How long does it take to warm a room?

Oil-filled radiators heat the oil first, so expect a gradual warm-up rather than the instant blast of a fan heater. A small room typically feels the difference within 20 to 30 minutes, and the unit keeps giving off heat after it is switched off.

Is it safe to leave on overnight?

It has overheat protection and a tip-over shutoff that cuts power if it is knocked over, and it runs silently with no fan. Keep it clear of curtains and furniture and follow the manufacturer's clearance guidance.

What do the 600W, 900W and 1500W settings mean?

They are power levels: 600W for mild evenings, 900W for cool afternoons and 1500W for cold mornings or fast warm-up. The thermostat then cycles the element on and off to hold your set temperature.

Does it dry out the air like a fan heater?

No. It warms by fin diffusion rather than blowing air, so it does not create the dry, drafty feel some fan heaters produce.

Can I move it between rooms?

It is a freestanding unit, but oil radiators are heavy once filled, so it is best treated as a semi-permanent fixture in one room rather than carried up and down stairs daily.

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

At Walmart, for $37.99, as of our latest check.

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

Rated 5 out of 5 from 1 ratings.

Simenmax 1500W Oil Filled Radiator Heater

Best price now

$37.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

Simenmax 1500W Oil Filled Radiator Heater

Best price now

$37.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $37.99 at Walmart on Nov 12.

Our take on the Simenmax 1500W Oil Filled Radiator Heater

The Simenmax is a freestanding oil-filled radiator with a 1500W element, three heat settings (600W, 900W, 1500W) and an adjustable thermostat knob. It heats by fin diffusion, so it gives off steady, silent warmth without blowing dry air or fan noise, and it has overheat protection plus a tip-over shutoff. It suits bedrooms, studies and small living rooms where quiet matters more than fast heat-up. Against fan and ceramic heaters it is slower to warm a room and heavier to move, but it holds heat after switching off and runs silently, which is the trade-off most owners of oil radiators accept.

Best forBedrooms and nurseries where silence mattersHome offices and studiesSmall to medium rooms needing steady background heatHouseholds wanting tip-over and overheat safety

Pros

Silent operation, no fan noise or dry air
Three power levels for mild to cold days
Adjustable thermostat cycles the element to hold temperature
Overheat protection and tip-over shutoff
Retains warmth after it is switched off

Cons

Slow to heat a room compared with fan heaters
Heavy and bulky to move between rooms
Fins get hot to the touch, a concern with small children
Corded electric heat costs more to run than some alternatives

Simenmax 1500W Oil Filled Radiator Heater prices at every store

WalmartNew
In stockSold by Lilymont IncReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$37.99+ $17.88 shippingChecked Nov 12
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About the Simenmax 1500W Oil Filled Radiator Heater

The Simenmax 1500W Oil Filled Radiator Heater warms a room quietly and steadily. It uses a fin diffusion design to circulate warmth instead of blowing air with a fan, so it makes no fan noise.

It has three power settings: 600W, 900W and 1500W. A built-in thermostat knob lets you set the temperature you want, and the heater adjusts its power use automatically to help save energy.

Overheat protection and tip-over shutoff are built in. If the heater is knocked over, power cuts off instantly. A power indicator light shows when the heater is on.

Power: 1500W, with 600W, 900W and 1500W settings
Heating type: Oil filled radiator with fin diffusion design
Temperature control: Built-in thermostat knob
Safety: Overheat protection, tip-over shutoff
Indicator: Power indicator light
Color: Black
Dimensions: 11.81" x 4.92" x 22.83"

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 the oil first, so expect a gradual warm-up rather than the instant blast of a fan heater. A small room typically feels the difference within 20 to 30 minutes, and the unit keeps giving off heat after it is switched off.
Is it safe to leave on overnight?: It has overheat protection and a tip-over shutoff that cuts power if it is knocked over, and it runs silently with no fan. Keep it clear of curtains and furniture and follow the manufacturer's clearance guidance.
What do the 600W, 900W and 1500W settings mean?: They are power levels: 600W for mild evenings, 900W for cool afternoons and 1500W for cold mornings or fast warm-up. The thermostat then cycles the element on and off to hold your set temperature.
Does it dry out the air like a fan heater?: No. It warms by fin diffusion rather than blowing air, so it does not create the dry, drafty feel some fan heaters produce.
Can I move it between rooms?: It is a freestanding unit, but oil radiators are heavy once filled, so it is best treated as a semi-permanent fixture in one room rather than carried up and down stairs daily.
Where is the Simenmax 1500W Oil Filled Radiator Heater cheapest?: At Walmart, for $37.99, as of our latest check.
What do buyers say about the Simenmax 1500W Oil Filled Radiator Heater?: Rated 5 out of 5 from 1 ratings.