| So you've decided to buy a humidifier, and you would | | | | quite an effective method. To the human ear, these |
| prefer cool mist to warm. Great! But that's not the | | | | models are effectively silent! |
| end of the decision making process. | | | | The two most recent methods of humidification have |
| There are actually three different types of cool mist | | | | now been in production for some time, but if you |
| humidifier available, and they each use a different | | | | read consumer reviews of individual products, you will |
| technique to get water into the air. | | | | soon see that the technology is not yet perfected. |
| The most common method is by evaporation. Water | | | | Some break far too easily, and in extreme cases you |
| is absorbed into a pad or filter, and a fan is used to | | | | can even end up with a puddle of water on the floor. |
| speed the evaporation process. This method is very | | | | Don't let this put you off! You just have to be |
| simple and natural, and has been around for a long | | | | careful which brand you buy. |
| time. It is a tried and tested process that has been | | | | It is always the case with any new technology that |
| perfected over the years, making these models very | | | | the cheaper models will not deliver everything they |
| reliable. The only disadvantage is the noise of the fan. | | | | promise. These new humidification techniques are |
| Another technique that has been developed in recent | | | | here to stay, and their noise free operation will |
| years uses a spinning disk to encourage the water | | | | undoubtedly make them very popular in the future. |
| into the air. These 'impeller' models make a lot less | | | | For now, you have to decide what sort of person |
| noise than a fan, which is a big advantage. | | | | you are. Do you love the cutting edge, or prefer the |
| The third type uses ultrasonic sound. This may sound | | | | safety and comfort of a tried and tested design? |
| like something from science fiction, but it is actually | | | | |