How to avoid condensation, damp and mold in homes – ‘ideal temperature’ for every room

With temperatures plummeting into minus figures, many households may be experiencing condensation on the inside of their windows and doors. This can be irritating, especially if there are a large amount of water droplets, reducing visibility outside. An expert has shared the ideal temperature Britons should keep every room of their home to help reduce the chance of condensation, dampness and mold from forming.

Speaking exclusively to, Steve Cox, Area Service Manager at SES Home Services, explained how condensation, damp and mold is formed. He said: “Condensation is caused by cold temperatures outside reacting with the warm temperatures inside the home causing air moisture aka water droplets, to form.

“This can cause damp, mold and damage to the window sills, and cause wooden window sills and flooring to swell. Therefore, it is important to take preventative measures to ensure that condensation is kept to a minimum.”

One of the ways these issues can be avoided is by setting the thermostat to a specific temperature, according to energy expert Ava Kelly at Love Energy Savings.

She told “To ventilate homes and prevent condensation and mold, the ideal temperature for living rooms is 20 degrees, 23 degrees for the bathroom and children’s rooms, and 16 degrees for the bedroom and kitchen.

READ MORE: ‘Ideal’ temperature to heat homes – ‘keeps energy bills to a minimum’

It’s also recommended that you never let the temperature of your home fall below 14 degrees.

Also it is better to set the heating to come on for a longer period of time but at a lower temperature. Spikes in temperature from very warm to very cold create the perfect conditions for condensation to form.

Steve agreed as he advised households to keep their home at a “consistent temperature” at all times rather than heating it up and letting it go cold before turning the heating back up again. He added: “This includes rooms that you might not be using as not heating and ventilating these, especially throughout the winter can cause dampness and mold.”

The experts have also shared a few other ways to prevent condensation, damp and mold formation. Steve said: “The best way to avoid condensation is to open the window trickle vents, this allows air moisture to move out of the building which lowers the chance of condensation occurring.”

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Trickle vents are fitted to the tops of the window frames and can help create ventilation and reduce condensation.

The small opening allows small amounts of ventilation in to help reduce the threat of condensation by allowing this humid air to escape.

As double glazing can sometimes contribute to condensation as it prevents air from escaping to keep in warmth – this trickle vent is the perfect solution for retaining heat but maintaining ventilation.

Most new windows should have these, or if it is a problem with your current windows, it is worth bringing it up in the consultation process of your new windows. Adding trickle vents to uPVC windows is definitely something worth considering.

READ MORE: Viral TikTok condensation hack to ‘stop’ using – ‘damages your home’

For those who do not have trickle vents, Steve just suggested that they open their windows daily to allow cooler fresh air to enter the home keeping it drier. He advised: “Try opening them for 15 minutes in the morning and 15 minutes in the evening to allow enough fresh air to enter without allowing too much warm air to escape.

“Ensure the windows are opened as wide as possible as this allows the process to happen faster, as a short intense blast of air is much better to ensure not too much heat is lost.”

However, before opening a window, he noticed that households should lower the temperature so that the heat does not come on and homes lose the heat straight through the windows.

He also suggested that Britons close the doors every time when entering and leaving a room. He said: “This will prevent warm air condensing in cooler rooms.”

Another way households can add ventilation is by purchasing a dehumidifier, according to Ava. She suggested: “Automatic ones are best, as once your home reaches 60 percent humidity they will automatically switch on and prevent mold developing.”

According to Scott, stopping any drafts from entering the home can help to prevent condensation, dampness and mold.

He said: “Simple fixes such as draft excluders for doors and windows can help to maintain a consistent temperature inside and stop the cold air from entering the property and excessively cooling walls and floors causing mold.”

Drafts happen where there are unwanted gaps in the construction of a house, and where openings are left uncovered. Homeowners will find drafts at any accidental gap in their home that leads outside.

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