Real Customer Reviews of the CIARRA Convector Heater

Test 1: a UK conservatory, October 2026

The first owner — a verified Amazon UK reviewer (Vine Customer Review of Free Product, 19 October 2026) — needed heat in a small conservatory that doubles as a home office, and specifically wanted something she could switch on remotely or schedule before walking in. That use case maps almost exactly onto what the heater is good at.

She ran it mostly in Low mode, drawing around 1,000W: "it takes a bit longer to heat up but it still does a good job at heating up the conservatory." That is the honest trade-off of convection heating in a glass-walled room — slower to start, but once the room is warm it holds temperature without the on/off cycling noise of a fan unit.

Two practical details stood out. First, the removable feet convert into a four-castor trolley, so the heater moves between rooms without lifting. Second, removing the feet exposes a metal bracket for wall mounting, giving a single product two completely different installation modes. She also praised the LCD, which sits under the glass at the front and confirms each mode change — a small thing, but it means you are not guessing at settings in a dim room.

The one problem she hit: pairing. The auto-install route for Wi-Fi did not work and the app could not find the heater. Adding it manually resolved it immediately, after which control over 2.4GHz Wi-Fi was "perfect." This is a recurring pattern with SmartLife devices and worth knowing before you buy. Check the real review.

Test 2: a German basement wellness room 

The second test comes from a German-language video review of the same heater (marketed there as "CIARRA"). The owner installed it in a lower-ground-floor wellness area with no underfloor heating and — crucially — no wiring provision left during the original renovation. A portable electric heater was the only realistic option, and it replaced a builders' site heater he had been using whenever his parents visited. 

His comparison was blunt: the site heater could not be regulated to a set temperature; this one can. He set it to 23°C and left it running overnight so his parents would not be cold, then demonstrated the weekly programme — Monday to Sunday, with different temperature blocks across the day, adjustable in 1°C steps from 5°C to 35°C. His example: set Friday to 25°C, or heat the room two hours before bed so it is warm on arrival. The feature he singled out as genuinely distinctive was open-window detection: if cold draught is detected, the heater switches itself off. He described it as both a safety measure and an energy saver — which is the correct framing, because a 2,000W appliance running against an open window is the single most wasteful thing a space heater can do. 

Two further points from his test matter for buyers. First, the castors: "super practical, easy to move" — and he noted his previous electric heater had none, which made it awkward. 

Second, the controls work fully without the app: press the temperature button on the side and adjust manually. His closing assessment was that the app control "is really great — other heaters don't have this." He also noted the heater can be wall-mounted, with screws included in the box, though he chose to keep it freestanding in a corner.

Heating Performance and Running Costs 

At 2,000 W, one hour of full-power use consumes 2 kWh; in Low mode (~1,000 W), it consumes about 1 kWh. Multiply by your own tariff to get the real number — for illustration only, at 24p per kWh, Low mode costs roughly 24p an hour and full power roughly 48p. Because convection heaters cycle on and off once a room reaches target temperature, actual consumption over a long evening is typically well below the maximum. 

One honest limitation: this is a 2,000W convective appliance. German buyers should note it is designed as a portable/transitional solution rather than a primary heating system replacement, and UK buyers should not expect it to transform a large open-plan space. It is a room heater.

Pros and Cons of Convector Heater

Pros:

• Genuinely silent — no fan, so it suits bedrooms, offices, and calls 
  
• Dual installation: four castors for portability or a wall bracket for permanent fitting 
  
• SmartLife app with a real 7-day, multi-block weekly timer 
  
• Open-window detection saves energy and adds a safety layer 
  
• Full manual control when you do not want to use the app 
  
• Glass front and black finish look considerably better than typical panel heaters 
  
• 5°C–35°C range covers frost protection through to fast warm-up 
  
• 2-metre cable gives usable placement freedom  

Cons 

• Wi-Fi auto-install pairing can fail; manual 2.4GHz setup needed (reported by the UK reviewer) 
  
• 2.4GHz networks only — no 5GHz support 
  
• Slower to heat a room than a fan heater, by design 
  
• 2000W means real running costs at full power 
  
• No published independent lab performance data

Who should buy it

It fits well if you have a small-to-medium room with no plumbed heating — conservatory, basement, converted garage, garden office, spare bedroom — or a room you only need warm at specific times of day. The weekly timer is the killer feature for anyone who works from home on a fixed schedule or wants a warm room on arrival without leaving a heater running all day.

Skip it if you need instant heat in a large, draughty space, if your Wi-Fi is 5GHz-only, or if you want a heater that doubles as a cooling fan.

Setup tips before you start

Set the app region and add the device manually rather than relying on auto-install — this is the exact fix the UK reviewer used.
Confirm your router broadcasts a 2.4GHz SSID; many modern routers merge bands, which is a common pairing failure.
If wall-mounting, fit the rear bracket first and check the cable run against your socket before drilling.
Set the weekly programme by day-part rather than hour-by-hour; the app supports multiple blocks, and two or three blocks per day is enough for most routines.

Plug in Smart WiFi Electric Convector Heater Radiator 2000W 

CBHX20-B

Preheat your space from anywhere with smart app control, so comfort is waiting when you arrive.

€179 from Ciarra

FAQs

Is the Ciarra convector heater silent?

Yes. It uses natural convection with no fan, so there is no motor or airflow noise — only a faint tick as the element cycles.

Does it work without the app?

Yes. Side-mounted buttons control temperature and modes, and the front LCD confirms settings. The app adds scheduling and remote control rather than replacing basic operation.

Why can't the app find my heater?

Almost always the network. The heater connects on 2.4GHz only — add it manually in SmartLife and ensure your phone is on the 2.4GHz band during pairing.

Can it be wall-mounted?

Yes. Remove the castor feet and use the metal bracket on the rear, with fixings included in the box.

How much does it cost to run?

Up to 2 kWh per hour at full 2,000W, or roughly 1 kWh in Low mode. Multiply by your unit rate; cycling means real-world use is usually lower.

You might be interested in: Electric Convector Heater Buying & Safety Guide