Humidifiers, air purifiers & dehumidifiers

Humidifiers, air purifiers and dehumidifiers in Hong Kong

Updated 4 November 2026

A dehumidifier in Hong Kong usually costs from about HK$1,800, and a two-in-one unit that dehumidifies and purifies the air costs about HK$1,860 to HK$4,400. A humidifier and purifier combo starts at about HK$680. Prices are approximate, from sellers' websites, November 2026. For current offers, describe your room and needs in a request on BlaBlaPrice.

Local rules and energy labels

Compressor dehumidifiers sold in Hong Kong must carry a mandatory energy label, so compare the grade as well as the price. Dehumidifiers are also covered by the government's WPRS regulatory measures. A consumer test of 14 models found that two brands overpromised and underdelivered, so check the rated capacity in litres per day against your room size.

Humidity through the year

Summer, June to August, is the season when dehumidifiers are needed most, because the heat brings the highest humidity. Winter, December to February, is cooler and drier, which is when people more often look for humidifiers. November sits between the two, so an order placed now arrives before the hot months.

Units, sizes and delivery

Capacity is quoted in litres per day and room size in square metres, so measure the room before you ask for a unit. Dehumidifier listings also give the water tank size in litres. Ask the seller whether delivery reaches Central, Kowloon, Sha Tin, Tsuen Wan or Tuen Mun, and whether a filter change is included.

What to write in your request

Say what you need the device for, the device type, the room area in square metres, the filter or technology, the capacity in litres per day, the features, the make and model if you know them, and whether new or used is fine.

On BlaBlaPrice you write the request in your own words in a chat, and a photo of the appliance can be added. It is free for buyers. The AI reads it, asks for missing details and looks through sellers' websites and price lists in Hong Kong, then shows the prices and businesses it found. Sellers registered on BlaBlaPrice reply in the chat with their price and terms. Start from the request field on the home page, or read how it works. For cooling, see air conditioners.