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Evaporative Cooling
Procool specialise in providing and supporting professional factory cooling, production space cooling, warehouse cooling and cooling for commercial premises at affordable prices, and without any of the issues that make conventional air conditioning impractical for these spaces.
Natural Air Cooling Process
Using a natural process called evaporative cooling, fresh air is cooled and cleaned for a fraction of the price of air conditioning, and with a massively reduced impact on your energy bills and carbon footprint.
Evaporative Cooling -30 Million Installations
Even with an estimated 30 million installations worldwide, evaporative cooling is still relatively new to the UK. However, with its high efficiency, affordable prices and ability to work without the need to seal your factory or change your working practices, it is fast becoming the standard method for cooling factories and storage spaces to make working conditions safe and acceptable, and to protect stock and processes.
Air Cooling Process Comparison Chart
| Evaporative Cooling | Air Conditioning | Forced Ventilation | |
|---|---|---|---|
| Installation Cost | £6,000 | £18,000 | £4,500.00 |
| Energy Costs (hot summer day) | £0.14 per hour | £0.81 per hour | £0.10 per hour |
| Average Temperature Drop Inside the Room | 8 deg C at design conditions, more as it gets hotter outside | 8 deg C at design conditions, less as it gets hotter outside | Reduces temperature to a few degrees above outside temperature in ideal conditions, never better |
| Carbon Emmisions | 1.5 tonnes per year | 12 tonnes per year | 1.5 tonnes per year |
Air Cooling Processes
The chart below compares evaporative cooling with other air-cooling processes, based on a 20m x 20m factory space. For further details or your FREE on-site 'proof of concept' demonstration, please contact us here.
| Permanently Installed Evaporative Cooling | Air Conditioning | Forced Ventilation | Hired Mobile Evaporative Coolers | |
|---|---|---|---|---|
| Energy Costs (hot summer day) | £0.14 per hour | £0.81 per hour | £0.10 per hour | £0.14 per hour, plus ventilation costs |
| Energy Costs (average summer day) | £0.11 per hour | £0.49 per hour | £0.10 per hour | £0.11 per hour, plus ventilation costs |
| Carbon Emissions | 1.5 tonnes per year | 12 tonnes per year | 1.5 tonnes per year | 1.5 tonnes per year |
| Installation Cost | �6,000.00 | �18,000.00 | £4,500.00 | �2,500.00 every year, plus forced ventilation costs to make it work |
| Average Temperature Drop Inside the Room | 8 deg C at design conditions, more as it gets hotter outside | 8 deg C at design conditions, less as it gets hotter outside | Reduces temperature to a few degrees above outside temperature in ideal conditions, never better | 8 deg C if placed in a doorway with extract, typically zero or even a temperature increase if placed close to the work area |
| Air Distribution | Can be the whole room or just problem areas | Whole room. Cold spots can develop close to outlets | Can be the whole room or just problem areas | Very poor �is unlikely to deliver any cooling to the problem area, if placed near a door as required |
| Effect of Increasing Outside Temperature | More cooling with no limit | Less cooling, and then complete failure | Still very little temperature reduction. Often turned off in the afternoons to stop it blowing hot air over people and processes | More cooling ONLY if placed outside, otherwise zero cooling |
| Fresh Air | 100% filtered fresh air | Recirculated stale air. Fresh air should always be introduced, increasing installation costs and reducing performance | 100% fresh air. Can be filtered at extra cost | Needs fresh air to work, but there is rarely enough available where the cooling is needed |
| Operating Conditions | Doors and windows can be left open. Through traffic has no effect | Doors and windows must be closed to create an enclosed environment | Doors and windows can be left open | Must be placed close to a source of 100% fresh air |
| Effect on Humidity | Neutral when properly designed. Can be used to humidify if required without losing the cooling effect | Reduces humidity at the expense of cooling effect | Unpredictable, but never better than ambient | Rapidly humidify the room and stop cooling altogether |
| Environmental Impact | Low carbon emissions. Low energy use. Zero CFC/HCFC usage. Plain water to drain | High carbon emissions. Requires CFC/HCFC management and possibly monitoring. Compressor contains oil requiring specialist disposal | Very high carbon emissions and energy usage per deg C temperature reduction | Low carbon emissions, but in most applications energy is used for little or no benefit |