What dehumidifier?

ALAN COCHRANE · Post by **ALAN COCHRANE** » Wed Feb 25, 2015 3:25 pm

Hi Everyone

I'm looking for some sage advice on what dehumidifier to buy for the smaller of my two garages.
The exisitng unit seems to have lost the will to dehumidify and runs constantly. I've cleaned the filter and fiddled with the settings to no avail. In addition it's the older type that tends to freeze below 5 degrees. It's also at least ten years old and isn't really worth fixing.
My garage is mainly of wooden construction and measures approximately 5.5mx3mx3m. I'm not looking to spend a heap of cash since it's the Boxster that's in there usually and it isn't quite as prone to dissolving into a pile of brown dust as the rest of the fleet.

Cheers

Alan

Post by **Heuer** » Wed Feb 25, 2015 7:55 pm

I bought one of these (you need a dessicant):

http://www.amazon.co.uk/gp/aw/d/B005G7M ... ref=plSrch

tim wood · Post by **tim wood** » Wed Feb 25, 2015 8:34 pm

I also have one of these and run it for about 5 hours each night on a timer.

Actually I am on my 2nd of this model. They do not have a great reliability record as the heater eventually burns out and thus cold air is dispensed.

You can buy a kit to fix it at about ?50 but the units can be purchased on gumtree and the like for about this cost.

Which is exactly what I did.

You definitely need the Desicant type as these will work in very cold temperatures.

I've been running these for about 3years and wish I had installed one sooner.

Regards
Tim

Post by **mgcjag** » Wed Feb 25, 2015 8:42 pm

Hi Alan....I have one of these, from screwfix http://www.screwfix.com/p/12ltr-dehumid ... ehumidifer using it for a couple of spare rooms that dont get used.......for a wooden garage i would think that the dehumidifier would just keep pulling moisture in through the wood.....in my garage i just keep a 9in desk fan blowing under the car, the car has a couple of old bed sheets as a dust cover.....moisture dosent settle on a surface that has air moving across it.....works very well....Steve

Tony · Post by **Tony** » Thu Feb 26, 2015 12:11 am

A well ventilated garage is very good as long as you have good air movement. my car does not seem to suffer. A good clue is if your aluminium rocker covers get a bit of a haze on them during the winter months. Although this is easily resolved with a bit of a wipe over every now and again. As Steve has stated air movement is definitely the answer and does not use any electricity.

ALAN COCHRANE · Post by **ALAN COCHRANE** » Thu Feb 26, 2015 9:25 am

Gents thanks for the replies. Air flow is not a problem since the garage is built on the side of the house, in the driveway. It has a roller door at each end to act as a drive through. The driveway is a natural wind tunnel and you can feel the air movement coming around the doors.

Steve

Is the dehumidifier you've recommended a desiccant type similar to the one David has mentioned.

Cheers

Alan

Post by **mgcjag** » Thu Feb 26, 2015 9:40 am

Hi Alan.....no it just a standard type.......cant see how a dehumidifier will help you...if u have lots of air flow it will just keep pulling moisture from the air, they should idealy be used in an area that is fairly sealed to keep moisture to a set level.........Steve

PeterCrespin · Post by **PeterCrespin** » Thu Feb 26, 2015 9:42 am

If you have roller doors each end and can feel the air moving through this natural wind tunnel I think you can safely give up on trying to dehumidify Eastern Scotland. Our nearest star hasn't managed it in 4.5 billion years so I'd save your fuel bill.

Meanwhile, trying to dehumidify a well-ventilated space using dessicants is like trying to relocate the Sahara one grain at a time

...into a headwind.

You've already achieved as much as you can with ambient humidity by not living on the Glasgow side. Anything more will require some kind of sealed enclosure to limit the air you're attempting to dry out. I hear Arizona is nice, but short on Irn Bru and 'neeps.

paulsco · Post by **paulsco** » Thu Feb 26, 2015 9:44 am

I use a Meaco DD8L junior which is excellent.

(can be bought cheaper than this)

I thought my garage was dry, but this produces a container of water a night; I think I may have some gaps and I am trying to dehumidify the planet!

I believe it can be fitted with a permanent drain tube to save the constant emptying though.

Paul

Post by **mgcjag** » Thu Feb 26, 2015 9:53 am

Hi Paul.....even in a so called dry garage im not supprised that u pull a tank of warer per night......there is a huge amount of water in the air.....try putting it in your living room for a day and see what u collect.....the best thing for our cars in a standard garage in the UK is lots of air flow and using a fan ensures it....unsess of course u have a carcoon....Steve

ALAN COCHRANE · Post by **ALAN COCHRANE** » Thu Feb 26, 2015 3:18 pm

Again thanks gents for the replies.
Plenty to think about. I take the point about airflow being the best rust inhibitor. The winter's nearly over so I might leave it for now.
In fact did we even have a winter here. It's been non-stop sun and relatively mild temperatures for most of the season with no snow whatsoever. What is happening to our weather?
The oft told story about the east of Scotland being dryer than the west is actually very true. We only get half the rainfall of the unfortunate west coasters and Fife has it's own micro climate governed by the Forth & Tay Rivers. So mustn't grumble.
Irn Bru has now been scientifically proved to cure Ebola but at the cost of dissolving the patient from the inside out.

Cheers

Alan

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