The best Könighaus infrared heaters, compared.
Top pick: Könighaus Smart Dual 600 W – Highest star score in this set, 4.2 from 205 reviews, with feet, a remote and Wi-Fi in the carton. Best value: Könighaus Smart Dual 450 W – About £99.90 with feet, a remote and a Wi-Fi thermostat already in the box, and 582 reviews. Updated October 2026.
A Könighaus infrared heater is a flat indoor electric panel, not a patio tube and not a convector. On amazon.co.uk the choice is between the Smart Dual family and the wall-only P-series. Smart listings include feet, a towel rail, a remote and a Wi-Fi thermostat. P-series listings include wall fixings and a 1.8 m cable, and they do not include a thermostat. Judge the watts against the space you occupy, a BS 1363 plug or a proper fixed connection, and a surface you can keep clear of fabric. The Energy Saving Trust says electricity costs about four times gas for the same energy, so these panels are a poor swap for gas central heating. How to match watts and family to the room is in the [Könighaus buying guide](/hub/heating/konighaus-infrared-heater/sub/konighaus-infrared-heater-buying-guide). The five amazon.co.uk listings split into two families. Smart panels can stand on feet or go on a wall. The manufacturer says the P-series must not go on the ceiling. The M-series is the ceiling model, and it is not in this set. Feet and an app against a bare wall panel are set out in the [Smart Dual and P-series guide](/hub/heating/konighaus-infrared-heater/sub/konighaus-infrared-heater-smart-dual-vs-p-series).
A Könighaus infrared heater is a flat indoor electric panel, not a patio tube and not a convector. On amazon.co.uk the choice is between the Smart Dual family and the wall-only P-series.
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Personal buying guide
Question 1 of 2
Which family do you want?
The 600 W Smart Dual scores highest in this set with 4.2 out of 5 from 205 amazon.co.uk reviews at £149.90. The spec table lists 600 W, 2.61 A, 100 × 100 × 1.3 cm and 7 kg, with feet, a remote, Wi-Fi scheduling, a towel rail and IP44 on the bullets. The last bullet still tells you to mount the 450 W infrared panel, a copied line that does not match the spec table, and you should treat the table as the wattage. Square metres are not printed on this listing, so room sizing stays a judgement call against insulation and ceiling height, not a Könighaus promise on amazon.co.uk. The maximum temperature setting is 70 °C on the file, unlike the 40 °C line on the 450 W Smart Dual. The product data for this ASIN share an image URL with the 800 W listing and hold only five review texts despite the 205 rating count, so the star line is broader than the quoted stories in the listing file. Review themes elsewhere in the set still apply: a hot surface you must not cover and mixed comments on app versus room feel. It is the top pick here on review average among these five listings, not a lab heat test.
Pros
Cons
Best for: A medium occupied room where you want the largest Smart Dual face in this set, with app control and a towel rail without buying a separate thermostat
Less suitable: Tight budgets that only need a desk spot, wall-only installs that reject feet, or shoppers who need a printed square-metre range before purchase
Specifications
Common questions
Is the spec table 600 W or 450 W?
The spec table says 600 W, 2.61 A and 100 × 100 × 1.3 cm. The last bullet still says to mount the 450 W infrared panel.
What control is in the box?
An integrated programmable thermostat, a remote and a Wi-Fi app with heating times and weekly schedules. IP44 and a towel rail are also stated.
What coverage is printed?
Square metres are not stated. A question on the listing asks for the heating range. The bullets do not give it. The maximum temperature setting is 70 °C.
The 800 W Smart Dual is listed at £169.90 with 4.1 out of 5 from 159 reviews on amazon.co.uk. The spec table gives 800 W, 90 × 90 × 1.3 cm and 9 kg, with the same feet, remote, Wi-Fi, towel holder and IP44 bundle as the other Smart Dual files. Again, the final bullet still mentions mounting the 450 W panel, which conflicts with the 800 W spec line. No square-metre figure is printed, and one Amazon review says 800 W suited only a small room while the panel felt large for that output. It shares a listing image URL with the 600 W Smart Dual in the product data even though the dimensions differ, so check the spec table on the live page before you assume size. The maximum temperature setting is 70 °C. It delivers more watts than the 450 W or 600 W Smart Dual options, but it is also the dearest row in this comparison and electricity still costs about four times gas for the same energy, per the Energy Saving Trust. Pick it when you want maximum Smart Dual wattage with the app and rail; step down if a smaller face and lower price cover the same spot.
Pros
Cons
Best for: A larger occupied room where you want maximum Smart Dual wattage with app control and you accept the highest price here
Less suitable: Small desk-sized spots the 450 W already covers, fixed wall-only plans better served by the P-series, or budgets capped near £100
Specifications
Common questions
What power does the spec table give?
800 W, 90 × 90 × 1.3 cm and 9 kg. The last bullet still says to mount the 450 W infrared panel.
Can it stand on the floor?
The listing includes stand feet and a wall mounting system. A towel holder, a remote and a Wi-Fi app are also in the bullets.
Is coverage stated?
No square metres are printed. The maximum temperature setting is 70 °C. IP44 is printed.
The P-600 is a 600 W wall-only panel at £121.90 with 4.0 out of 5 from 23 reviews, a thin but positive sample on amazon.co.uk. The bullets claim about 8–16 m² while the spec line prints 16 m², so treat the range as a manufacturer spread, not a guarantee for a cold extension. The box is fixings and a 1.80 m cable; the listing recommends an external thermostat and does not include one. Origin is printed as Germany and the listed weight is 11 kg, which is heavier than the 5.2 kg type row in Könighaus's 2023 manual. Do not merge those figures. No IP code appears on this amazon page even though the manufacturer manual rates the P types as IP44. One reviewer bought separate feet because the carton has no stand. If you will drill into a well insulated small room and add your own control, it is the bare P-series option in this set; if you expected feet, Wi-Fi or a thermostat in the box, the Smart Dual family is the other row in the table.
Pros
Cons
Best for: A small, well insulated room you will wall-mount, with a separate thermostat you plan to buy
Less suitable: Renters who need floor standing from the carton, bathroom jobs that rely on an IP line on the amazon page, or buyers who want app control without extra parts
Specifications
Common questions
Does the box include a thermostat or feet?
No. The listing includes wall-mounting materials and a 1.80 m cable. The bullets recommend an external thermostat. One review bought separate feet.
What room size is printed?
The title and bullets say about 8–16 m² for 600 W. The spec line says 16 m².
Is an IP code printed?
No IP code is on this listing. Bathroom is named as a room type. Overheat protection is listed as integrated.
Across 582 amazon.co.uk reviews, the 450 W Smart Dual sits at 3.8 out of 5. Reviewers who park it under a desk or on one floor say the spot warms within a couple of minutes, but several warn it is not for large or open-plan rooms. At £99.90 it is the cheapest panel in this set, and the carton already includes feet, a remote, Wi-Fi schedules and a towel rail, which is why it carries the best-value badge here. The listing prints IP44 and names the bathroom among room types; that line is not a wiring diagram. The maximum temperature setting on the spec table is 40 °C, lower than the 70 °C line on the larger Smart Dual files. Owners often call the surface too hot to touch, including the back, and some treat the thermostat or app reading as unreliable for the whole room. One review describes a delivery without instructions, feet or the remote. For one occupied small spot you can stand on the floor, it matches what UK reviewers describe; for heating a big cold room or replacing gas central heating, the wattage and the mixed star line are the limit.
Pros
Cons
Best for: A desk, home-office corner or small occupied room where you want feet, an app and a towel rail without buying a separate thermostat
Less suitable: Open-plan living space, whole-house heat, or anyone who needs a printed m² range before they drill or stand the panel
Specifications
Common questions
What does the listing say is in the box?
A remote, stand feet, a wall mounting system, fixing accessories and a towel rail. One review says a delivery arrived without instructions, feet and the remote.
Does the listing state an IP rating?
Yes. It prints IP44. Bathroom is among the rooms named in the bullets. There is no zone diagram on the listing.
What heat output and coverage are stated?
Heat output is 450 W. The maximum temperature setting is 40 °C. Square-metre coverage is not stated.
The P-800 is an 800 W wall panel at £138.90 with 3.5 out of 5 from 16 reviews, the lowest star average in this five-row set. Coverage figures disagree on the same listing: the title says 11–21 m² while the spec line says 8–21 m², so read the spec table rather than the headline alone. Like the P-600, the amazon box is fixings and a 1.80 m cable with no thermostat, remote or feet. TÜV SÜD approval is printed on the warranty line; that is not a UK comparative test or a running-cost proof. One review mentions a stencil in the box and a separate 2-pin timer plug that did not fit a UK socket, which is a reminder to confirm a BS 1363 plug before you rely on the lead supplied. The Amazon listing file holds only a handful of written reviews for this ASIN. Choose it when you want more watts on a fixed wall in a room that fits the printed range and you will add control; skip it if you need the higher review count and bundled app on the Smart Dual row.
Pros
Cons
Best for: A fixed wall in a small to mid-sized well insulated room where 800 W matches the printed range and you will wire in or plug via a proper UK thermostat
Less suitable: Buyers who want bundled Wi-Fi control, floor standing from the box, or a single clear m² figure without contradictions
Specifications
Common questions
What coverage figures are on the page?
The title says 11–21 m². The spec line says 8–21 m². Heat output is 800 W.
What is in the box?
Wall-mounting materials and a 1.80 m cable. No feet and no thermostat. One review mentions a stencil and a separate 2-pin timer plug that did not fit a UK socket.
Are voltage and an IP code printed?
Voltage is not stated on this listing. No IP code is printed. Origin is printed as Germany and the listed weight is 6.76 kg.
Five amazon.co.uk Könighaus listings are on this page. The score on each row is the star rating divided by 5, then multiplied by 100. A 4.2 becomes 84. That is a reading aid for this set, not a measured heat test. Review counts, the shelf price and what is in the box sit beside the score. The highest score is the top pick: the Smart Dual 600 W. Best value is the Smart Dual 450 W, because the carton already includes feet, a remote and a Wi-Fi thermostat and the review sample is 582. The P-600 is cheaper than the 600 W Smart Dual, but the thermostat is not in that box and the sample is 23 reviews. The weights below sum to 100. There is no lab test.
Amazon stars
40%The row score is the amazon.co.uk star rating divided by 5, then multiplied by 100. The Smart Dual 600 W is 4.2 from 205 reviews, which is 84. The 800 W Smart Dual is 4.1 from 159. The P-600 is 4.0 from 23. The 450 W Smart Dual is 3.8 from 582. The P-800 is 3.5 from 16. A higher star line is not a lab heat test.
Family and controls
25%Smart Dual if you want feet, a remote, a Wi-Fi thermostat and a towel rail in the carton. P-600 or P-800 if you will mount the panel and add your own thermostat. P-series bullets say the thermostat is not included. Könighaus ties its Regulation 2015/1188 claim to using a thermostat.
Watts and coverage
20%Match watts to the space you occupy. The P-600 states about 8–16 m². The P-800 title says 11–21 m² and the spec line says 8–21 m². Smart Dual listings here state no square metres. Reviews of the 450 W panel describe a desk or a small room, not an open-plan space. A copied 450 W bullet on the 600 W and 800 W pages does not replace the spec table.
Plug, IP and origin
15%Smart Dual listings print China, 230 V and IP44. P-series listings print Germany and do not print an IP code. The 2023 manual rates type P-600 and P-800 as IP44. One P-800 review describes a 2-pin timer plug that did not fit a UK socket. Confirm a BS 1363 plug. IP44 is not permission for zone 0.
A Könighaus infrared heater warms the spot you occupy. The decision is the family, then the watts, then whether the plug and the bathroom zone agree with the listing. Read the spec table when a bullet still says 450 W. This is not a lab test, and a seller sentence about a bathroom is not a zone approval.
A Könighaus infrared heater in this comparison is a flat indoor electric panel. It is not a patio tube and it is not a convector. The five amazon.co.uk listings split into two families. Smart Dual panels can stand on feet or go on a wall. The carton includes a remote, a Wi-Fi thermostat and a towel rail, and the listings print IP44. P-600 and P-800 are wall-only. The box is fixings and a 1.80 m cable. The thermostat is not included. The manufacturer says the P-series must not go on the ceiling.
Reviews of the 450 W Smart Dual describe a desk or a small room. Square metres are not printed on the Smart Dual listings. An open-plan space is outside what those reviews describe.
P-600 and P-800 listings include wall fixings and a 1.80 m cable. The thermostat is not included. One reviewer bought separate feet. The manufacturer says the P-series must not go on the ceiling.
The 600 W and 800 W Smart Dual bullets still say to mount the 450 W panel. The spec tables say 600 W and 800 W. Treat the table as the wattage. TÜV SÜD on the P-800 line is not a UK comparative test, and the 98% figure is the manufacturer's claim.
Choose the family before the wattage. Smart Dual if you want feet, an app and a towel rail in the carton. P-600 or P-800 if you will drill a wall and add your own thermostat. The manufacturer says the P-series must not go on the ceiling. The ceiling M-series is not in this set. Then match watts to the space you occupy. The P-600 states about 8–16 m². The P-800 title says 11–21 m² and the spec line says 8–21 m², so read the spec table. Smart Dual listings here state no square metres.
Confirm the plug and the origin as printed. Smart Dual listings say China and 230 V. P-series listings say Germany. One P-800 review describes a 2-pin timer plug that did not fit a UK socket. Confirm a BS 1363 plug before you rely on the lead. A bathroom needs an electrician if the panel will sit in zone 1 or 2. Smart Dual claims IP44. These P-series amazon listings do not print an IP code. The 2023 manual rates type P-600 and P-800 as IP44.
Three typical situations, each with a recommendation from this comparison.
You want feet and an app for one occupied corner, and you can accept a hot 450 W panel. The Smart Dual 450 W is best value at about £99.90, with a remote, Wi-Fi and a towel rail in the carton, and 3.8 from 582 reviews. Reviews describe a desk or a small room, not an open-plan space.
You will drill a wall and add a thermostat yourself. The P-600 is the bare wall panel at about £121.90, with fixings and a 1.80 m cable, and a stated range of about 8–16 m². The star line is 4.0 from 23 reviews. The carton has no feet, remote or thermostat.
You want a towel rail, and an electrician will keep the panel out of zone 0 and treat zones 1 and 2 as fixed wiring. The Smart Dual 600 W is the top pick at about £149.90. The listing prints IP44, feet, a remote and Wi-Fi. IP44 is not permission for a socket beside the bath.
The top pick is the Könighaus Smart Dual 600 W at about £149.90. It has the highest score in this set, 4.2 from 205 amazon.co.uk reviews, with feet, a remote, Wi-Fi and a towel rail in the carton. That score is the star line divided by 5, not a lab heat test. Best value is the Smart Dual 450 W at about £99.90, with the same kind of carton and 3.8 from 582 reviews. Use the P-600 or P-800 only if you will add a thermostat. These panels are a poor swap for gas central heating.
Könighaus Smart Dual 600 W
Highest star score in this set, 4.2 from 205 reviews, with feet, a remote and Wi-Fi in the carton.
Könighaus Smart Dual 450 W
About £99.90 with feet, a remote and a Wi-Fi thermostat already in the box, and 582 reviews.
Editorial
Peter F. is the editor for DIY & tools at productscompared.co.uk. Comparisons in this category are checked against amazon.co.uk listings, review evidence and public UK sources.
Guides on what to look for, how to use a product, and common mistakes.
Public UK and manufacturer sources named below. amazon.co.uk prices, stars and review counts on these five listings are the figures compiled for this comparison on 20 October 2026. Page updated October 2026.
This page contains affiliate links to amazon.co.uk (tag pcuk26-21). If you buy through them, we may earn a commission at no extra cost to you. Prices, stars and review counts are taken from those listings. We did not run a lab test.
