MILL panel convection radiator Wi-Fi 400W white steel PA400WIFI4

Mill Invisible Smart WiFi Panel Heater – A smart, elegant, and efficient heater. Easy to install yourself.

The award-winning Mill Invisible Smart WiFi Panel Heater combines cutting-edge smart heating technology with clean Scandinavian design lines. With its elegant curved front panel, it blends seamlessly into any space – a discreet yet powerful heat source that complements your interior.

Energy-efficient comfort

This new-generation heater is the ideal plug-and-play alternative or supplement to central heating. Surprisingly energy efficient, it provides pleasant warmth that evenly heats the room without unnecessary energy consumption. It operates quietly and efficiently, creating a peaceful and harmonious atmosphere – perfect for bedrooms, living rooms, or bathrooms (IPX4).

The heater is designed with safety and family use in mind, maintaining a low surface temperature that makes it safe for children and pets. Its ultra-thin profile is discreet, yet delivers impressive performance – it is also safe to use at night or when you are away.

Mill's smart features include:

• Mill Predictive Heating™ – learns your home's habits and starts heating in time to ensure the space is always ready.

• Mill PID Wattage Tech™ – optimizes the heater's power for stable temperature and lower energy consumption.

• Wattage Cap – allows you to set the maximum power to prevent excessive consumption.

• Open Window Detection – automatically pauses heating when there is a sudden drop in temperature.

These innovations ensure optimal comfort with up to 30% energy savings compared to conventional heaters.

Connectable and future-proof

Mill is designed to connect seamlessly with your smart home. It supports:

• Matter (Google Home, Amazon Alexa, Apple HomeKit)

• Zigbee 3.0

• Homey

It is one of the most advanced smart heating solutions on the market.

• Designed in Norway

• 5-year warranty

• Smart, safe, and aesthetically pleasing

Mill Invisible – The smart way to heat your home efficiently and elegantly.

Specifications

• Model: PA400WIFI4

• Power: 400 W

• Recommended room size: 4–6 m²

• WiFi + Zigbee 3.0 + Mill App

• Compatible with Matter

• LED display

• Designed in Norway

• Warranty: 5 years

Features

• Heater: X-aluminum – high efficiency, low surface temperature; safe for children and pets

• Fast and even heating of the room

• Automatic energy regulation – energy savings of up to 30%

• Temperature and consumption control via the Mill app

• Eco mode: power limitation

• Mill PID Wattage Tech™

• Mill Predictive Heating™

• Open window function

• Quiet operation

• Elegant, minimalist Scandinavian design

Safety and installation

• Easy DIY installation

• Brackets and screws included

• Cable length: 130 cm (on the right side)

• Safe to use at night or when you're away

• Approved for use in bathrooms: IPX4

• Overheating protection

• Child protection

• Commercial lock

• Color: white

• Dimensions (L × H × D): 49.2 × 38.4 × 8.6 cm

Connectivity

• Easy connection to WiFi via Bluetooth 5.2

• Supports WiFi 2.4 Ghz (WiFi 6) and Zigbee 3.0

• Integrations: Matter (Google Home, Apple Home, Amazon Alexa), Homey, Tibber

• Local REST API

• Open API