Drying clothes and managing humidity

Drying clothes and managing humidity
After having a retrofit and home energy planner survey, we discovered that the soot lines that track the ceiling timbers on the surface of the plaster ceiling is from internal condensation : created from cooking and drying our clothes on the radiator by the back door.
We have been advised to dry the clothes elsewhere ( possibly the bathroom where we do have plenty of room to put clothes on a drying rack or an airer to use with a dehumidifier or humidistat wall extractor.

This is what I have found so far. Any other thoughts would be appreciated.

https://inthewash.co.uk/laundry-and-ironing/dehumidifier-vs-tumble-dryer-for-drying-clothes/

https://indoorairsolutions.co.uk/bathroom-dehumidifier-do-they-work/#:~:text=A%20dehumidifier%20will%20have%20many%20more%20features%20such,when%20you%20leave%20the%20room%20after%20a%20shower.

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I can recommend the Meaco 12 as a laundry dehumidifier (also coats, shoes etc.).

Remember to keep the door closed when using a dehumidifier so that you don’t end up trying to dry the whole house. Conversely when not using one use the extractor fans and keep all doors open so that no one room becomes too humiand damp air is removed from the house.

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Ebac are the best and made in the UK - we have used them to deal with just this problem in our old house. You can buy direct or I think Argos sell them under the Argo brand: https://www.ebac.com/ - get one with the Smart Controls.

I suggest that you compare power consumption and water extraction rates for several makes and models. Perhaps the length of guarantee too.

If you don’t have an extractor fan in your bathroom, it’s a good idea to get one anyway to prevent moisture buildup from using the shower etc. If you’re worried about heat loss, you can get single-room MVHR extractor fans that get rid of the old moist air, but retain the heat from it (well, most of it). An extractor fan will use a lot less energy than a dehumidifier, so if you have the drying space in the bathroom and are happy to install one, then that might be a good option.

If you get a dehumidifier instead then you are not limited to drying the clothes in the bathroom - just do it wherever is most convenient. We use one to dry our clothes in the spare bedroom, and it works just fine. The main reason we don’t dry them in our bathroom is due to lack of space.

I suggest getting humidity monitors - less than £10 combined with a thermometer. I have several and when they show 70% humidity I turn on the dehumidifier.

Both Ebac and Meaco are good makes, but as Tim Gilbert says “I suggest that you compare power consumption and water extraction rates”.

Also note that different types of dehumidifier work better at different ambient temperatures.

Thanks Tom.
How would I source and compare the extraction rates ?

Thanks in advance :+1:t3:

Thanks everyone for your advice here. It’s so helpful to have foresight of you all. :blush: Makes my life so much easier :blush:

In the case of Meaco their web site has nominal extraction rates for an assumed humidity. In reality there will be a curve with high extraction at very high humidity and negligible extraction at minimal humidity.

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This is true when not heating the house but in the heating season you need to take into account the need to heat the cold air drawn into the house to replace the extracted air.

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Thanks everyone @Tim_Gilbert @andyham @epickering @tom and @lloydham for all your feedback in helping me understand the best approaches for managing humidity.
I’m particularly interested in the Ebac dehumidifier - mostly because it’s British made and I want to chase them up to discuss their service for enabling parts and repairs.
Embodied carbon and lifecycle to waste feels just as important as the energy efficiency of anything we choose to install in our homes.
This is the reason I’m so wary of insulating and using materials that if they fail cannot be recycled or support the oil industry in the production of them.