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11-01-2021, 12:41   #1
kadman
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Workshop heating.

AS the title says workshop heating.

What do you guys have. At the moment I have an old small stove,
thats not really doing the job for my large workshop.

Its about 40'x30'. I am looking for an option thats cheap enough to run.
I am considering a diesel/ kerosene heater, but not sure on its running costs.

So I would appreciate your input lads and lassies.

Thankyou,
K.
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11-01-2021, 12:45   #2
magicbastarder
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nothing. i have a bare roof too (felt on WBP, bare joists underneath), so the first thing i need to do is get some cheap foam insulation and friction fit it.
tiny shed compared to yours though, i think 13'x6'.
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11-01-2021, 13:17   #3
kadman
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My shed is 6"block uninsulated, and the roof is corrugated sheeting.

Not badly sealed around, but could be better.

I just priced a multi solid fuel stove from UK,2k plus the vat and 400 euro delivery,

and god only knows what tax and customs I could be hit with on arrival. So thats a non runner.
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11-01-2021, 13:42   #4
magicbastarder
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i've seen (in youtube videos!) stoves which run on the shavings for the workshop floor, but they're going to be specialist and not cheap, i suspect.
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11-01-2021, 13:46   #5
An Ri rua
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Would you not build yourself a DIY Masonry heater or a rocket mass heater? Would be well within your capabilities I'd imagine.
Along with a bit of insulation, it would be the common-sense way to heat your space.

I experimented with using storage heater bricks to soak up the heat of an open fire and it was impressive.
You could try storage heater bricks all around that stove, would be s cheap upgrade for now. But really, a rocket mass heater together with cob or masonry bricks would be a good job.

I use paraffin heaters for the past 10 years. You can run them quite cheaply on Kero. But thats is fumier than using paraffin/ROLF. Currently, I use Tozane (ROLF) in a home office large caravan. I wouldn't use kero in this situation but have done so in a large well ventilated room.

Last edited by An Ri rua; 11-01-2021 at 13:51.
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11-01-2021, 13:47   #6
kil
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How about this:
https://www.coopsuperstores.ie/Boru-...-Stove-1774233
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11-01-2021, 13:55   #7
An Ri rua
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That looks excellent for a VAT inclusive job from a top brand. Good spot!
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11-01-2021, 13:57   #8
kil
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That looks excellent for a VAT inclusive job from a top brand. Good spot!
All I'm missing is a workshop to put it into
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11-01-2021, 14:35   #9
Calahonda52
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Whatever u use should not increase the vapour load in the garage ... you know this anyway so

40 by 30 is a small house, am assuming the apex is two storey so best to think about insulation and infrared heating.
Get good boots if the floor is cold and some decent thermal clothing

Say, in meters, 11 by 9 by 3 high
so wall area is 120m2
say roof area is another 100
so (220 area by 2.0 U value by 14 delta T) = 6,160 W design load plus same again for ventilation losses so about design heat load is about 12,000 watts or 120W/m2 of floor area
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11-01-2021, 15:52   #10
kadman
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Originally Posted by Calahonda52 View Post
Whatever u use should not increase the vapour load in the garage ... you know this anyway so

40 by 30 is a small house, am assuming the apex is two storey so best to think about insulation and infrared heating.
Get good boots if the floor is cold and some decent thermal clothing

Say, in meters, 11 by 9 by 3 high
so wall area is 120m2
say roof area is another 100
so (220 area by 2.0 U value by 14 delta T) = 6,160 W design load plus same again for ventilation losses so about design heat load is about 12,000 watts or 120W/m2 of floor area
Never considered infra red heating to be honest. Looks like google will be busy later this evening

How cost effective is infra red heating. Insulation is gonna be a headache due to the fact of all the machinery and car classics in the place. Have to go overkill on the heater to accommodate for this if i have to..

All in all a diesel space heater would be the quickest and mobile to boot. But I want to check the running costs first.

I have seen some garage portable 3kw fan heaters, but not sure of the running costs yet, so will check that out.

Thanks for the input chaps
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11-01-2021, 17:10   #11
magicbastarder
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I have seen some garage portable 3kw fan heaters, but not sure of the running costs yet, so will check that out.
i'd assume 60c or thereabouts per hour?
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11-01-2021, 17:44   #12
Calahonda52
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i'd assume 60c or thereabouts per hour?
Yep that about right.
I would be concerned more about the loss of warm air than insulation.
One of my clients has gas fired radiant tube IR heating in a 5 bay garage, the doors are open most of the time.
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12-01-2021, 10:38   #13
monkeynuz
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I was actually about to link the same one, I saw it recently and wondered about it for myself although you need to consider the added cost of flue etc which can more than double the cost of the stove.

For now I’ve just bought a fan heater for my smallish workshop as I’m not in there much at the moment, I often wondered about contacting plumbers in the area for an outdated boiler being replaced and just adding some radiators.
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12-01-2021, 10:57   #14
kadman
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Originally Posted by monkeynuz View Post
I was actually about to link the same one, I saw it recently and wondered about it for myself although you need to consider the added cost of flue etc which can more than double the cost of the stove.

For now I’ve just bought a fan heater for my smallish workshop as I’m not in there much at the moment, I often wondered about contacting plumbers in the area for an outdated boiler being replaced and just adding some radiators.
I had a look at that link yesterday. But size wise its relatively small, just over 2 feet tall. So I doubt that will heat my requirements.

I have so many ideas from you guys that I am on google overload at the moment.
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12-01-2021, 10:59   #15
kadman
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I could go the boiler route and just do a domestic central heating setup
same as my own house. But I really dont want that level of work if there is a more reasonable option.
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