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Costway 700W Portable Mini Electric Oil Filled Radiator Heater review

No. 8 of 10 in our oil-filled radiators ranking · Updated · How we rank

Our verdict: The Costway 700W Portable Mini Electric Oil Filled Radiator Heater ranks 8th of the 10 oil-filled radiators we compare, with 8.4 out of 10.

Costway 700W Portable Mini Electric Oil Filled Radiator Heater

8.4/10

A compact 700W oil-filled radiator with seven fins and a twist-dial thermostat. It suits a small bedroom, desk corner or bathroom where you want quiet background warmth, not fast heat.

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Why it's here

  • Seven-fin body with a 700W output
  • Adjustable thermostat
  • Small enough for a desk corner or a bathroom
  • Overheat protection

Keep in mind

  • Tip-over protection is not listed on the brand page, so check the manual
  • No timer or remote
  • Dial thermostat only, with no temperature readout

Why the Costway 700W Portable Mini scores 8.4

Each bar shows where it places among the 10 oil-filled radiators in this guide, so a full bar is 1st of 10. How happy owners are counts for most of the score.

  • How happy owners are7th of 10
  • How many rated it6th of 10
  • How new it is4th of 10

Level with the Hykolity Oil Filled Radiator Heater for Large Room WHG-1606-N1

The Hykolity Oil Filled Radiator Heater for Large Room WHG-1606-N1 and the Costway 700W Portable Mini Electric Oil Filled Radiator Heater score the same, so either is a safe pick. The Hykolity Oil Filled Radiator Heater for Large Room WHG-1606-N1 goes first because it is a much newer design. The Costway 700W Portable Mini Electric Oil Filled Radiator Heater leaves owners a little happier.

About the Costway 700W Portable Mini

The Costway 700W Portable Mini Electric Oil Filled Radiator Heater is a plug-in radiator for 120V US outlets. It has seven fins, each about 4 inches wide, and a built-in carry handle. The body measures 5.5 by 12 by 14 inches and weighs 8.6 pounds, so it moves easily from room to room.

The heat comes from oil sealed inside the body. The oil weighs 2.6 pounds, is permanently sealed, and never needs topping up. An element warms the oil, and the fins give off that heat to the room. There is no fan, so the heat builds slowly and lingers after the element cycles off.

Control is mechanical. You twist the dial to set the temperature, and the unit cycles to hold it. A power indicator light shows when it is on. Overheat protection shuts the heater off automatically. The brand page we found does not list tip-over protection, and the heater has no timer, remote or digital display. The box holds the heater and an instruction manual.

What owners report about the Costway 700W Portable Mini

We found little owner feedback for this exact model that we could open and read, so we do not report a pattern here. Check the listing's reviews for recent experiences, and read the manual for the points the brand page leaves out.

Who the Costway 700W Portable Mini suits

This heater suits a small room: a bedroom, a home office corner, a bathroom or a spot under a desk. At 700 watts it takes the chill off a small space and is silent because it has no fan. It is light enough to carry between rooms by its handle.

Look elsewhere if the room is large, if you want a timer or remote, or if you want a temperature readout. The Pelonis PH-14A has a remote and a 10-hour timer, and the DREO OH310 is a better fit for a large bedroom or home office. For a digital display, the De'Longhi Dragon Digital TRD40615E is the benchmark. If tip-over protection matters, for example around children or pets, confirm it in the manual first.

Questions about the Costway 700W Portable Mini

Where can I find the Costway 700W portable mini manual?

The heater comes with one instruction manual in the box. The brand page we found does not list tip-over protection, so check the manual for it.

Is the Costway 700W portable mini oil-filled heater any good?

It is a fit for a small room where you want quiet, steady warmth. It is not suited to large rooms, and it has no timer, remote or temperature display.

Does the Costway 700W portable mini heater have tip-over protection?

It is not listed on the brand page. The listings we read name overheat protection with automatic shut-off, so check the manual before relying on tip-over protection.

How big is the Costway 700W portable mini oil-filled heater?

It measures 5.5 by 12 by 14 inches and weighs 8.6 pounds. It has seven fins and a carry handle.

Does the Costway 700W portable mini heater need oil added?

No. The 2.6 pounds of oil are permanently sealed in the body, so there is nothing to refill.

Other oil-filled radiator picks

The other badge winners in our oil-filled radiators ranking.

All 10 oil-filled radiators, compared

  1. 1 Pelonis Oil Filled Radiator Heater with Remote and Thermostat PH-14ABest Choice 8.7 Check Price
  2. 2 De'Longhi ComfortTemp Full Room Radiant Heater EW7707CMBest Premium 8.7 Check Price
  3. 3 Tangkula Oil Filled Radiator Heater 700WValue for Money 8.7 Check Price
  4. 4 De'Longhi Dragon Digital Oil Filled Radiator Heater TRD40615E 8.6 Check Price
  5. 5 Amazon Basics Portable Oil Space Heater with 7 Oil-Filled FinsBest Budget 8.6 Check Price
  6. 6 DREO Oil-filled Radiator 310 OH310 8.6 Check Price
  7. 7 Hykolity Oil Filled Radiator Heater for Large Room WHG-1606-N1 8.4 Check Price
  8. 8 Costway 700W Portable Mini Electric Oil Filled Radiator HeaterThis review 8.4 Check Price
  9. 9 Comfort Zone Electric Oil-Filled Radiant Radiator Space Heater CZ7007J 8.2 Check Price
  10. 10 Comfort Zone 1500-Watt Oil-Filled Radiator Space Heater CZ8008 8.1 Check Price
See the full oil-filled radiators ranking

The Costway 700W Portable Mini on Amazon

Costway 700W Portable Mini Electric Oil Filled Radiator Heater

A compact 700W oil-filled radiator with seven fins and a twist-dial thermostat. 8.4 out of 10.

Check Price on Amazon

How we score it

Every score here comes from our ranking model; no editor sets the order. Too few review sites cover oil-filled radiators for their verdicts to lead, so this ranking is led by owners. It ranks products by how happy owners are, holding back any product few owners have rated until more agree. How many rated it and how new it is only settle close calls, and value for money earns its own badge rather than a higher place. We compared 16 models for this guide before settling on these ten.

Brands can't pay to be included or to move up. We last checked these picks in October 2026.

How we rank, in full

Where these facts come from