The Masterplug SmartEnergy 20L 3-in-1 Dehumidifier combines moisture control, air purification and ionisation in one connected appliance. It is designed for homes and workspaces where damp, condensation, mould risk or poor indoor air quality needs to be managed throughout the year.
It can remove up to 20 litres of moisture per day and includes laundry, wet weather, night, mould guard, air purify and custom modes. An H13 HEPA filter and ioniser support air purification, while the Masterplug SmartEnergy app, Alexa and Google Home compatibility provide remote control, schedules and energy monitoring.
Key Features
20L/day dehumidification capacity.
3-in-1 dehumidifier, air purifier and ioniser.
H13 HEPA filtration for dust, pollen, pet dander and airborne particles.
SmartEnergy app control with Alexa and Google Home support.
Laundry, wet weather, night, mould guard, air purify and custom modes.
Auto-defrost for colder operating conditions.
Castor wheels for easier movement.
Technical Information
Supplier Code: DHU20W380UKMP
Model / Package Name: DHU20W380UK-MP
Product Type: Smart dehumidifier, air purifier and ioniser
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
Delivery Charges & Delivery Times
Delivery Type
Delivery Area
Delivery Charge
Delivery Time
Small Items
Republic of Ireland
€9.99
3–4 working days
Large & Heavy*
Standard delivery area
€29.99
5–7 working days
Extra Large*
Standard delivery area
€50.00
5–7 working days
Paint 5L or less**
Standard delivery area
€19.99
5–7 working days
Swipe sideways to compare delivery options.
Small Items
Delivery area
Republic of Ireland
Charge
€9.99
Delivery time
3–4 working days
Large & Heavy*
Delivery area
Standard delivery area
Charge
€29.99
Delivery time
5–7 working days
Extra Large*
Delivery area
Standard delivery area
Charge
€50.00
Delivery time
5–7 working days
Paint 5L or less**
Delivery area
Standard delivery area
Charge
€19.99
Delivery time
5–7 working days
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
Additional Information
FREE delivery on eligible Small Items and Large & Heavy orders over €1,499, within the standard delivery area only.
Special Order and Catalogue Products require an additional 5 working days.
FREE collection of old appliances is available through WEEE Ireland when purchasing qualifying large appliances.
FREE Click & Collect is available for items in stock at your selected branch.
Large & Heavy and Extra Large items are available within our standard delivery area only.
Paint delivery Paint in tin cans 5L or less is available for delivery. Larger sizes and paint supplied in plastic buckets are available for Click & Collect only.
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products.
Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.
