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Germ Guardian H4500 120 Hour Ultrasonic Humidifier

Germ Guardian H4500 120 Hour Ultrasonic Humidifier

Date : May 18th, 2010

Humidifiers
Review : 3 Reviews
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  • A healthy home the safe, natural way
  • Large capacity water tank
  • Low water indicator light
  • Soft blue nightlight
  • Runs virtually silent

The germ guardian 120-hour ultrasonic humidifier (h-4500) uses silver clean technology to prevent the growth of mold and bacteria in the water tank. by humidifying clean water, you provide a healthier breathing environment by not spreading germs and bacteria into the air. the ultrasonic humidifier has the option for warm or cold mist. the unit has a 120 hour run time on its maximum setting and has over a 2.4 gallon tank capacity with a low water indicator light that turns on when it is time to

  1. Christopher Bart "Banjoman CO" // May 18th, 2010 at 2:26 am
    43 of 44 people found the following review helpful:
    5.0 out of 5 stars
    Finally, a good humidifer, December 23, 2010
    By 
    This review is from: Germ Guardian H4500 120 Hour Ultrasonic Humidifier (Health and Beauty)

    When I first moved to the high mountains (8400′) of Colorado, I used a wick-type humidifier constantly. I also had a nasty little cough that stayed with me for 18 months. Finally, I took my doctor’s advice and junked the humidifier. End of cough, due to things growing in the unit. I have been shopping for humidifiers again for a while, and found them all to be lacking severely. Either they were the same type of filter construction that had caused my illness, or they were cheaply made, or low-capacity. This unit may have a tippy storage tank when turned upside-down to fill, but it is well made. The screw-on cap for the reservoir is sturdy and has a rubber gasket. There are carrying handles on the top and bottom of the water container to make it easy to manage, and it puts out a LOT of humidity. At 2/3 setting, it ran the humidity in my bedroom from 22 to 35% the first night, all while being completely silent. The (silent) piezo-electric ultrasonic element is the same as is used in the tweeters of my big PA speakers, and these are practically indestructible if kept clean. The huge water reservoir does mean that it is big, and the styling is retro, which is OK, I guess. More expensive units from the same manufacturer have useless and noisy digital features with the same overall construction. Overall, a solid five.

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  2. a scientist // May 18th, 2010 at 2:29 am
    25 of 27 people found the following review helpful:
    2.0 out of 5 stars
    Great while it lasts, January 1, 2011
    By 
    a scientist (US) –
    (VINE VOICE)
      

    This review is from: Germ Guardian H4500 120 Hour Ultrasonic Humidifier (Health and Beauty)

    I bought this humidifier because it seemed perfect:

    1, Large capacity – 2 gallons or so lasts about 24 hours and isn’t too heavy to re-fill
    2, Cool mist OR warm mist capability – I prefer warm mist, but the heating elements usually take too much cleaning
    3, Virtually silent operation – no loud fans, just the occasional bubble from the reservoir
    4, Nice design
    5, Great reviews – durability and performance were both praised
    6, Germ prevention – not sure this is strictly necessary with a warm mist humidifier (boiling water, etc), but apparently a nice to have for cold mist humidifiers.

    Believing this justified the cost, which is 2.5 times more than any other humidifier I’ve ever bought, I bought one. It worked pretty well for just less than 2 weeks. Then there was a loud popping noise and now it doesn’t work anymore.

    I will bother to exchange it for a new one, but I won’t be buying any others from this maker. At the price, I would expect much greater durability (even the forty dollar humidifiers last a couple of years or so) and there should be an electronic humidistat so that you can regulate the humidity. This model only has a dial that seems to govern output. The model with a humidistat is twice the price (daylight robbery, instead of this one, which is merely standard burglary).

    I’m upset with this product, but I’m even more upset with humidifier manufacturers in general. I know water and electronics don’t mix, but what I’m discovering is that the only genuinely bulletproof humidifiers on the market are the buckets of water with fans (“evaporative”). Really?? That’s state of the art for you guys? Can you at least hook up with Dyson and make the fans quieter?

    –UPDATE–
    I’ve now got a replacement and I’ve noticed a couple of differences: Firstly, the dial on the new machine does much more to regulate the amount of visible mist than the dial on my original machine. Second, the tank now lasts for at least three days instead of one or less. I already knew the original machine was faulty (it broke within 2 weeks), but based on this new information it looks like it was running at maximum, regardless of what the dial was set to. This leaves me with two important takeaways:
    1, If you just bought the machine and want to know whether it’s working properly, you should see a substantial change when you turn the dial, from almost no mist to lots.
    2, Can the machine handle being left on maximum output continuously? I don’t know, and after last time, I dare not risk it.

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  3. Cheryl // May 18th, 2010 at 2:31 am
    22 of 24 people found the following review helpful:
    5.0 out of 5 stars
    Germ Guardian H4500 Ultrasonic Humidifier, December 13, 2010
    By 
    Cheryl
    Amazon Verified Purchase(What’s this?)
    This review is from: Germ Guardian H4500 120 Hour Ultrasonic Humidifier (Health and Beauty)

    This is our second humidifier we’ve purchased from this manufacturer. We originally bought the one with the alarm clock, which is a great product and now we decided to buy this one. It is much more powerful & keeps our house very comfortable. (the original one we bought is in our bedroom). It’s definitely a benefit that you don’t have to constantly buy new filters.

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