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Can You Dry Wet Clothes on a Radiator?

  • Nov 20, 2024
  • 4 min read

Updated: 6 days ago

A pair of wool gloves and a wool jumper drying on a white radiator

Drying Clothes on Radiators: Why It Costs You More Than You Think

Drying clothes indoors is sometimes unavoidable, especially in colder months. Many turn to radiators as a convenient solution, but is it the best option? While you can put clothes on a radiator, it is not recommended. It blocks heat from the room (increasing bills), tricks your boiler into shutting off early, and causes dampness that leads to mould. Here’s everything that you need to know.

 

Is It a Good Idea to Dry Your Clothes on the Radiator?

Drying clothes on a radiator might seem like a quick and easy fix, but the truth is, it’s not ideal. While the warmth from the radiator speeds up the drying process, it blocks the radiator’s ability to heat your room effectively. This can leave your space feeling cooler, making your heating system work harder to compensate. It’s a practical option in emergencies, but as a regular practice, it’s worth exploring alternatives.

2 jumpers and a pair of jeans drying on a white panel radiator

Can Drying Your Clothes on a Radiator Be Unhealthy?

Yes, drying clothes on a radiator can have health implications. Wet clothes release moisture into the air as they dry, significantly increasing indoor humidity levels. High humidity can exacerbate respiratory issues like asthma or allergies, especially for individuals sensitive to damp environments. If you have a pre-existing condition, the additional moisture can worsen symptoms by fostering an uncomfortable living space.

A man wearing a black shirt coughing into a tissue and holding his chest

Does It Cause Mould and Condensation?

Increased indoor humidity from drying clothes on radiators often leads to condensation on windows and walls. This damp environment is a perfect breeding ground for black mould spores and mildew, which can damage your home and pose serious health risks. Prolonged exposure to mould spores can irritate the respiratory system and worsen conditions such as eczema. Over time, this can lead to costly repairs to remove mould and restore affected surfaces.


Did you know? A single load of laundry can release 2 to 3 litres of water into the air. 


Mould around a white pvc window

What Effect Is There on Your Energy Bill?

Drying clothes on a radiator can drive up energy costs. When radiators are covered, the heat they produce is trapped, reducing their efficiency. This forces your boiler to work harder and longer to maintain your desired room temperature. Additionally, if you must use a dehumidifier or an electric fan heater to counteract the damp conditions created by drying clothes indoors, you’ll see a noticeable spike in your energy bills. 

A closeup photo of energy bill letters and a calculator

What is the Best Way to Dry Clothes Indoors?

Drying clothes indoors during the winter can be challenging, but with the right approach, you can avoid dampness, mould, and high energy costs. Here are some of the best methods and why they’re effective:


  • Use and position a clothes airer in a well-ventilated room: Using a clothes airer allows air to circulate freely around your clothes. Place it near a sunny window or a warm, well-ventilated room. Even in winter, a slightly open window or a fan can help airflow, speeding up the drying process. Proper ventilation reduces the risk of moisture buildup, which helps prevent condensation, mould, and mildew.


  • Use a heated airer: Heated airers are energy-efficient devices specifically designed for indoor clothes drying. They gently heat the air around your clothes, speeding up the drying process without causing excessive humidity. Many models have multiple layers for larger loads and come with covers to retain heat. Compared to radiators or tumble dryers, heated airers are cost-effective and prevent your home from becoming too humid. They’re economical, easy to use, and designed to avoid dampness and condensation problems associated with other methods.


  • Combine clothes airers with a dehumidifier: A dehumidifier removes excess moisture from the air, making indoor drying faster and safer. By placing a dehumidifier near your clothes airer, you can reduce drying time and keep indoor humidity levels low. Dehumidifiers prevent dampness and condensation, making them a great long-term solution for drying clothes in winter.


  • Use a tumble dryer (energy-efficient models): When drying time is limited, energy-efficient tumble dryers can be a lifesaver. Heat pump tumble dryers, for example, consume less energy than traditional models and are gentler on clothes. They are convenient for quick drying, and newer models are designed to minimise energy consumption and environmental impact.


  • Rotate and space clothes for even drying: Regardless of the drying method, ensure clothes are spaced apart to allow proper airflow. Rotate items periodically to expose damp areas to air. Proper spacing and rotation ensure clothes dry evenly and faster, preventing musty odours or damp patches.


  • Consider an indoor clothesline: If you have space, install a retractable indoor clothesline. It keeps clothes off the ground and away from furniture, promoting better airflow. It’s a space-efficient, cost-free solution that works well when combined with good ventilation.


FAQs

Is it safe to dry clothes on an electric radiator?

No, you should never dry clothes directly on an electric radiator as it is a significant fire hazard. Covering an electric unit blocks the ventilation slots, which can cause the internal components to overheat and fail, or in extreme cases, ignite the fabric. Always use a dedicated drying rack.


Will drying clothes on a radiator make my house damp?

Yes, drying clothes on radiators is a leading cause of indoor dampness because it releases large volumes of moisture into the air. Without proper ventilation, this moisture settles on cold walls and windows, leading to condensation and the growth of black mould spores.


Why are my energy bills higher when I dry clothes on radiators?

Your bills are higher because the clothes act as an insulator, preventing the radiator from heating your room. Your boiler has to run for much longer to reach the temperature set on your thermostat, wasting energy and increasing your monthly heating costs.

While tempting, drying clothes on radiators can cause uneven heating, increase humidity, and drive up energy costs. It also reduces the radiator's ability to heat your room effectively. By adopting these methods, you can dry your clothes efficiently, keep your home healthy, and avoid the common pitfalls of indoor drying during the winter months. And if you must absolutely 100% put clothes on your radiators to dry, be sure to provide adequate ventilation to that space.


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