Standard grills are installed where the air flow is required. The grills can be easily relocated to either change the air flow distribution or reflect changes in the layout of the shop.

air-flow-diagram

The EcoCooler can only run when the front door is open and a contact made in the control system. In manual operation there are five fan speeds and the option of pure ventilation or evaporative cooling. In automatic mode a combined thermostat/humidistat automatically controls the operation of the EcoCooler to achieve a set room temperature.

door-switch

The performance of an evaporative cooler is dependent upon the ambient weather conditions. The hotter the air and the lower the relative humidity the greater the cooling effect. The charts below show the performance of evaporative cooling in Birmingham, UK and analysing the actual performance of an EcoCooler in this climate.

Evaporative cooling performance, 2005 Birmingham

performance-2005-birmingham

The weather in Birmingham, in common with other temperate climates, follows a pattern of hot times of the day coinciding with low relative humidity. This means the greatest cooling effect occurs at the hottest times of the day. When the air is cool the EcoCooler operates in ‘Vent’ mode and acts as a pure ventilator. During hotter periods ‘Cool’ mode is used which, in Birmingham, can provide up to 9°C of cooling.

Temperature frequency, 2006 Birmingham

An evaporative cooler in this climate can consistently provide comfortable temperatures. It can be seen from above that there were 36 days in 2005 where the ambient temperature exceeded 21°C with a maximum of 29°C. The cooled air from an EcoCooler would never have exceeded 21°C during this period.

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