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Homes & Gardens
Homes & Gardens
Natasha Brinsmead

I can't believe the incredible difference a dehumidifier has made to my terrible window condensation – it's been a total game-changer and worth every cent

A bedroom in a bright loft conversion .

Living in an old house comes with lots of benefits – bags of charm and character included – but there are also some less welcome aspects.

Our home was built in the early 1900s and still has some of the original windows meaning, when winter hits, not only is it a pretty chilly place, but also that the glass tends to be streaming with condensation when we wake up and open the curtains.

This is not only a pretty bad look, but it also leaves the wooden window frames and sills covered water which, it turn, causes mold and the need for repainting them more often than we'd like.

Last year we did a bit of research into the best dehumidifiers around and ended up with the Meaco 20L Low Energy dehumidifier and, honestly, I couldn't be more pleased with the results.

Why I love using a dehumidifier overnight

The condensation in the morning on my window before I used a dehumidifier (Image credit: Natasha Brinsmead)
The amount of water collected overnight by my dehumidifier (Image credit: Natasha Brinsmead)
How clear my windows are now in the morning (Image credit: Natasha Brinsmead)

The condensation levels we were dealing with

This was our window on a pretty good day before we started using a dehumidifier (Image credit: Natasha Brinsmead)

Once colder weather set in, ,our windows resemble the inside of a shower screen in the mornings. I had put our dehumidifier away during the summer months but the condensation returning was my signal that winter was firmly here and its magic condensation removal properties were being called for.

Glenn Wiseman, manager at Top Hat Home Comfort Services says, 'Condensation happens when warm, humid air hits a cold surface, like your window, causing moisture to collect as droplets. Since we naturally release moisture while we sleep, bedrooms tend to get more humid, making them prone to this issue. A dehumidifier pulls in that moist air, removes the extra humidity, and releases drier air, which lowers the chance of moisture building up on cool surfaces like windows.'

If you are wondering how to stop condensation on windows overnight then read on to see the amazing difference our dehumidifier makes.

Without the dehumidifier, one of the first jobs of the morning used to be pulling out the most absorbent cloths we had and manually dry our windows off.

What I love about our dehumidifier

(Image credit: Natasha Brinsmead)

I live in the UK and our dehumidifier is the Meaco 20L Low Energy Platinum Dehumidifier And Air Purifier, which comes complete with a free HEPA filter. That's designed to remove things like dust mites and mold spores from the air which really offered us peace of mind given the age of our house. Before, we were constantly looking into how to remove mildew, but now there is no need.

Alongside whisking away the majority of the excess moisture that seems to get produced overnight, we love the fact that this model also has a laundry mode, meaning that it runs continuously for six hours before automatically switching off, regardless of the humidity in the room.

With no tumble dryer and limited space to hang out wet laundry, this is unbelievably useful when putting laundry to dry outside is no longer an option – plus it is cheaper to run.

Emptying the water tank is strangely satisfying

(Image credit: Natasha Brinsmead)

There is something oddly pleasing about sliding out the water tank on the dehumidifier in the mornings to see how much water it's managed to remove from our sleeping quarters during the night. In fact, it is hard to believe quite how much water is hanging around in the air. The 20 litre tank tends to be around half full after a day of running.

We were really keen to ensure that we were getting the most out of our dehumidifier so made sure we researched the best place to put a dehumidifier.

Simon Allen, co-founder at Fountain Filters says, 'To maximize the effectiveness, place the dehumidifier in areas prone to higher humidity, such as near the window or close to the bed, where exhaled moisture accumulates throughout the night.

'Starting the dehumidifier an hour before sleep allows it to bring humidity down to an optimal level before moisture levels peak,' continues Simon. 'This prevents the environment from reaching the critical point where condensation forms.'

Keeping the bedroom door closed also seems to help – we definitely notice the difference when we leave the door open a crack compared to when it is firmly shut. Oh, and be sure to look into how to clean a dehumidifier to keep it in tip top condition.

Other things we do to reduce condensation

Make sure to regularly remove your filter for cleaning (Image credit: Natasha Brinsmead)

While the dehumidifier is such a help in our battle against bedroom condensation, there are other things we have done over the years which we find really helps with the issue.

One of these is to ensure you look into ways to improve ventilation in your home – simply opening the windows helps, although it does mean upstairs is pretty arctic. We also oped for thick, lined curtains and try to keep the temperature as steady as we can to avoid extreme fluctuations.

'Yes, using a dehumidifier can help reduce condensation on windows, but it’s effective mainly when paired with other methods,' confirms Jon Gilbertson, president and CEO at Chris Heating & Cooling. 'Consider combining a dehumidifier with a humidity-absorbing window film or moisture-wicking window treatments,' continues Jon. 'These specialized products are designed to work with the dehumidifier, capturing excess moisture directly on the window surfaces while the dehumidifier maintains lower room humidity levels. This dual setup can create a more balanced moisture control system, focusing both on the air and window surfaces.

'Since condensation forms due to temperature differences, insulating windows with thermal curtains or adding an insulating film can also help prevent those chilly surfaces that attract moisture, complementing the dehumidifier's effect.'

Take time now to look into how to weatherproof your windows and you will reap the benefits in the depths of winter.

How much better is our window condensation using the dehumidifier?

It is so nice to wake up to a condensation-free view! (Image credit: Natasha Brinsmead)

I have to admit, I was a little skeptical that anything was going to help with our window condensation – but how wrong I was.

I am not saying there are never any traces of moisture on our windows when we use the dehumidifier, but the condensation problem is far more under control. In the instances where a little condensation still shows up, it tends to have been a very cold night and we do sometimes use the radiators in our bedroom to dry laundry which definitely makes things worse as the clothing's moisture rises into the air and eventually cools down on our windows.

Overall though, I wouldn't be without our trusty dehumidifier and highly recommend you give one a go if condensation is troubling your home.

FAQs

Is a dehumidifier noisy to run at night?

No dehumidifier is going to be totally silent when running and we all know how sounds seems to be magnified during the dead of night.

Ours does emit a little humming sound which is audible at night. This absolutely doesn't bother me – in fact I find it kind of soothing and, according to the manufacturer's specifications, it only has a noise level at one meter of a maximum of 46 dB.

My husband, on the other hand, likes things totally silent when sleeping so we do sometimes switch it off just as we go to bed and on again when we wake and it still works really well.

Bear in mind that a slight nighttime hum is better than spotting signs of mold in your home that could lead to health issues.

Meet the experts


Still unsure whether you should invest in a dehumidifier? Research what does a dehumidifier do before making your decision.

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