As an Amazon Associate I earn from qualifying purchases.
De’Longhi TRNS0505M vs Clatronic RA 3735
Prices in euros from Amazon.de, as of 11 June 2026. Prices and availability may differ on Amazon.co.uk.
By Seydhan Cakmak · Editor-in-chief · Last checked: · AI-translated from the German original
Two electric radiators with very different profiles: the De’Longhi Nano radiator is an economical 500 W supplementary heater for small rooms, the Clatronic RA 3735 a 1,500 W oil radiator with three power levels. We compare power, room size, control, safety, mobility and price.
Editorial rating based on manufacturer specs and Amazon catalogue data. We do not trial products ourselves. How we rate
Who wins in which category?
| Category | Winner | Reasoning |
|---|---|---|
| Power | Clatronic RA 3735 | 1,500 W vs 500 W, more heating reserve |
| Room size | Clatronic RA 3735 | up to 30 m² vs only up to 15 m³ (small room) |
| Power levels | Clatronic RA 3735 | 3 levels (600/900/1,500 W) vs fixed 500 W |
| Economy | De’Longhi TRNS0505M | 500 W draw vs up to 1,500 W, lower electricity costs |
| Safety | Clatronic RA 3735 | overheating protection + tip-over protection vs only frost protection mentioned |
| Price | Clatronic RA 3735 | from €61 vs from €78 |
Which one is right for you?
If you only want to warm a small room, cellar or bathroom in spots and economically, the De’Longhi TRNS0505M and its 500 W do well. If you want to heat a whole room of up to 30 m² and adjust the output between 600 and 1,500 W, go for the Clatronic RA 3735, which is also cheaper but draws clearly more electricity at full load.
De’Longhi TRNS0505M or Clatronic RA 3735? Short answer.
Which is better: De’Longhi TRNS0505M or Clatronic RA 3735?
That depends on your priority. Power: Clatronic RA 3735 (1,500 W vs 500 W, more heating reserve); room size: Clatronic RA 3735 (up to 30 m² vs only up to 15 m³ (small room)); power levels: Clatronic RA 3735 (3 levels (600/900/1,500 W) vs fixed 500 W). Which model suits which type of user is covered in the conclusion of this comparison.
How do the De’Longhi Nano and Clatronic RA differ?
The De’Longhi Nano and Clatronic RA differ mainly in these points: power (advantage Clatronic RA 3735), room size (advantage Clatronic RA 3735), power levels (advantage Clatronic RA 3735), economy (advantage De’Longhi TRNS0505M), safety (advantage Clatronic RA 3735), price (advantage Clatronic RA 3735).
More oil radiator comparisons.
All oil radiators compared
Complete table of all rated models with pros and cons, dimensions, price and recommendation per use case.
CategoryOpen the oil radiators category
All subcategories, reviews and buying guides for oil radiators.
Guide · 6 minMini appliance buying guide
How to read energy labels, consumption figures and dimensions correctly: the buying guide for singles.