Black Friday 2026: the smart electric heaters worth watching
Two kinds to tell apart: wall-mounted radiators with thermal inertia, which replace an old convector heater, and portable plug-in heaters that need no installation. Also check for open-window detection and app control.
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The models worth watching
Models taken from our buying guides. We show no prices: check the current offer on Amazon.
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Best overall
Thermor Equateur 4
Cast-iron inertia with a heating front, open window and presence detection, and control through the Cozytouch app.
From our guide: Smart Electric Heater 2026: Buying Guide and 5 Models Worth Knowing
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Best value
Sauter Orosi 2
Fluid inertia, presence and open window detection, and remote control via a Cozytouch box, at an entry-level budget.
From our guide: Smart Electric Heater 2026: Buying Guide and 5 Models Worth Knowing
Photo: © Sauter
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Best with no installation
Mill Gentle Air WiFi
Portable plug-in oil-filled radiator with built-in Wi-Fi and the Millheat app, an open window function and tip-over protection.
From our guide: Smart Electric Heater 2026: Buying Guide and 5 Models Worth Knowing
Photo: © Mill International AS
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Go further
Amazon's Black Friday page
All current offers as the event unfolds. Amazon usually opens its deals about a week before Black Friday.
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Frequently asked questions
A wall-mounted radiator with thermal inertia heats a room evenly and replaces a convector. A portable heater plugs into a socket and helps out in one room when needed, with no work or electrician.
Mainly by not heating for nothing: scheduling, absence and open-window detection, remote control. The saving depends on your habits and how well the home is insulated.
A wall-mounted heater connects to a dedicated circuit: hire an electrician if in doubt. A portable heater such as the Mill Gentle Air WiFi simply plugs into a socket.