Home Climate & Air
A screen-free dehumidifier pulls damp out of a closet, safe, or small room with no humidistat to program and no display to glow. Our premium pick, the Eva-Dry E-500, is a renewable silica-gel unit that uses no power at all while it works · when the beads turn green you fold out the plug and recharge it, reusable for years. The budget Pro Breeze PB-02 is a quiet Peltier mini run by a single on/off button with a green 'on' and a yellow 'full' light. Neither has a digital readout, a Wi-Fi radio, or an app · they just keep the air dry.
Which one's for you?
A cordless silica-gel desiccant dehumidifier that protects spaces up to 500 cubic feet and absorbs up to 8 oz of moisture with no power use during operation. When saturated you fold out the built-in plug and recharge it in an outlet for about 14-16 hours, reusable for years.
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| Specification | รุ่นพรีเมียม Eva-Dry E-500 Renewable Wireless Mini Dehumidifier |
|---|---|
| Technology | Renewable silica-gel desiccant (no compressor, no Peltier)[1] |
| Coverage | Up to 500 cubic feet[2] |
| Moisture capacity | Up to 6-8 oz absorbed before renewal[2] |
| Power use in operation | None · works cordless while absorbing[1] |
| Renewal method | Fold-down plug into outlet for ~14-16 hours, then reusable[1] |
| Display | None · no LCD, LED, or numeric readout (manual shows only an indicator bead window)[1] |
| Controls | None · no buttons, knobs, or humidistat; status read from color-change beads[1] |
| Humidity indicator | Color-change beads · orange = ready, green = renew[1] |
| Connectivity | None · no app, Wi-Fi, or Bluetooth[1] |
| Service life | Renewable and reusable for up to ~10 years[2] |
| Best for | Closets, safes, RVs, boats, cabinets, small enclosed spaces[4] |
| Model | - |
| Daily extraction | - |
| Tank capacity | - |
| Indicator lights | - |
| Auto shut-off | - |
| Power | - |
| Manual | View manual (PDF) |
Best for
Buy it for safes, closets, cabinets, RVs, or boats where you want maintenance-light, electricity-free moisture control with nothing to read or configure.
Skip if
Skip it if you need to dry a whole damp basement or room · its few-ounce capacity is far too small for that.
Repair parts
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A compact Peltier (thermo-electric) mini dehumidifier with a 500 ml tank that pulls about 250 ml of moisture per day in small rooms up to roughly 215 sq ft. It runs quietly with no compressor and auto-shuts off when the tank is full.
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| Specification | รุ่นประหยัดที่ดีที่สุด Pro Breeze PB-02 500ml Mini Dehumidifier (Electric, 215 sq ft) |
|---|---|
| Technology | Thermo-electric Peltier module (no compressor)[5] |
| Coverage | Up to ~215 sq ft small rooms[6] |
| Moisture capacity | - |
| Power use in operation | - |
| Renewal method | - |
| Display | None · no LCD or digital humidity readout; manual lists only two LED lights[5] |
| Controls | Single On/Off button only · no humidistat or mode buttons[5] |
| Humidity indicator | - |
| Connectivity | None · no app, Wi-Fi, Bluetooth, or remote[6] |
| Service life | - |
| Best for | - |
| Model | PB-02[5] |
| Daily extraction | Approx 250 ml (9 oz) per day at 86F, 80% RH[5] |
| Tank capacity | 500 ml (18 oz) removable water tank[5] |
| Indicator lights | Green 'On' LED and yellow 'Full' LED (plain single-state lights)[5] |
| Auto shut-off | Unit stops and yellow LED lights when tank is full[5] |
| Power | DC 9V 2.5A via included adapter, ~23W[5] |
| Manual | View manual (PDF) |
Best for
Buy it for a wardrobe, small bathroom, RV, or cabinet where you want quiet, low-cost, plug-in dehumidifying with one button and no menus.
Skip if
Skip it for basements, large rooms, or cold spaces · its low daily extraction and Peltier design cannot keep up there.
Repair parts
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| Specification | รุ่นพรีเมียม Eva-Dry E-500 Renewable Wireless Mini Dehumidifier | รุ่นประหยัดที่ดีที่สุด Pro Breeze PB-02 500ml Mini Dehumidifier (Electric, 215 sq ft) |
|---|---|---|
| Technology | Renewable silica-gel desiccant (no compressor, no Peltier)[1] | Thermo-electric Peltier module (no compressor)[5] |
| Coverage | Up to 500 cubic feet[2] | Up to ~215 sq ft small rooms[6] |
| Moisture capacity | Up to 6-8 oz absorbed before renewal[2] | - |
| Power use in operation | None · works cordless while absorbing[1] | - |
| Renewal method | Fold-down plug into outlet for ~14-16 hours, then reusable[1] | - |
| Display | None · no LCD, LED, or numeric readout (manual shows only an indicator bead window)[1] | None · no LCD or digital humidity readout; manual lists only two LED lights[5] |
| Controls | None · no buttons, knobs, or humidistat; status read from color-change beads[1] | Single On/Off button only · no humidistat or mode buttons[5] |
| Humidity indicator | Color-change beads · orange = ready, green = renew[1] | - |
| Connectivity | None · no app, Wi-Fi, or Bluetooth[1] | None · no app, Wi-Fi, Bluetooth, or remote[6] |
| Service life | Renewable and reusable for up to ~10 years[2] | - |
| Best for | Closets, safes, RVs, boats, cabinets, small enclosed spaces[4] | - |
| Model | - | PB-02[5] |
| Daily extraction | - | Approx 250 ml (9 oz) per day at 86F, 80% RH[5] |
| Tank capacity | - | 500 ml (18 oz) removable water tank[5] |
| Indicator lights | - | Green 'On' LED and yellow 'Full' LED (plain single-state lights)[5] |
| Auto shut-off | - | Unit stops and yellow LED lights when tank is full[5] |
| Power | - | DC 9V 2.5A via included adapter, ~23W[5] |
| Manual | View manual (PDF) | View manual (PDF) |
| รุ่นพรีเมียม Eva-Dry E-500 Renewable Wireless Mini Dehumidifier | รุ่นประหยัดที่ดีที่สุด Pro Breeze PB-02 500ml Mini Dehumidifier (Electric, 215 sq ft) | |
|---|---|---|
| Best for | Buy it for safes, closets, cabinets, RVs, or boats where you want maintenance-light, electricity-free moisture control with nothing to read or configure. | Buy it for a wardrobe, small bathroom, RV, or cabinet where you want quiet, low-cost, plug-in dehumidifying with one button and no menus. |
| Skip if | Skip it if you need to dry a whole damp basement or room · its few-ounce capacity is far too small for that. | Skip it for basements, large rooms, or cold spaces · its low daily extraction and Peltier design cannot keep up there. |
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| Part | รุ่นพรีเมียม Eva-Dry E-500 Renewable Wireless Mini Dehumidifier | รุ่นประหยัดที่ดีที่สุด Pro Breeze PB-02 500ml Mini Dehumidifier (Electric, 215 sq ft) |
|---|---|---|
| Replacement renewable unit (sealed beads not user-serviceable) | Eva-Dry E-500 Beads are sealed inside · the unit is renewed by plugging in, not by refilling; replace the whole unit if it stops changing color. | - |
| Wall outlet / power strip for renewal cycle | Standard 120V outlet Manual says plug directly into a wall outlet and avoid extension cords during the 14-16 hour renewal. | - |
| 9V DC power adapter (2-pin) | - | Pro Breeze PB-02 / PB-02-US Replacement DC9V 2.5A adapter is the common wear item; compatible adapters sold separately on Amazon. |
| Removable 500 ml water tank | - | Pro Breeze PB-02 Slide-out tank that empties and reseats; replace if cracked or warped. |
The Eva-Dry E-500 pulls damp from a closet or safe with no power and no controls at all · just silica-gel beads and a color window.
Renewable, uses no power while it works. It absorbs up to 6 to 8 oz of moisture across spaces up to 500 cubic feet, then you fold out the plug and recharge the beads for 14 to 16 hours, reusable for years.
Status is a colour, not a screen. Orange beads mean it is working and green means renew; there are no buttons, no humidistat, and no digital readout anywhere on the unit.
Best for safes, closets, RVs, and boats. Owners rely on it where running a powered unit is impractical; it controls damp in small enclosed spaces rather than drying a whole room.
The Pro Breeze PB-02 runs on a single on/off button · a quiet Peltier mini with a green “on” and a yellow “full” light, and no display.
One button, two indicator lights. There is no humidistat to program and no numeric readout; a green light shows it is on and a yellow light shows the tank is full, at which point it stops automatically.
~250 ml/day into a 500 ml tank. A thermo-electric Peltier module quietly pulls about 9 oz of water per day in rooms up to roughly 215 sq ft, ideal for a wardrobe, bathroom, or caravan.
Simple parts to replace. The 9V adapter is the usual wear item and the slide-out tank reseats by hand, so upkeep is emptying the tank and, eventually, a new adapter.
Before this pair is published we check each pick · the unit, its controls, its replacement parts, and the manual · against a fixed list. Both picks passed every check below.
Every specification above is numbered to the document it comes from · the product's manual or the manufacturer's own page · so you can verify any claim yourself.