De'Longhi Dragon Digital TRD40615E vs Dreo Atom 316 Space Heater

The Dreo Atom 316 Space Heater rates 4.1 among fan heaters space heaters; the De'Longhi Dragon Digital TRD40615E rates 3.2 among radiators ones. The Dreo Atom 316 Space Heater costs $149.96 less ($39.99 vs $189.95).

Dreo Atom 316 Space Heater

#1 in Fan heaters4.1Full review

For a desk or bedside where a cheap, quiet heater should hold a set temperature. A larger room is better served by a tower or radiator.

Amazon $39.99

$39.99

De'Longhi Dragon Digital TRD40615E

#7 in Radiators3.2Full review

For bedrooms and home offices where a silent heater should hold a set temperature on a schedule. Those who only need background heat can save with a dial radiator.

Amazon $189.95

$189.95

Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Scores side by side

These two sit in different type classes (fan heaters and radiators), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.

Factor weight	Dreo Atom 316 Space Heater	De'Longhi Dragon Digital TRD40615E
Overall rating	4.1/5	3.2/5
Value 25%	82 $27 per kW ($39.99, 1,500 W)	2 $127 per kW ($189.95, 1,500 W)
Safety 25%	100 ETL listed, tip-over shutoff, overheat shutoff	60 tip-over shutoff, overheat shutoff; no safety listing published
Thermostat 15%	100 holds a set temperature	100 holds a set temperature
Warranty 15%	0 1-year warranty	50 3-year warranty
Controls 10%	75 eco mode, timer, remote; no app	50 eco mode, timer; no remote
Low setting 10%	50 lowest setting not published (neutral score used)	50 lowest setting not published (neutral score used)

Independent measurements

Dreo Atom 316 Space Heater

Tested by	Noise	Power draw	Conditions
Good Housekeeping Institute	47.9 dB	-	Maximum setting, measured 6 in from the heater in the GH Home Improvement & Outdoor Lab. Date is the article’s last update.