Posted by Werner Nossal
Why We Need New Cooling Concepts
Summers are getting hotter, energy is getting more expensive and climate awareness is growing. In many situations, conventional air conditioning has had its day – it is costly to run, difficult to install and burdens the environment with chemical refrigerants. Evaporative air coolers offer a modern, sustainable answer to the question: how do we cool efficiently and in an environmentally friendly way?
How Does an Evaporative Air Cooler Work?
Evaporative cooling uses a simple physical effect: when water evaporates, it extracts heat from the surrounding air. That is exactly what evaporative air coolers do:
- Warm outside air is passed through moist cooling pads.
- The water in the pads evaporates and the air feels noticeably cooler – up to 15 °C cooler by perceived temperature.
- The fresh, cooler air is blown into the room or outdoor area.
No compressor, no chemical refrigerants – just water, air and physics.
4 Key Advantages over Air Conditioning
1. Up to 80% energy savings
Evaporative air coolers need only a fraction of the electricity of a conventional air conditioner. Instead of a compressor, a simple fan drives the system. This lowers running costs dramatically – especially in continuous operation in industry or hospitality.
2. Environmentally friendly & refrigerant-free
Conventional air conditioners work with chemical refrigerants (e.g. HFCs), which contribute strongly to the greenhouse effect if they leak. Evaporative air coolers use only water – the most natural coolant in the world. No greenhouse gas, no disposal problem.
3. Mobile and ready to use immediately
No installation, no permits, no maintenance contracts. An evaporative air cooler is set up, filled, plugged in – and cools straight away. Perfect for events, seasonal businesses, changing locations or short-notice needs.
4. A healthier indoor climate
Air conditioners dry out the air and often create unpleasant draughts. Evaporative air coolers filter the air and slightly increase humidity – which is gentler on skin and airways, especially in dry summers.
Typical Areas of Application
- Industry & production: Hall cooling without complex installation
- Hospitality: Beer gardens, buffet areas, cold rooms
- Events & functions: Tents, outdoor events, festivals
- Office & commercial: Temporary cooling in the transitional seasons
- Agriculture: Cooling for animals and storage rooms
FAQ
Do evaporative air coolers also work in high humidity?
Cooling performance is somewhat lower in high humidity, but this is rarely a problem in Central Europe. In typical summer conditions, the units are very effective.
How much water do the units use?
Depending on the model and outside temperature, approx. 5–15 litres per hour – a fraction of the ecological footprint of an air conditioner.
Can I maintain the unit myself?
Yes. Cleaning the cooling pads, changing the water filter, descaling the unit – all possible without specialist staff.
Conclusion
Evaporative air coolers are the smart, sustainable and economical alternative to conventional air conditioning – for businesses, event organisers and anyone who wants to cool efficiently without harming the environment. GoodCooling offers the right solution for every area of application.
