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Cabin dehumidifier heater recomendation ?

ronnie63

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Was thinking on an oil filled radiator but having researched up a bit it seems dehumidifiers are better and cheaper to run, can anyone advise?

Thanks Ronnie
 
Most don’t work very well in low temperatures so be carful which one you choose as the figures they quote can be for the room at 25c 80%.
I have a cheap one in my pin room but I also have a heater that keeps it above 14c so works fine, I also have a couple of DriEaz expensive LGR dehumidifiers that are really good but they cost about £1400 each!
A desiccant type dehumidifier will work better in lower temperatures so if you are not putting heating on that will be the better type for you.
Cant recommend any though as have not used that type.
They will add heat but nothing like a heater.
 
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Most don’t work very well in low temperatures so be carful which one you choose as the figures they quote can be for the room at 25c 80%.
I have a cheap one in my pin room but I also have a heater that keeps it above 14c so works fine, I also have a coupe of DriEaz expensive LGR dehumidifiers that are really good but they cost about £1400 each!
A desiccant type dehumidifier will work better in lower temperatures so if you are not putting heating on that will be the better type for you.
Cant recommend any though as have not used that type.
They will add heat but nothing like a heater.

Thanks so maybe best go for a heater then

This one claims to have built in heater?

https://www.appliancesdirect.co.uk/p_dd122fw-simple_ecoair-dd122fwsimple-dehumidifier/version.asp
 
No mention of heat output anywhere maybe it’s to defrost itself as they freeze up?
Might be better to have a cheap 1kw fan blower with thermostat or electric oil heater with timers, fan blowers are cheap.
You would have to empty the tank or drain to waste on that dehumidifier for it to run continuously.
You have a tough choice to make though.
Had this one quite a few years but use with a fan heater.
C2BDAC41-51AE-47D0-9F12-2CEED83E1D43.jpeg
 
Not sure if it helps if you're specifically looking for a dehumidifier. But I've used a few (1m plus) thermostat controlled tube heaters in my large log cabins for several years. Low wattage so relatively cheap to run. More effective in some respects than an oil rad in so far as they are spread over a wider area even if heat output lower. I also leave them on pretty well all the time outside the summer months. They keep the damp away and temp noticeably above freezing when there's a frost outside. Then just run a very small fan heater as a booster as required when inside. I'm just about to replace with a brick outbuilding so will go air source heat pump route which is also an option.
 
I run both an oil filled radiator and a dehumidifier, set at 50% humidity (therefore it’s not on all the time). I have a small Games Room in my external insulated garage.

The problem I can see having just a dehumidifier is that it will be on all the time and is not really to be used solely for heating.

I would go both or use a heater and then maybe a couple desiccant dehumidifiers. How well insulated is it?
 
I run both an oil filled radiator and a dehumidifier, set at 50% humidity (therefore it’s not on all the time). I have a small Games Room in my external insulated garage.

The problem I can see having just a dehumidifier is that it will be on all the time and is not really to be used solely for heating.

I would go both or use a heater and then maybe a couple desiccant dehumidifiers. How well insulated is it?

The roof has 25mm selotex as does the floor, the walls are 40mm spruce so no insulation, I may just go for Dimplex oil filled, don't want 2 contraptions burning juice! Probably mostly get used in the summer anyway. Already no room for a pin!

Thanks guys Ronnie
 
I don't have a de-humidifier and don't have a damp problem in my cabins......but I sympathise if you have to run a de-humidifier all the time. In my experience moisture usually builds up where there is inadequate ventilation even without there being a faulty dpc and even if cold walls are well insulated. Single skins are generally more problematic anyway and so it's often suggested to add a breathable membrane in those cases.
 
I just bought a Meaco ABC 12L the other day. Seems fine. It’s a compressor type as opposed to desiccant. Runs quite and is only about 140kw. Cost about £150.
 
My meaco packed up a few months ago so went for a cheap and cheerfull inventor 8l on amazon. Seems good so far and extracts about the same (2l overnight)
 
No, I hadn't measured humidity as typical reasons (dampness/smell/condensation/mould, etc) absent. Not a surprise as cabin purposely built with double glazed doors/windows and cavity walls (not single skin and lined) allowing for air circulation even after the 50mm Celotex insulation. BUT, the question intrigued me and maybe like many on this Forum I'm always tempted to add another piece of kit to the stack of tools and equip I've amassed over a good few decades........so now I have a digital humidity measure! Currently showing 47% humidity and in last 48 hours, in different locations, it's not gone thru 53%. In absolute terms that's perfectly ok imho and especially given the physical signs. I reckon the measure is a decent guide but not necessarily pin point accurate so I've benchmarked it in the house and it's in the same ball park - less than 5% flat difference to the cabin. I'd certainly run a dehumidifier if necessary as running cost is a very small fraction of the cost of the pins, etc.
 
Where I live in West Wales on a hill the outside humidity has been 85/90% for months now and even though my garage (house spec) which is massive and well ventilated the humidity is the same as the outside as it’s not heated, can’t put a dehumidifier in as I would need to seal the garage to make it work properly. Cardboard and paper can feel damp but luckily no mould due to air movement and garage is not damp just the air.
The pin room in my garage has small heater and dehumidifier and sits about 50%, it was quite high in there before I added the dehumidifier. It’s now a sealed room virtually and I can determine how I want the climate in there. If I had vented it there would now be high humidity in there as it’s 85/90% outside.
Everyones situation will be different depending on there location and weather conditions.
Good to know what your climate conditions in your room are though.
Think @Neil McRae had a cool gadget for that.
 
That's seriously humid and comparable to what we had on the West Coast of Africa and Hong Kong........probably the most humid of places that I used to live in and where even decent grade stainless steel would rust indoors! Yes, absolutely agree that build and outside conditions are going to vary; hence my comment in contrast to POIBUG who said he would not have a game room without a dehumidifier.
 
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