Due to possible installation of another log burner, we may have to replace a 600 x 1600 K2 type radiator with something smaller. We could possibly fit a 600x1000mm radiator in its place but I?m looking at ways of not losing too much output.
To this end I?ve been trying to search for fan assisted radiators that don?t look awful and have an output in the order of 9000 btu. Not costing and arm and a leg would be nice too.
Any suggestions?
Tim
Do you really mean 2.6 kW?
Two of these would give you about 1.7 kW at delta-T 50°C
Could you put the log burner on a concrete hearth incorporating a plinth heater?
Owain
Yep.
I?d much prefer a single unit that was man enough.
Hmm, maybe. How powerful are plinth heaters? We have a wet plinth heater in our kitchen but I don?t think it?s anywhere near 3KW.
Tim
We have one in the kitchen - it came with the house. Fairly compact it has three blower settings and a thermostatic control. They are noisy, very noisy and deafening. It gets very little use because of this.
That is quite an output power requirement. Even the quietest fans can be a little annoying in a quiet environment and they get noisier with age.
+1. I had one in the kitchen once, but the output was disappointing and the noise irritating.
2.6 kW
You've very probably ruled them out (on noise if not looks) but as appearance is a matter of personal taste I'll mention the Myson iVector. 600 x 800mm and 600 x 1000mm can both do 9000 BTU with 50 degrees Delta-T, and the larger with 30 degrees.
Thanks. It would certainly have the output but the only prices I can find are in US dollars and they?re pretty eye watering!
Looking at all the options I suspect we?ll just downsize the radiator and rely more on our old Baxi Brazillia to top up if necessary when the log burner isn?t alight. Undoubtably less efficient than heating with a condensing boiler but I suspect the payback period for a convector heater would be very long.
Tim
The latter could be done. Need to check out the cost though! ;-)
Tim
Now that I?ve found them, I?m leaning towards a triple panel radiator. Output won?t match in the size I want but on cost/simplicity basis it seems like the best way forward.
The Smith's space saver kickspace versions appear quieter on paper and in practice. I wouldnt want in a living room though
On 17/06/2020 16:43, Tim+ wrote: <snip>
c.£700 (incl VAT) in London last year
... and add a fan to boost output. It's finned which suits fans. In case that fool is still lurking round here, no it's not the optimised layout for fans but it does still increase output.
There's a simple formula for a quiet fan: use a large fan at low speed. It's not foolproof but it usually gets you quiet.
Completely silent fans require more care & less speed, but very quiet should be fine unless you're doing significant live AV recording.
NT
Adding a fan boosts output?? Golly.
If you?re really trying to be helpful how about posting a link to fans that can be retro-fitted to existing radiators. Is such a ready-made product exists (and isn?t ludicrously expensive) I would be interested.
Tim
The article doesn't state the noise level. The one that draws 18W when operating, you know you'll be able to hear that one for sure.
Paul
Thanks. I didn?t know such products already existed. Knowing what they?re called is half the battle when it comes to searching for such things.
Tim
FWLIW I looked at some of those (after looking at the Myson etc) but was underwhelmed by their looks (and my aesthetic standards are very much towards the pig sty end of the spectrum) and lack of inf. about noise, and worried about the radiator acting as a sounding board. So my current plan for when our combi finally arrives is a row of 12v, 100mm computer case fans in a shallow box - a bit like
I'm confident mine will look like shit if examined but hope when the box is painted the same as the wall it'll escape attention.
You could use smaller fans and mount them in a section of plastic electrical trunking.
Owain
That'd mean /buying/ fans rather than using the 100mm case fans from the loft!
And smaller means less air/more noise. I'd dithered about 120mm (it's a type 22 radiator well off from the wall) even if it means buying them.
Yes, it was a silly suggestion :-)
Radical thought - what about a car radiator and fan from a scrappy?
Owain
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