# Humidifier Dreo 4L HM420S — Dreo HM420S 4L capacity

**URL:** https://aio.lv/en/product--dreo-dr-hhm010s--11656493
**Data updated:** 2026-02-16 07:02 (EET)
**Category:** Air humidifiers
**Manufacturer:** Dreo
**Manufacturer code:** DR-HHM010S
**EAN:** 810181280258
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 67.99 €
**Prices and availability valid until:** 2026-08-18 23:59
**Price without VAT (21%):** 56.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dreo-dr-hhm010s--11656493

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 31.07.2026 | free |
| Pickup points | 05.08.2026 | 1.79 EUR |
| Courier delivery to door | 05.08.2026 | 4.99 EUR |

## Summary description

Dreo 4L HM420S is a Dreo humidifier with a 4-liter water tank designed to add moisture to indoor air. It provides continuous humidification suitable for home or office use, helping reduce dry air discomfort and protect wood furniture and houseplants. The unit is compact and intended for regular daily operation with easy refilling and maintenance.

## Long description

Dreo 4L HM420S is a compact humidifier with a 4-liter water tank designed to increase indoor humidity for home and office environments. The unit provides continuous, adjustable humidification to reduce the effects of dry air on skin, respiratory comfort, wooden furniture and houseplants. The device is intended for everyday use, with straightforward refilling and routine cleaning to maintain performance and hygienic operation.
Advantages
The humidifier offers a 4-liter tank capacity that supports extended runtime between refills and a compact footprint that fits on floors or larger furniture surfaces. Controls are simple and designed for regular use, and the unit is engineered for quiet operation suitable for living rooms, bedrooms and workspaces. Materials and access points are arranged to simplify cleaning and maintenance, helping preserve consistent humidification output over time.
Suitable for
Living rooms and bedrooms to alleviate dry air effects
Home offices and workspaces for improved comfort during long periods indoors
Rooms with wooden furniture or musical instruments that benefit from stable humidity
Indoor plants that require consistent moisture levels
Key specifications
Water tank capacity: 4 liters
Intended use: continuous indoor humidification for home and office
Form factor: compact floor or tabletop unit
Operation: adjustable output levels and quiet mode for low-noise use
Maintenance: removable tank and accessible components for cleaning
How to use
Fill the 4-liter tank with clean tap or filtered water following the manufacturer’s guidance, then place the humidifier on a stable, level surface away from direct heat sources and electronic equipment. Select the desired humidity output or mode using the controls, and monitor water level to refill as needed. Clean the tank and accessible components regularly according to the maintenance instructions to prevent scale and microbial buildup and to ensure consistent performance.
Usage recommendations
Place the humidifier at least several centimeters from walls and furniture, and avoid placing it on absorbent surfaces. Use distilled or filtered water where possible to reduce mineral deposits, and perform routine cleaning of the tank and mist outlets. Adjust output to maintain comfortable indoor humidity levels and prevent over-humidification.

## FAQ

### How much does the Humidifier Dreo 4L HM420S cost, and is it available for purchase?

The price is 67.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 31.07.2026 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 Dreo 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 Dreo 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