


Which Eva-Dry Compact Renewable Dehumidifier is Right for You?
Can it effectively reduce humidity in larger spaces?
The E-500 covers up to 500 cubic feet (63 sq ft) per unit. For larger spaces, we recommend the Eva-Dry EDV-2400, which covers up to 2,400 cubic feet with a built-in humidistat.
Why do the indicator beads turn black or fail to change color?
This is caused by exceeding the 16–18 hour renewal cycle. Over-charging permanently breaks down the indicator dye. The silica gel inside remains effective but the color indicator may no longer be reliable. Always set a timer when renewing.
Is it normal for the unit to become very hot during renewal?
Yes — the internal heating element gets warm to hot during renewal. This is normal. Plug into a power strip, not directly into a wall outlet. Place on a heat-resistant surface in a well-ventilated area for the full 16–18 hour cycle.
What should I do if beads don't change after renewal?
Unplug and cool to room temperature. Shake gently to redistribute the beads, then run a second full renewal cycle. Do not leave unit plugged in beyond recommended cycle time.
Does cold weather affect performance?
The E-500 works in cold or dry climates, renewal cycles may take longer as less moisture is available in the air. Allow a full 18-hour renewal cycle before redeploying in cold environments.

Which Eva-Dry Compact Renewable Dehumidifier is Right for You?
![]() Eva-Dry E-500 - Pack of 2 | ![]() Eva-Dry E-250 | ![]() Eva-Dry E-333 | ![]() Eva-Dry E-500 - Pack of 5 |
|---|---|---|---|
| Customer Reviews | |||
| — | — | — | — |
| Price | |||
| — | — | — | — |
| Size | |||
| 8"L x 2.5"W x 6.5" H | 7"L x 2"W x 4.25"H | 6.2"L x 1.25"W x 4.7"H | 8"L x 2.5"W x 6.5" H |
| Effective Area | |||
| 500 cubic feet each | 250 cubic feet | 333 cubic feet | 500 cubic feet each |
| Renewal cycle time | |||
| Approx. 16-18 hours | Approx. 12-18 hours | Approx. 12-14 hours | Approx. 16-18 hours |
| Absorption capacity | |||
| 6-8 oz. each | 4-6 oz. | 4-6 oz. | 6-8 oz. each |
| Plug-in to renew | |||
| ? | ? | ? | ? |
Can it effectively reduce humidity in larger spaces?
The E-500 covers up to 500 cubic feet (63 sq ft) per unit. For larger spaces, we recommend the Eva-Dry EDV-2400, which covers up to 2,400 cubic feet with a built-in humidistat.
Why do the indicator beads turn black or fail to change color?
This is caused by exceeding the 16–18 hour renewal cycle. Over-charging permanently breaks down the indicator dye. The silica gel inside remains effective but the color indicator may no longer be reliable. Always set a timer when renewing.
Is it normal for the unit to become very hot during renewal?
Yes — the internal heating element gets warm to hot during renewal. This is normal. Plug into a power strip, not directly into a wall outlet. Place on a heat-resistant surface in a well-ventilated area for the full 16–18 hour cycle.
What should I do if beads don't change after renewal?
Unplug and cool to room temperature. Shake gently to redistribute the beads, then run a second full renewal cycle. Do not leave unit plugged in beyond recommended cycle time.
Does cold weather affect performance?
The E-500 works in cold or dry climates, renewal cycles may take longer as less moisture is available in the air. Allow a full 18-hour renewal cycle before redeploying in cold environments.














































