Mighty Dry Dehumidifier
This high capacity renewable dehumidifier has been designed to adsorb moisture from small, enclosed areas. It will aid protect clothes and valuables from the detrimental effects of mold/mildew and moisture rot. It is 100% renewable and needs no power to operate. Just hang the Eva-dry unit in a closet, or you may place it in other small, enclosed spaces, and it will get started to adsorb moisture. There are no batteries required or cords to plug in, the unit works without power. There is an indicator window with special “moisture meter crystals” that modify from blue (when dry) to pink (when wet) to indicate when the unit needs to be “renewed”. The unit will adsorb approximately 8-10 ounces of moisture (depending on humidity levels this ought to take amidst 6 – 8 weeks). Once the moisture has been adsorbed it can not leak or spill. This unit uses a specialized, engineered, crystallized silica gel that is odorless, non-toxic and altogether safe. When the indicator crystals turn pink it is time to “re-new” the unit. Simply remove the unit from where it is adsorbing moisture and plug it into a power outlet or power strip in a well ventilated area (bathroom with extraction fan, garage, outside, etc.). There is a built-in heater that will warm the crystals permitting them to exaggerate and release the moisture as water vapor into the outside air. It takes in regards to 12-14 hours to exclusively re-new the unit. When it is exclusively renewed the indicator crystals will change back to blue. The unit is brand new again and ready to adsorb another 8-10 ounces of moisture.The crystals will stay active for 10 years and we offer a 5 year fixed manufactures warranty on all EDV500 units.
RV dehumidifiers need to gather pints of water per day, not ounces. RVs may be very large, up to around 400 square feet in floor area. The Association of Home Appliance Manufacturers recommends a minimum capacity of 10 pints per day for a “moderately damp” area of up to 500 square feet.
This recommendation applies, of course to dehumidifiers for the house. RVs are oftentimes homes but they are not houses and the temperature inside them changes more quickly in response to variations of the outdoor temperature. In combining with the amount of moisture freed inside the comparatively restricted space of an RV, this accounts for the uttermost condensation troubles ofttimes reported.
For this reason I would advise versus “mini-dehumidifiers” for the RV. There are two types; rechargeable dehumidifiers, which use silica gel to absorb water, and small, electrically powered units, using the “Peltier” process. Neither type may remove more than a couple of pints of moisture per day, specifically much less. They are unsuitable for all but the smallest Camper Van and even then more than one may be needed.
Specialized dehumidifiers for RV’s and boats are available and have the vantage of being short and squat, meaning a low center of gravity, which makes them more stable while a vehicle is moving. An example is the Mighty Dry DH10. This unit will remove 10 pints per day and is compact and light but retails at around $465 which is a lot of cash to pay for a low capacity unit. Even 10 pints per day may be a little less power than you need in a huge RV. If the dehumidifier is too little it will run continuously, pushing up your energy costs.
I assume that most folks will be using the dehumidifier while hooked up to an external electricity supply. Units that operate on a 12v supply are improbable to have the power that you need.
For most RV users a room dehumidifier will be fine. Typically the smallest capacity room dehumidifier is rated for 25 pints which will be sufficient for even the greatest RV. Any reputable brand will be OK but, even in the greatest RV, space may be a little limited.
A “slim” dehumidifier with a shoal depth will be requiring little effort to accommodate and will not project so far into the vehicle. One example is the Soleus CFM-25E which has a depth of only 9.25 inches and is rated down to temperatures of 36°F so will be suitable for cold weather.
An substitute is the DeLonghi DD45 model. Although nominally a 45 pint dehumidifier this unit is actually comparable to the Soleus CFM-25E. This apparent anomaly arises from the dissimilar testing conditions at which the two units were rated. At the AHAM standard, 80°F and 60% relative humidity, both are 25 pint dehumidifiers.
The DeLonghi is a little deeper than the Soleus, at 11.8inches but may be placed flush versus the wall due to the emplacement of the intake and output air vents on the sides. It is less tolerant of cold operating conditions but will function down to 41°F.
Another issue of concern for RV users is the noise level produced by a dehumidifier. On this count the Soleus CFM-25E takes the prize. It has three fan speeds and at the lowest setting it generates only 41dB of noise, very quiet for a dehumidifier.
One way to reduce noise from a dehumidifier is to switch it off. Of course you would not want to do that but both of the dehumidifiers I have cited have adaptable humidistat controls and switch off themselves when relative humidity has been scaled down to your chosen level.
A dehumidifier with a little more power than you need will run for less hours, making less noise and saving you energy.
Happy camping!
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Most helpful client reviews
54 of 57 people found the following review helpful.
 Quite effective in little areas
By R Round
I was astoundingly pleased with the Eva Dry mini dehumidifier. I hang mine just out outside our guinea pig’s cage and it absorbs excess moisture rather effectively, keeping their feed and cage area from getting too humid. It takes assorted weeks to to a complete degree absorb moisture but the indicator will go from blue to bright pink, and the unit will be noticeably heavier. Just plug the unit into the socket during one night to refresh.
38 of 39 humans found the following review helpful.
EDV-500 huge betterment over EDV-300 particularly hanger
By M. R. Smith
I have 5 of these Eva-Dry rechargable dessicating dehumidifiers. Here in humid NC, using the more prominent in 4×8 closet works well. Takes numerous time, but definitive measurable divergence of 10-15% or so on humidity gauge after a couple of days. Need to recharge once a week here where even with the air conditioning on, indoor rel humidity is over 50% most days.
The more spectacular EDV-500 has a much better hook which fits through the holes in the Eva-Dry EDV-500 plug, a feature that is not very well documented!
Also, there are occasional specials: not so long ago a 2 for 1 sale on the EDV-500 with free shipping.
Only reason for not giving this product a 5 star is that as stated in other posts, the recharge routine gets the unit very hot and it doesn’t always sit well in an outlet without support. I too had one unit fall, and was fortunate the case stayed intact but the little beads could make for a real mess if the unit broke open!
But the real mess this thing fends off is dealing with drying chemicals that gather water and the dissolved dessicant. When that tips over, it is a wet mess, so the EDV-500 and EDV-300 refrain from that type of mess.
PS – where in the world did somebody get the idea to label this “wireless” in the Amazon description? Very misleading!
44 of 47 humans found the following review helpful.
Good product, need to iron out a heap of glitches
By Carol Beth Sirney
I prefer this product over refilling messy damp aid units anyday (yuck!).
It seems to keep the closet reasonably dry. Two problems. Problem 1. When I renew one of the units, it falls out of the outlet unless I aid it with something else. This could be dangerous since it heats up. I’m competent to renew it on a counter outlet but could be a more problematic for a regular outlet that has more space amidst outlet and floor. Problem 2. My boyfriend who I forgot to tell in regards to the unit, went into my closet like a bull in a china shop and it fell off it is hook and broke (glass beads everywhere) – I had to buy a new one after only a month. There must be a more secure way to affix the unit to hang in the closet or perchance client must opt to put it on the floor. The hook is reasonably flimsy and if you have kids or clutzy substantial others, hanging just isn’t a good option for a closet that is full and tight.
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