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Fan heater buying guide

Updated: October 2026

The spare room goes cold first, and the heater you add to the basket is usually a fan heater for that one room. This fan heater buying guide is the check before you trust a low-energy line or a coverage number. You want a wattage that fits the room, a thermostat that cuts the power, and the safety switches the listing states. The [fan heater comparison](/hub/portable-heaters/fan-heater) ranks the 12 amazon.co.uk listings. Prices here are the shelf figures in that comparison, about £9 to £75, not a live basket. Products Compared used the listings and public UK guidance. This is not a lab test.

The spare room goes cold first, and the heater you add to the basket is usually a fan heater for that one room. This fan heater buying guide is the check before you trust a low-energy line or a coverage number.

Our top picks

Pro Breeze Pro Breeze ThermaCube 1500 W

Best overall

Pro Breeze Pro Breeze ThermaCube 1500 W
7.3/10about £33.99
View offer
DREO Dreo Atom 316 1500 W white

Rank 2

DREO Dreo Atom 316 1500 W white
8.5/10about £42.49
View offer
Amazon Basics Amazon Basics 1800 W ceramic heater

Preis-Tipp

Amazon Basics Amazon Basics 1800 W ceramic heater
7.5/10about £9.90
View offer
On this page
  1. 1.What a fan heater is for
  2. 2.Watts before features
  3. 3.Thermostat, timer and eco mode
  4. 4.The safety line on the listing
  5. 5.How to use the comparison

What a fan heater is for

A fan heater blows room air across a hot element, so you feel warmth in minutes and lose it when the fan stops. That suits an hour at a desk, in a box room, or in a caravan berth. The bill follows the kilowatts, and a ceramic badge leaves the unit rate alone. Speed, noise and leftover heat belong on the fan heater vs oil-filled radiator page.

Watts before features

Pick the watts before you pick a remote. Ideal Home quotes about 100 W per square metre, so about 10 m² sits near 1,000 W and about 20 m² nearer 2,000 W. Coverage fields in this batch disagree. Use the title wattage. A 700 W plug-in heater belongs at a desk or in a berth. The usual one-room model here is 1,500–2,000 W. The 2,800 W DAHTEC lists 12.7 A, above about 2.7 kW continuous on a BS 1363 plug, so keep it off the bedroom shortlist.
Pro Breeze Pro Breeze ThermaCube 1500 W

Testsieger

Pro Breeze Pro Breeze ThermaCube 1500 W
7.3/10about £33.99
View offer

Thermostat, timer and eco mode

A thermostat in degrees Celsius, plus a timer, limits the hours at full power. Eco mode cycles against a set temperature and does not change the unit rate. On the Warmlite WL44002, UK reviews disagree about the dial, and the listing does not settle it. The Dreo Atom 316 states 1,500 W, 5–35°C and a 12-hour timer. White is £42.49 and gold is £49.99, with shared review text, so do not add the counts. Where to put the heater is on the how to use a fan heater safely page.

The safety line on the listing

Electrical Safety First asks for a UK 3-pin plug, about one metre from curtains and furniture, and a wall socket rather than an extension lead. An overheat cut-out is a different line from a tip-over switch. The Warmlite WL44002 at £9.00 claims overheat protection and does not state a tilt switch. The Amazon Basics at £9.90 and both Dreo Atoms state tip-over protection. Oscillation moves the blast. It does not replace the switch.

How to use the comparison

Entry prices in this comparison sit around £9–£15. Mid-range ceramic models with a stated thermostat sit around £20–£50. In the cheap band, the Amazon Basics at £9.90 states a tip-over switch and the £9 Warmlite does not. The best fan heater page applies those checks to the 12 listings. This batch has no oil-filled radiator.

Common questions

How many watts do I need for a small room?
About 100 W per square metre is Ideal Home’s rule of thumb, so about 10 m² sits near 1,000 W and about 20 m² nearer 2,000 W. Draughts and a high ceiling push the figure up. Use the title wattage, ignore a coverage line with no unit, and keep about one metre clear.
Is a ceramic heater cheaper to run than a normal fan heater?
At the same wattage, a ceramic fan heater and a wire-element fan heater draw the same power on full. The Centre for Sustainable Energy ties the cost to the kilowatts. Eco mode can shorten the time on high. It leaves the unit rate alone. A 1,500 W hour costs less than a 2,000 W hour because fewer watts are drawn.
Does it need a thermostat or is a dial enough?
A dial is enough only when the reviews and the listing agree that it cuts the power. On the WL44002 they do not agree. A thermostat in degrees, plus a timer, is clearer, which is what the Dreo Atom 316 states at 5–35°C with a 12-hour timer. A large star count does not settle a disputed dial.
Should I insist on a tip-over switch?
Insist if a child, a pet or a chair can knock the heater over. Electrical Safety First pairs a tip-over switch with an overheat cut-out. Overheat protection alone leaves it running if it falls. The WL44002 claims overheat protection, and UK reviews say there is no tilt switch. Amazon Basics and both Dreo Atoms state one.
What does eco mode actually do?
Eco mode cycles the heater against a temperature you set, so it can spend less of the hour at full watts. Your unit rate stays on your tariff. It does not turn a 2 kW setting into 700 W while the heater is drawing 2 kW. Read the wattage beside the eco badge.
Can I trust the heats-up-to line on the box?
Treat it as a slogan. This batch includes 70 with no unit, about 200 to 300 square feet, 10 m² and 10–20 m². Those claims do not match, and none is a heat-loss figure for your house. Pair the title wattage with the 100 W per square metre rule of thumb.
When should I look at an oil-filled radiator instead?
Choose an oil-filled radiator for quieter heat that continues after switch-off, if you can wait. Choose a fan heater for a short blast if you will live with the fan. At the same wattage, a full-power hour costs the same. This batch only has fan heaters, so use the versus page for that choice.

Related pages

Fan heater

Best fan heater UK: Dreo Atom 316, not the £9 model

How to use a fan heater safely: socket, gap and off

Fan heater for a small room: 700 W, 1,500 W, 1,800 W

Fan heater vs oil-filled radiator: speed, noise, cost

Sources

Public UK sources for the plug, clearance, the seasonal-efficiency rule, and the unit rate. Listing prices, stars, and review counts are the amazon.co.uk figures in this set. Retrieved 16 October 2026.

  1. Electrical Safety First — Portable heaters (retrieved 16 October 2026)
  2. Regulation (EU) 2015/1188 — local space heaters (retrieved 16 October 2026)
  3. GOV.UK — Placing energy-related products on the UK market (retrieved 16 October 2026)
  4. Ofgem — Energy price cap unit rates and standing charges (retrieved 16 October 2026)
  5. London Fire Brigade — Portable heaters, gas fires and open fires (retrieved 16 October 2026)
  6. Centre for Sustainable Energy — Room heaters (retrieved 16 October 2026)
  7. BS EN 60335-2-30:2009+A13:2022 — room heaters (retrieved 16 October 2026)
  8. IET Wiring Matters, September 2025 — 13 A continuous load (retrieved 16 October 2026)
  9. North Yorkshire Fire and Rescue — Heating your home (retrieved 16 October 2026)