How long does it take to warm a room?

Oil-filled radiators heat up gradually because the oil must warm first. Expect a slow build over the first several minutes rather than the instant blast of a fan heater, then steady warmth.

Yes. There is no fan, so the only sound is the occasional tick of the metal as it expands and contracts. That makes it suitable for bedrooms and offices.

What size room does it suit?

The maker rates it for rooms of about 10–15 square meters, such as a bedroom, small office or study. Larger or open rooms will need more heating capacity.

Can I use an extension cord or power strip?

No. The manufacturer says to plug it directly into a properly rated wall outlet and not to use an extension cord, power strip or adapter.

Does it shut off if knocked over?

Yes. A tip-over safety switch cuts the heater off if it is accidentally tipped, and there is also overheat protection.

How much clearance does it need?

Keep curtains, bedding, paper and other flammable items at least 3 feet away, and never cover the heater or place objects on top of it.

Where is the SUMELL 1500W Oil Filled Radiator Heater cheapest?

At Walmart, for $47.89, as of our latest check.

What do buyers say about the SUMELL 1500W Oil Filled Radiator Heater?

Rated 4.8 out of 5 from 5 ratings.

SUMELL 1500W Oil Filled Radiator Heater

Best price now

$47.89at WalmartChecked Nov 11

Prices are checked against each store and labelled with when.

Visit Walmart

SUMELL 1500W Oil Filled Radiator Heater

Best price now

$47.89at WalmartChecked Nov 11

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $47.89 at Walmart on Nov 11.

Our take on the SUMELL 1500W Oil Filled Radiator Heater

The SUMELL is a portable oil-filled radiator rated at up to 1500W, aimed at rooms of roughly 10–15 square meters. It offers three heat settings (600W, 900W, 1500W) and an adjustable thermostat, and it heats without a fan, so it runs quietly and gives steady, gentle warmth instead of blowing air. Four wheels and a front carry handle make it easy to roll between rooms, and it includes overheat protection and a tip-over switch. Against fan and ceramic heaters it trades fast room-wide warm-up for silence and steadier heat; against larger oil radiators it suits smaller rooms and tighter spaces.

Best forBedrooms and small officesSleeping, studying or working near the heaterPeople who want quiet, fanless heatMoving heat between rooms

Pros

Fanless design runs quietly
Three heat settings plus adjustable thermostat
Steady, gentle radiant and convective warmth
Four wheels and a front carry handle for moving
Overheat protection and tip-over safety switch

Cons

Slow to warm a room compared with fan heaters
Suited only to small rooms, about 10–15 square meters
Fins and oil stay hot after shutoff
Must be plugged directly into a wall outlet, no extension cord

SUMELL 1500W Oil Filled Radiator Heater prices at every store

WalmartNew
In stockSold by DominaReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$47.89Free shippingChecked Nov 11
Visit Walmart

About the SUMELL 1500W Oil Filled Radiator Heater

The SUMELL Oil Filled Radiator Heater is a portable electric heater with up to 1500W of heating power. It is designed for rooms of 10 to 15 ㎡, such as bedrooms, offices and other small to medium indoor spaces.

It has three heat settings: 600W, 900W and 1500W. An adjustable thermostat keeps the room at your preferred temperature. The fanless design heats quietly and gives steady, gentle warmth without blowing air around the room.

Four universal wheels and a front carry handle make it easy to move between rooms. It has a power indicator light, overheat protection and a tip-over safety switch that turns the heater off if it is knocked over.

Power: Up to 1500W
Heat settings: 600W, 900W, 1500W
Room size: 10–15 ㎡
Dimensions: 11.81" x 4.92" x 22.83"
Color: Black
Type: Oil-filled radiator, fanless
Controls: Adjustable thermostat, power indicator light
Safety: Overheat protection, tip-over safety switch
Mobility: 4 universal wheels, front carry handle

Specifications

color: BlackSource
actual_color: BlackSource
size: 11.81" x 4.92" x 22.83"Source

Questions and answers

How long does it take to warm a room?: Oil-filled radiators heat up gradually because the oil must warm first. Expect a slow build over the first several minutes rather than the instant blast of a fan heater, then steady warmth.
Is it really silent?: Yes. There is no fan, so the only sound is the occasional tick of the metal as it expands and contracts. That makes it suitable for bedrooms and offices.
What size room does it suit?: The maker rates it for rooms of about 10–15 square meters, such as a bedroom, small office or study. Larger or open rooms will need more heating capacity.
Can I use an extension cord or power strip?: No. The manufacturer says to plug it directly into a properly rated wall outlet and not to use an extension cord, power strip or adapter.
Does it shut off if knocked over?: Yes. A tip-over safety switch cuts the heater off if it is accidentally tipped, and there is also overheat protection.
How much clearance does it need?: Keep curtains, bedding, paper and other flammable items at least 3 feet away, and never cover the heater or place objects on top of it.
Where is the SUMELL 1500W Oil Filled Radiator Heater cheapest?: At Walmart, for $47.89, as of our latest check.
What do buyers say about the SUMELL 1500W Oil Filled Radiator Heater?: Rated 4.8 out of 5 from 5 ratings.