Too dumb to fail.

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De'Longhi oil-filled radiator
D5 · Level 1 · Electric, no logic An electric rock

De'Longhi oil-filled radiator

De'Longhi 1500 W oil-filled radiator with mechanical controls.

$130Buy on Amazon
Amazon US, October 2026. Prices change.

An element warms sealed oil, the oil warms the room. A thermostat dial and a power switch. Silent apart from the odd tick as it cools.

Where to buy

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Survival checklist

What it survives, next to the smart one it replaces.
1
=SURVIVES(threat)Survives…
ThisDe'Longhi oil-filled radiator
What it replacesSmart oneDyson Purifier Hot+Cool HP07
2
Power cut
FALSE
FALSE
3
Wi-Fi goes down
TRUE
#DEPENDS
4
The company switches off its servers
TRUE
#DEPENDS
5
Someone tries to hack it
TRUE
FALSE
6
A firmware update goes wrong
TRUE
FALSE
7
Twenty years from now
#DEPENDS
#DEPENDS
8
=COUNTIF(TRUE)Total
4 of 64/6and one maybe
0 of 60/6and three maybes

The smart one is the Dyson Purifier Hot+Cool HP07.

Row 5

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Three settings and a gentle tick.

De'Longhi oil-filled radiator

$130
De'Longhi oil-filled radiator$130
Buy on Amazon