# Humidifier Deerma DEM-ST635 Steam 4.5 L White 25 W

**URL:** https://aio.lv/en/product--deerma-st635w--4221176
**Data updated:** 2025-12-29 15:46 (EET)
**Category:** Air humidifiers
**Manufacturer:** Deerma
**Manufacturer code:** ST635W
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 41.99 €
**Prices and availability valid until:** 2026-10-10 23:59
**Price without VAT (21%):** 34.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--deerma-st635w--4221176

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.09.2026 | free |
| Pickup points | 29.09.2026 | 1.99 EUR |
| Courier delivery to door | 29.09.2026 | 4.99 EUR |

## Summary description

The Deerma DEM-ST635 humidifier features a 4.5 L capacity and 25 W power, providing efficient steam humidification. With a sleek white design, it is perfect for table placement. The AC power supply ensures reliable operation, and its compact dimensions (277 mm width, 156 mm depth, 270 mm height) make it suitable for various spaces. Ideal for improving air quality and comfort in your home or office.

## Long description

The Deerma DEM-ST635 Steam humidifier is a 4.5 L tabletop steam humidifier with 25 W power and a white finish. Its large water tank and top refilling design let you refill without removing or overturning the tank. The unit delivers up to 280 mL/h of mist in 1–5 μm particles for continuous humidification and improved indoor air comfort.
Advantages
Top refilling allows adding water by opening the cap without taking the tank to the tap or switching the device off. The wide tank opening (about 212 mm) makes internal cleaning simple and a built-in water purification filter removes impurities. An activated carbon honeycomb filter at the air inlet helps absorb odors and contaminants. Stepless knob control provides adjustable mist output to suit different needs.
Suitable for
Homes and bedrooms requiring overnight or daytime humidification
Small offices and workspaces placed on a table or desk
Rooms with dry air needing skin and respiratory moisture
Key specifications
Model: Deerma DEM-ST635 Steam (ST635W)
Water tank capacity: 4.5 L
Power: 25 W
Mist output: up to 280 mL/h (1–5 μm particles)
Dimensions (W×D×H): 277 × 156 × 270 mm
Colour: White
How to use
Open the top cap to refill the tank while the humidifier remains in place. Turn the stepless knob to switch on the humidifier and adjust the mist volume to the desired level. For cleaning, reach into the wide tank opening to remove scale or stains and rinse thoroughly. Replace or inspect the water purification filter and activated carbon element as recommended by the manufacturer.
Usage recommendations
Use clean water and change the water regularly to reduce deposits. Place the humidifier on a stable, level surface and keep it away from electrical equipment. Regularly clean the tank and filters to maintain hygienic humidification and optimal performance.

## Specifications

### Packaging content

| Feature | Value |
|---|---|
| Manual | Yes |
| Quantity | 1 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 270 mm |
| Depth | 156 mm |
| Width | 277 mm |

### Power

| Feature | Value |
|---|---|
| Power supply type | AC |
| AC input frequency | 50 |
| AC input voltage | 200 |
| Power | 25 W |

### Design

| Feature | Value |
|---|---|
| Placement | Table |
| Built-in display | No |
| Product colour | White |

### Technical details

| Feature | Value |
|---|---|
| Noise level | 38 dB |
| Removable water tank | No |
| Control type | Rotary |
| Operating time | 16 h |
| Humidification capacity | 280 ml/h |
| Filtering | Yes |
| Air purification capability | No |
| Water tank capacity | 4.5 L |
| Evaporation technology | Steam |

## FAQ

### How much does the Humidifier Deerma DEM-ST635 cost, and is it available for purchase?

The price is 41.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 895 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 24.09.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Deerma products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Deerma service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: power supply type, power, air purification capability, water tank capacity, evaporation technology, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4221176/65633064_large.webp