Reviews of HONEYWELL/ENVIRACAIRE HAC-504 Replacement Filter Pad

Customer Ratings:

Is there anywhere to buy the old filters without the blue wrapping.

I have used Honeywell Humidifiers for many years and never had the smell / mold problem you do with these filters, they are downright unhealthy.

I tried to rate these zero stars they are that bad but the system would not let me.

Please go back to the old filters

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Bought a bunch of these replacement filters (10, I believe) for my Honeywell 2000 series humidifier.

This "enviracaire" blue wrapping was a new thing for me. HONEYWELL/ENVIRACAIRE HAC-504 Replacement Filter Pad Never seen it before, but figured what the heck, maybe it's new technology & will improve the filter's capability.

WRONG!!

My experience has been just the opposite. 1) It doesn't last as long, working only 2-4 weeks before it's efficacy diminishes, whereas the 'older' filters with the plastic/wire mesh would easily last 3-4 months, sometimes longer depending on use. 2) Using the old filters, I would often take them out after some heavy use, clean them, and descale them before continuing to use them. Only after months of use & hard build-up would they lose their efffectiveness & need to be changed. With these "enviracaire" filters the build up isn't heavy at all, it maybe something else (see #5 below), they just lose their effectiveness very quickly.

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3) I've been using humidifiers for nearly 9 years. I have a wine cellar & walk-in humidor, and for those of you who partake in those hobbies, you know how important it is to maintain proper storage conditions. So you might say that, yes, I do have experience in the use of humidifiers and environmental control. 4) I bought my last batch of (these) replacement filters from KAZ. When I began using the filters & encountering problems I contacted kaz to complain. Well, the customer service person who contacted me proceeded to tell me how it must be MY HUMIDIFIER that's not working properly as the filters work fine in hers! RIGHT!!!!! Does she use hers as extensively as I use mine?! I've been using the current humidifier(s) for three years with no prior problems to this!!!

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5) Now here's the worse part, IMO. WHAT'S WITH THE FILMY/MOLDY STUFF THAT BUILDS UP?! When I began using these "enviracaire" filters, I began seeing a filmy, moldy build up in my humidifier's water system. Even after I thoroughly clean the filter housing & install a new filter, at about the 2-4 week mark (when the filter's efficacy starts to diminidsh), the unit gets this filmy/moldy build-up in the filter housing compartment and in the water (but it doesn't get into the tank). Whether I use a few drops of a bacteriostatic or descaling in the water tank or not doesn't make a difference. Never seen that before, never seen it with the older filter types!! This filmy stuff may be the reason for the decreased function of the filetr, at least that's what I suspect.

So! Should you buy this filer?

You decide. Personally, I think that the manufacturer needs to know about these problems and take care of them.

As for me, I'm trying desperately to find the older style filters that had a wire-like/plastic outer mesh. Honeywell HAC504 Replacement Humidifier Filter They seemed to work just fine!!

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Original Honeywell filter for much less the price in the retail store. Works for me.

Honest reviews on HONEYWELL/ENVIRACAIRE HAC-504 Replacement Filter Pad

I've noticed a bad smell when I use these filters after only a few days use. The old ones without the blue air purifier didn't smell like this. I will not use these again even if I have to buy a new humidifier when I can't find the old HAC-504 filters.

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This replacement filter suddenly began to emit a really foul odor. I soaked it for ten minutes as per the instructions but when I put it back in, the odor came back and my eyes started to burn. I realized I had to throw the thing out, which means I have no humidifier while the air is now very humid. Meanwhile I had to open the windows, with the temperature about 10 degrees outside, to get rid of the pungent odor and the sensation in my eyes still not gone, several hours later. They need to re-do this filter, it is a Zero.

Cheap Replacement Wicking Filter for Air Humidifier MA0800

Customer Ratings:
List Price: $20.89
Sale Price: $18.59
Today's Bonus: 11% Off

This filter is hard to find, as the other reviewers state. It does not come ring shaped. Rather, it is shipped flat, with a couple of folds. You have to reshape it to fit in the humidifier.

Also, it is a tad small. You cannot form a complete ring with it. That probably reduces the dust reduction factor of the humidifier, which is one of advertised factors in the listing ("virtually eliminates dust").

However, since the original filter that came with the humidifier was a perfect ring of the perfect size, the customer is being short changed with this product. There seems to be no alternative to it, however.

Update: I recently (Mar 24) purchased two MAF-2 Essick Filters at homedepot.com less expensive and exactly the right shape and size. Fit easily into the humidifier just like the original one. So, I would say, get this only if the homedepot one isn't available.

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If you want your humidifier filters to last longer, then use filtered water and an additive to the water to prevent bacteria, as well as mineral build up. We use Golden Solution Combination by Vista Solutions. And if you want to pay a much cheaper price for these filters, go to Lowe's and look for IDYLIS Universal filters. They are currently $8.98 each. We have an Essick Moist Air Humidifier model 12010, and these filters fit fine, though they are boxed flat and have to be shaped...

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Unfortunately, I can;t get the filter in the local stores any longer. However, this buy was essentially fair priced, and filter works as usual. I like the humidifier, so I like this filter to help me keeping it running.

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I've bought several of these, and they work, gradually collecting hard water minerals until they don't work any more, after a couple of weeks (depending on your water). The only complaint is they always smell bad when I first use them, so I break them in in a small closed off room.

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I love my Essick Air humidifier, but am seriously displeased with the absurd price for these filters. The margins on something like this must be in the stratosphere. Also, I am beginning to question the design of the humidifier itself. It is impossible, especially given the use of water decontaminant, that the impurities that clog the filter simply materialize like magic in the water. They come from the room atmosphere itself. The degree to which the MA0800 is exposed is unnecessarily high and causes additional impurities to be pulled in by the inspiration of the fan, clogging the filter (which is not high enough to prevent these same impurities from being kicked right back out into the air) to just collect filth faster, leading it to clog and prevent the humidifier to function effectively.

The box indicates that the filter should be changed "once per season." This is nonsense. The first filter clogged to the point of basically rendering the humidifier totally ineffective after only a month. It worked flawlessly again as soon as the filter was replaced, but I'm pretty dismayed at having to order more of these things after such a short time. There is nothing extraordinary about the room I've got this thing in, nor is the water I'm using (purified tap) particularly hard. Within a few months, I will easily spend more on filters than I did on the humidifier itself. Pretty ridiculous and annoying.

Aprilaire Humidifier Filter Water Panel Pad Fits Aprilaire Reviews

Customer Ratings:

The Aprilaire 10 filter arrived at my house damaged from shipping. It was packaged in a plastic bag with no cardboard to protect it. The corners were smashed in and the filter not useable. Very disappointed.

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I had been wondering why the whole house humidifier wasn't working as well as it should. Then, I read the manual which recommended changing the water panel pad as a fix.

I knew the general cost of the item at the home improvement stores but decided to go online to comparison shop. This vendor gave the best value for my dollar so I could order two of them and have one ready when I need to replace it the next time.

This item fit perfectly. The humidifier thanked me by performing well for the rest of the season.

The order was received promptly (within a few days).

Thank you.

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Very satisfied in both the product and the service,I will most likely order again and I don't know what more to say.

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The product was correctly described and worked perfectly. The dlivery was very fasy, which I very much appreciated! Would order again.

Cheap HAC-700PDQ Replacement Filter B for the HCM-750 Humidifier

Customer Ratings:
List Price: $17.92
Sale Price: $9.99
Today's Bonus: 44% Off

These are really the only filters I can find for this humidifier, unfortunately they don't do a very good job. The "antimicrobial" layer makes doesn't prevent bacterial growth so much as prevent the humidifier from being effective. It is so thick that the air barely seems to be able to move through it and actually humidify. And it turns pink with bacteria within a few weeks. I'm thinking about just getting a different humidifier since I can't seem to make this one do it's job with these filters.

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Bought these as a replacement for my Honeywell humidifier. I was worried that the humidifier was broken because after cleaning it (with old filters in it) it would not work properly. Once the new filters arrived it worked like new again. While these ones are different from the ones that came with the product they work just fine.

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These filters arrived on time and as advertised. I should probably mention that for the humidifier to work, it needs BOTH filters in the box (something I didn't realize until everything came). But, other than my error, they work great.

Honest reviews on HAC-700PDQ Replacement Filter B for the HCM-750 Humidifier

This is the 4th humidifer I have had in my childrens room. The room is very large and most humidifers are not strong enough. These filters are the best replacement filters I have been able to find. The bacteria build up is unfortunately a problem with all the humidifers I have found. Using Holmes S1708 Bacteriostat for Cool Mist Humidifiers has seemed to resolve that issue and actually helped the filter last longer.

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the extra added anti bacterial blue side is excellent. I have bad lungs so the extra security is much better than originals. Honeywell should have this on all their filters

SPT Blue Dolphin Ultrasonic Humidifier Reviews

Customer Ratings:
List Price: $59.00
Sale Price: $39.98
Today's Bonus: 32% Off

So, I'm a college student who spent this winter in an old campus house with an overactive heating system. Our bedroom was so dry that our door shrunk and we regularly woke up with cracked lips and nosebleeds. We needed a humidifier, but didn't want to spend big bucks on one that might only get used for one season. The kids' humidifiers are cheaper than the more powerful "adult" ones, and this one got good reviews, so we got him and named him Flippy.

He's pretty good at his job. We turn him on full-blast at night and he puffs out clouds of cool steam until morning. It's not enough that the room is humid, or even normal moisture levels (it's a REALLY dry room!), but he definitely does help. If you fill him up, he'll easily run for a whole night, and you can adjust the amount of moisture he puts out. It's enough to make a difference in a small-to-average bedroom, but might not be practical for a large room.

It took a few tries for him to really "warm up," so to speak, and really produce that big, visible stream of cloud, but after a few days, he got the hang of it. We like him. The only problem we had was that he has a bright orange LED on the side to tell you when he's on, and it was a little bright for us, so we had to cover it up in order to sleep. He isn't loud, and the little humming noise he makes is just a little white noise that doesn't disturb sleep or anything. I could see it being irritating if we kept it on day and night, while we were trying to talk and study, but it's fine for the night. We have a couple fans going in the room anyway (Did I mention our heater?), so it's not even the loudest thing in the room. It's quieter than a desk fan.

We just fill him with tap water, so he's developed some hard water buildup (I think?) that I'm not sure it's practical to try and clean, so that's too bad. It's not causing problems, though, so we don't particularly care. I'm sure you can be fancy and use distilled water or softened water or something if you're worried about a little white buildup forming.

I think he'd be fine for a child's room, or even immature young adults like ourselves. We don't need him anymore (not so dry now that it's Midwestern summer), but I'm keeping him around in case I ever catch bronchitis or something. Or for next winter. I think he'll be handy. And he's very cute, especially when he's on and the cloud is billowing out from his blowhole. I recommend Flippy if you need a little extra humidity for a smallish room.

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We bought this humidifier and were really happy with it for five weeks. Then, one night, my wife noticed a burning smell in my son's room. Was it his new night light? Nope. The space heater? No again.

It was this cute little humidifier. It's cute, at least, until it emits a burning smell. One night later, I turned it on to see if it was any better and it was not just giving off a burning smell, but actually smoking, too.

Needless to say, we don't use it any more.

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My son loves this humidifer! It helps that he picked it out with me on amazon (he's 2 1/2 and very bossy). It's smaller than the Crane Cow we had before, so we fill it every other day. But because it's smaller it doesn't take up as much room, it hasn't spilled or leaked, it's very stable, the hum is pretty generic white noise expected of any humidier but it actually glugs less than our old one did, it humidifies well in a good arc, and did I mention my son loves it? He gets excited about us filling it "dolphin is thirsty!" and he loves turning it on and off himself. Oh, and yes, that little indicator light is one of the brightest lights I've ever seenbut my son decided he really likes the light, and that it's "supposed" to be a night light. So anywaythanks!

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Great price for this fantastic items, very quite and smooth operations. The only cons is the operating light. It is bright orange light at night, I didn't mind it because I see it as a night light at sleep. Highly recommended if you are seeking quality product without breaking your bank or don't have a lot of spaces.

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We've had this for a few weeks. It's actually quiet, doesn't have a filter, no problems with it so far. A full tank will easily last all night. If the bright LED could be turned off it'd be ideal for sleeping (we just cover it up).

Buy Honeywell HC-809 Replacement Filter for Duracraft Natural Cool

Customer Ratings:

I have used these in my humidifier for several years now and they seem to do a good job. If you have a Duracraft Evaporative Humidifier, I would recommend this.

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If you need a filter and you know what you're looking, this vendor is a good source.

Blueair 403 GO SMOKESTOP Air Purifier Review

Customer Ratings:

A IQAir HealthPro Plus helps with new furniture off-gassing in the living room while a Sharp FP-P40CX + Blueair 403 SmokeStop combo does the same in the master bedroom. The lack of electronic controls (403 versus the 450E) means improved durability. As far as I am concerned, the more durable a device is, the lower the overall cost of ownership as warranty claims require that the owner cover shipping costs to the factory. The 403 is the bang-for-the-buck model in the Blueair inventory. The SmokeStop filter with impregnated carbon granules is a great improvement over the standard HEPASilent by providing both lightweight multigas and odor filtration. CADR 240 means that it should be good for rooms up to 240 sqft (regardless of manufacturer claims) through the life of the filter (as ACH declines due to clogged media). Let the unit run 24/7, else cover it when not in use to prevent the accumulation of dust on the exposed internals. Periodically clean the fan with compressed air and vacuum the intake grill/ion brush region/housing floor regularly, regardless of the presence of accumulated dust. Because the filters (made in the USA) are not exactly cost effective (versus the cost of the unit itself), I run a smaller filtration unit (Sharp FP-P40CX) in the opposite corner of the room so that filter media changes can be extended to one year (YMMV, depends on your IAQ). I prefer the single filter cartridge of the 400 series units to that of the triple filter setup found in the 500 and 600 series. And unlike the 500 and 600 series models which intake air from the bottom of the unit, the 400 series models are better suited for placement on carpeted flooring. The Blueair 403 is assembled in China (I have no problem with that) from parts procured from Germany, Sweden and the USA.

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Cheap 30 Pt. Dehumidifier

Customer Ratings:

Noisy but works great!

Small, portable, efficient, but way too noisy.

Dry air only goes straight up, needs an adjustable deflector to keep air circulating.

Good drain hose included.

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Buy 1 Vicks WF2 Humidifier Filter; Fits Vicks V3500N, V3100, V3900

Customer Ratings:

This arrived sooner than expected and works great! I was nervous about the fit, but it fit perfectly! I am glad that

I could find these. These filters are difficult to locate.

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A little less quality than the Vicks filters but the price is terrific. If you change your filters often these will do.

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It was exactly what I was looking for. Works great with the starry night humidifier. Will order again, wish it was sold in packs of 2 for a discounted deal because the filter doesn't last very long.

Honest reviews on 1 Vicks WF2 Humidifier Filter; Fits Vicks V3500N, V3100, V3900

Needed a replacement filter but didn't want to pay super high prices at the store. This did the trick! It was nothing fancy but it was exactly what I needed for the right price!

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I thought this would last longer. We needed it after the old filter got yellow but this one got yellow only after two weeks of use. I would take it out and let it air dry but it didn't last long at all. Now we are looking for a humidifier that's doesn't need a filter.

Optimus U-33100 3.0 Gallon Cool Mist Evaporative Humidifier Review

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List Price: $59.99
Sale Price: $42.13
Today's Bonus: 30% Off

I bought my unit in 2011. Have used it for two winter seasons and had no problems. Not sure what happened with the other folks who said their units did not work.

And no I don't work for the company.

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Bought one from a different store, and the unit arrived with the motor in pieces. So I bought this one from amazon. Unit arrived in pristine condition, assembled fine, water level goes down only on high setting. Can't see any cool mist at all coming from the unit. I believe it is just evaporating as the motor is running on high. Humidity levels in the house don't change. Can't return it, because my husband threw out the packaging when he thought it was working. Yeah! My 10 year old unit ran better than this one. Don't waste your time.

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First one was DOA. The second one worked for all of 2 hours. This does not humidify at all. After two hours of use it started to make a weird whispering sound and then large droplets of water started spraying out everywhere.The vents for this unit are at the bottom. The entire surface of my nightstand was soaked. I don't mean a small amount of mist. I mean a large puddle of water. The second was also returned.

Crane Orange Drop Ultrasonic Cool Mist Humidifier Color - Orange Reviews

Customer Ratings:

We like these so much we got two. We have one in the living room and one in the bedroom. We only put distilled water in it because we have learned our lesson with hard water. It is very quite, cuts down on static electricity in the room. We snore less because of the humidified air in the bed room. The best thing about it is that it is cold air humidity. It never feels hot and stick even when you sit right next to it.

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I chose this based on color alone, and it was supposed to be the deep orange shown here. The item arrived a very pale orange and doesn't Match the room whatsoever. It's too late to send back, not to mention it would cost me additional monies. There are others posted where the color is accurate by other sellers. They need to update the picture.

Discount pureguardian H4600 144-Hour Ultrasonic Digital Humidifier

Customer Ratings:
List Price: $229.99
Sale Price: $140.20
Today's Bonus: 39% Off

I rarely write reviews, but since this item didn't have any and we bought it recently as a new-baby humidifier, I thought I'd get the ball rolling with this one. We will use our humidifiers strictly for the baby, and although we've only been using this one for a week, I may update this review for a final verdict. After reading numerous other reviews (I'm aiming to pick up another one soon), I feel slightly more educated about the features that consumers might find more desirable in a humidifier.

What I like:

* It works. I wouldn't normally add this seemingly obvious comment as a plus, but after reading other reviews, it seemed worth mentioning. If it fails in the near future, I will update this comment.

* No filters or wicks necessary. I find this feature highly desirable no added costs.

* Ultrasonic technology makes this unit run silently. And I mean silently! It makes no significant noise. Perhaps with other technologies, the mist volume could be heavier and thus noisier, but the quiet nature of this unit is pleasant. Also, thanks to the ultrasonic tech, the vapor stream is virtually instantaneous when switched on, both on warm or cold. Granted, a minor point, but nice. Which brings me to another pleasant feature....

* Emits both warm or cold mist. And does so effortlessly. One of its 4 face buttons allows a quick and easy switch from warm to cold and back, and as mentioned above, the change is immediate.

* The H4600 has 3 variable spray options. Low spray is perhaps too low, but the option is there if you want it to run all day and night. There is also a dual headed mist nozzle which allows greater choice at aiming the mist, but I don't find this feature particularly useful since the mist spray isn't all that strong to begin with, but it's a nice addition, nonetheless.

* Silver Clean technology claims to fight mold and mildew in the water tank, allowing for healthier vapors and less cleaning. Too soon to judge this feature, but even if it works a little, it'll be helpful and it's better than not having it.

* Easy interface. The front panel has a simple 4 button operation with a lit display. I found this to be a welcome feature. One button is simply On or Off. Another is variable spray volume (low, medium, high) kind of like a fan speed. The third is to switch from cold mist or warm mist. And the last button is for the night light. That blue circle on the face of the unit is the night light. It's fairly bright, but blue, so it's not as bright as it might be otherwise. Since we use this for the baby's room, we like this feature. The lit display shows the volume of spray (in a too elaborate display of LEDs), the chosen hot or cold mist option, and an indicator for low water in the tank. (The humidifier turns off when tank is too empty)

What I don't like:

* It's a bottom filled tank, meaning you need to lift out the tank, unscrew the underside cap to fill it with water. Thankfully, there are little handles on both the top and underside of the tank, but I don't understand why humidifiers don't regularly feature a top filling portal. It would be nice to be able to add water with a pitcher poured in the top rather than removing the entire tank, filling it and replacing it. The tank is fairly generous at 2.4 gallons, but that makes the full tank over 16 lbs. when full. Okay for me, but not the wife. Also, and perhaps more egregious is that the output nozzles on top (where the mist comes out) are rounded and interfere with the tank laying flat on its back when being filled. You cannot lay this tank flat on its back to fill it so it must be held, or at least braced (unless I didn't realize that the output nozzles can be removed?)

* Cost. This is one of the most expensive room humidifiers I've seen. It does have a nice feature set, and so far, operates as advertised, so I think it's worth it, but the price may discourage potential buyers. My wife bought this one because it was expensive. She figured it HAD to be the best one. I'm not sure she was wrong about that.

NOTE: For some reason, the amazon page that displays this item lists the following as one of its features, "Digital display and clock with programmable run features". I believe this was a mistake taken from some other model that isn't being shown, although I've yet to see a humidifier with a digital clock on it. The picture amazon shows is the one we have. Well, I saw no such display or feature. There is no clock or digital display here, let alone programmable features. None that I saw, and I went through the manual. Perhaps this amazon model is one notch higher in this series of humidifiers and explains why it costs $20+ more than ours.

Conclusion: At first, I was disappointed with the design of the bottom-fill tank, and the poor placement of the output mist nozzles that I thought this was a deal breaker and planned on returning it. But then I came onto to Amazon to research and buy another model, and after rooting around the reviews, I realize that this model is actually pretty good. I don't think the tank lasts 120 hours (5 days!), but it lasts fairly long. So, aside from the tank filling procedure, everything else about this humidifier is quite nice. Recommended.

** UPDATE **

The rounded silver-colored output nozzle on the top of the unit can, indeed, be removed while refilling with water. That's helpful. It's still not perfect, as the tank doesn't lay flat on its back for refilling, but it helps. Also, the price of this unit has since gone up from when I wrote my review. We paid somewhere between $160-$180. Unfortunately, I don't recall for certain, but if you're thinking of buying this item, make sure you get the model with "Digital display and clock with programmable run features" as it states in the description. Ours didn't come with that feature, and it's the only thing that explains the price difference from what we paid. I can't say if the extra cost is worth it, but I hope that helps.

** Update II **

It's now January 2013 around 2+ years after purchase. The H4600 Ultrasonic Humidifier is still kicking, rather nicely, thank you. We use it primarily for the winter months. The internal basin of the base needs an occasional cleaning, but otherwise, all is well!

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I have an electric PTAC heater/AC unit. It provides amazing heat in the winter and dries the room out like you wouldn't believe making it so I have to wake up in the middle of the night to turn the heater off, or open a window to get moisture in the room. My last humidifier was OK, but it just didn't do enough to combat the heater. I put this on last night for the first time (and last night was snowing weather). The setting was on low, warm mist. Wow I slept so well. I didn't wake up to turn the heater off, I didn't wake up in the middle of the night to drink from my bottle of water (I go through 16-24 ounces a night). I HIGHLY recommend this product for people with dry rooms. The fact that it has a 120 hour refill cycle is awesome! It's also quiet!

Obviously since it's new I can't comment on cleaning procedures

My only negative feedback is the lights on this thing cannot be turned off. It's in my bedroom and I have the LED lights hitting my wall. Considering they have a night-light button that turns some extra lights on they could have just made that button turn all the lights OFF. I will end up taping a piece of cloth to the front to block the light.

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Minimal upkeep, as promised, but if you don't buy the additional demineralization cartridge, you may see some white dust on the machine and nearby furniture. Not as totally silent as I'd hoped... The 'glug-glug' sound is fairly intrusive in a quiet room (like a baby nursery). But overall, it's a good product. Only drawback for me is the lack of a hydrostat, so you can't set an maintain a desired humidity level.

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I've owned two other humidifiers that were

Reviews of Venta Airwasher #6001040 8.8 OZ Venta Cleaner

Customer Ratings:
List Price: $14.99
Sale Price: $9.99
Today's Bonus: 33% Off

This is a bottle of citric acid (the stuff that makes lemons sour) with a wetting agent that helps dissolve the minerals (scale, calcium carbonate) that deposit on the evaporator (the moving white plastic finned drum) of the AIRWASHER. Simply fill the bottom housing with fresh water, pour the entire contents (8 oz), turn to low setting; after 2 hours, dump out the water that now has loosened scale, wipe any remaining scale and don't forget to get the stuff on the bottom of the fan. No smell like the vinegar I used to use. Not harsh like "lime-away" bathroom cleaners. Our local water is hard and during the summer, molds (black and red) can bloom.

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This one-use cleaning solution is run-thru the Venta Airwasher periodically to clean out the deposits and gunk. The product works well. Every few seasons, one should ship their Airwasher units back to Venta for their ultrasonic cleaning service. It's a bit pricey ($40? plus shipping one-way) but it comes back looking like new. They also replace several of the parts as part of this preventive maintenance.

As far as the folks giving this product 1-Star, they should learn how to read as the product description is quite clear. And you cannot blindly trust any of Amazon's add'l purchase recommendations. So I give those posters 1-star for their intelligence. Kinda reminds me of a deli review I read recently from some goof who gave the place the lowest rating simply because he thought the sandwich prices were too high (he walked away w/o even trying their food).

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I've used both vinegar and this cleaner. Vinegar worked just as well, and I prefer the smell of the vinegar to the chemical smell of this product.

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This is the first time we have used the Airwasher on our Venta Humidifier and it did a good job of cleaning out the accumulated grime. Unfortunately it is not usabled on the motor blades and it is difficult to use an old toothbrush to scrape off the grime on the fan blades. But the product did the job it was supposed to do.

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This product was listed as frequently being bought along with things like the demineralization cartridge for the Venta Ultrasonic VS-205 and VS-207 Humidifiers. When I received it, the labelling says specifically that it is NOT for ultrasonic humidifiers. It would cost about as much to ship it back as it cost, so I am stuck with it and hopefully will find some use for it someday.