
Pelonis Space Heater
Score: 76/100
Dreo Atom One
Score: 80/100Rankings

The Dreo Atom One is a compact 1500 W ceramic heater with 70° oscillation, quiet operation (≈38 dB), and ECO mode for efficient heating of up to 200 sq ft. Its limited coverage and 12-hour timer may not suit larger rooms or extended overnight use. Great for apartments, bedrooms, or offices needing quiet, portable warmth.

The Pelonis PTH15A2BGB is a compact 1500 W ceramic tower heater offering rapid, quiet heat with remote control and widespread oscillation. Its limited output makes it less suitable for large rooms and some users note occasional noise at high settings. Ideal for bedrooms, offices, and small apartments.
| Attribute | ![]() | ![]() |
|---|---|---|
1,500 Wbest | 1,500 Wbest | |
— | 5,118 BTU/hbest | |
— | 200 sq ftbest | |
| ↓ lower better | — | 38.75 dBbest |
| ↓ lower better | — | 2 kgbest |
83 °best | 70 ° | |
120 Vbest | 120 Vbest | |
— | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Controls(1) | ||
Oscillation Angle (°) | 83 ° | 70 ° |
Power & Performance(1) | ||
Power Source | AC mains | Electric |
Build & Design(1) | ||
Dimensions (H × W × D) (cm) | 19.6 x 19.6 x 45.1 cm cm | 14.0 × 26.2 × 17.0 cm cm |
General(1) | ||
Certifications | UL94 V0 | ETL, UKCA, UL94 V-0 |


Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Pelonis tower for its rapid heating, effective oscillation, and quiet operation, noting the convenience of a programmable thermostat and remote control. Safety features such as tip-over and overheat protection are praised, while critics point out its limited capacity for large spaces, occasional noise at high settings, and isolated reliability concerns.
Everyday users appreciate the heater's quick warm-up, quiet fan, portability, and safety shut-off, often highlighting its usefulness in bedrooms, offices, and small apartments. Common complaints focus on insufficient output for very large rooms, occasional louder noise on high, and a feeling that the lightweight build is less sturdy over time.

Professional reviewers commend the Atom One for its compact yet powerful heating performance, noting the brushless DC motor and nine-blade fan deliver faster airflow than traditional AC-motor heaters. The extensive safety suite and energy-saving ECO mode are highlighted as strong points, while the limited 200 sq ft coverage and modest airflow advantage are seen as minor drawbacks.
Everyday users consistently praise the heater's quiet operation, rapid warm-up, and ease of use via the remote and digital thermostat. Portability, the washable filter, and the timer feature also receive frequent positive mentions. The primary criticism revolves around the limited effective heating area for larger spaces.
“perfect for targeted use but not huge spaces.”

“quick heating for small rooms or personal use in 15 minutes or less”
