Question 1

I've read about a strange smell and noise when first using it. Is this normal and safe?**

Accepted Answer

Yes, this is completely normal and safe. During the initial 1-3 heating cycles, you may notice a mild "new appliance" odor (from protective oils) and some clicking/gurgling sounds (from the oil expanding). This is part of the break-in process for oil-filled radiators and will disappear permanently after a short time. Just ensure the room is well-ventilated for the first few uses.

Question 2

How quickly will this heater warm up my medium-sized bedroom or home office?**

Accepted Answer

The De'Longhi Dragon provides steady, radiant heat rather than a rapid blast of air. For a typical 12'x12' room, it generally takes about 45-60 minutes to reach a comfortably warm temperature from a cold start. Many users on Reddit praise its ability to then *maintain* that even, cozy heat quietly and efficiently, making it ideal for all-day use in frequently occupied spaces.

Question 3

Is it safe to leave on overnight or around kids and pets?**

Accepted Answer

Absolutely. This is one of its most praised features. The exterior cabinet stays cool to the touch (except for the grilles), it has automatic tip-over protection, and a thermal safety cut-off. Plus, its near-silent operation makes it perfect for bedrooms. Parents and pet owners in reviews consistently highlight these safety and comfort features as a primary reason for their purchase.

Question 4

It seems heavy. How portable is it really, and can I use it in my bathroom?**

Accepted Answer

Due to its oil-filled design, it is substantial (approx. 30 lbs). It has built-in wheels for easy rolling on smooth floors, but carrying it up stairs can be challenging. **It is NOT recommended for bathroom use.** It is not waterproof or splash-proof (IP rating). For bathroom safety, you would need a specifically designed bathroom heater.

Question 5

Is the programmable timer easy to use, and will this actually save me money on my energy bill?**

Accepted Answer

The 24-hour timer is straightforward: you set it to turn on and off at your chosen times (e.g., on before you wake up, off when you leave). The key to savings is "zone heating." Instead of heating your whole house, you can use the Dragon to efficiently heat only the room you're using. Many customer reviews report noticeable savings on their electric bills by doing this, especially when paired with the adjustable thermostat and eco modes.

De'Longhi Dragon Digital Oil Filled Radiator Heater, 1500W Electric Space Heater for indoor use, programmable timer, Energy Saving, full room heater with safety features TRD40615E

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