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Most commercial, industrial and residential establishments these days use a door air curtain for a major reason – cutting their monthly electric consumption. Remarkably this piece of equipment has proven such relief in the payment of electricity bills to those who have been using it.

If you do not quite understand how the saving of energy happens, let us first have an overview of how it works.

This device, which is commonly placed at the entrance of most structures, functions in the concept of directing and invisible stream of cooled or heated air downwards. This same concept makes it very effective in trapping the cooled or heated air inside the room or building.

A door air curtain works hand in hand with an air conditioner which may be used as a cooler or a heater. Once a place is being cooled or heated, the internal air is being kept inside by this piece of technology while the external air is being prevented from coming in. Thus, it reduces the energy an air conditioner has to use up in expelling cooled or heated air. Moreover, it reduces the heat transfer between two spaces especially spaces that are being cooled and are impossible to be separated by a real door in place.

Since more and more establishment owners have seen the energy saver quality of this device, air curtain manufacturers have mass-produced it in different sizes. There are sizes that will suffice for the cooling or heating needs of a small room or a spacious warehouse.

Designed to provide a steady gush of cooled or heated air, they are very valuable during cold and warm months of the year. During winter, they help lighten the load of heating systems. They trim the loss of heated air which flow out of open entrances. Come summer time they reduce the intensive use of air coolers as they prevent the loss of cool air. More than that they function as repellant to dirt, dust and fumes which affects the conditioning – cooling or heating – of air in a certain place.

So you’ve got a great new invention that’s going to change the world and/or make you incredibly rich? The question now is what do you do with that great idea and how do you take it from an abstract concept floating around inside your skull into something that you can sell to others on a large scale and that will change the world for the better?

Well this will partly depend on your invention, and if you’ve come up with a new piece of software for instance then you will not really need any manufacturing and can rather just roll the idea out yourself and see if it takes off. It worked for Mark Zuckerberg, and it can work for you.

However for most of us our great ideas are not software inventions, but rather practical things that can really help us around the house. Things like chair designs or new tools that fulfill a need that’s there. These Eureka moments come at times when we find ourselves trying to do something and struggling more than necessary. Wouldn’t it be a lot easier ‘if’ we think – and that’s when we have the great idea. It might be a new type of packaging that keeps food fresher while being easy to use for the consumer, or it might be a new type of game that families can play together.

Throughout history there have been countless instances of these Eureka moments and they have very much shaped the way society is today. Every time you use a screwdriver, drink out of a cup, lean at a desk, play with a power ball gyroscope, walk on stilts, or sweep with an extra long broom… you are using someone else’s invention. Did you know that the Hoover vacuum cleaner was invented by none other than President Hoover? Likewise perhaps even more surprisingly the cat flap was invented by Isaac Newton!