At 35 degrees, a fan still helps a little, but much less effectively than at 28 or 30 degrees. The airflow cools primarily by evaporating sweat from your skin. If the air is as warm as your skin or very humid, this effect decreases significantly. Furthermore, a fan does not lower the room temperature: it only moves air.
Direct answer: at 35 degrees, a fan provides less cooling because the air is almost as warm as your body. Combine it with sun protection, drinking water, and a cooler place in the house. For vulnerable people, a fan alone is not enough protection against heat.
How does a fan work when it is very hot?
A fan cools you, not the room. The airflow removes the layer of warm, humid air from your skin and accelerates the evaporation of sweat. That provides cooling. At temperatures around body temperature, you are constantly blowing air that is almost as warm as you are over yourself, which reduces the effect. You can read exactly how that works in how a fan works and whether it actually makes the room colder.
When is a fan still useful?
A fan is mainly useful as long as it is not extremely hot indoors and you can continue to sweat and drink. In dry heat, the airflow feels more pleasant than in stifling, humid heat. It works best in combination with other measures: keeping blinds closed during the day, opening windows in the evening and at night when it is cooler outside, and pointing the fan at your body instead of at the wall.
| Indoor temperature | Effect of a fan | Additional measure |
|---|---|---|
| Around 25-28 degrees | Clearly cooling | Fan on low setting |
| Around 30 degrees | Still noticeable, especially if the air is dry | Sun blinds and ventilate during cooler hours |
| Around 35 degrees | Limited | Find a cooler room, drink plenty of fluids, consider cooling with water |
What else should you do at 35 degrees?
Keep the sun out with curtains, blinds, or external sun protection and stay in the coolest room in your house, often on the ground floor or on the north side. Drink water regularly, wear airy clothing, and avoid exertion during the hottest hours. You can find more ideas in how to keep your house cool without air conditioning.
Pay extra attention to the elderly, young children, and people with health issues: they can suffer from the heat more quickly. A fan is not a medical device. Consult your GP in case of symptoms such as dizziness, headache, or shortness of breath.
Which Dynter fan is suitable for hot days?
Dynter has two types of fans that you can easily place near you.
Product: AirFlow AV25G Fan (white or gray)
Height and movement: height adjustable from 80 cm to 125 cm, with oscillating function
Speed: rotary knob with three speed settings, air speed 5.3 m/s
Energy consumption: 55 W (AC motor)
Product: AirFlow TV26G Tower Fan
Height and operation: 115 cm high, with remote control and three ventilation modes (Normal, ECO, Sleep)
Timer and power: timer function up to 7.5 hours, power 100 W
View the Tower Fan TV26G or the Fan AV25G White, or discover all air conditioners and fans. Do you want to run a fan at night? Read can a fan be left on all night? and how many watts a fan consumes per hour.
Frequently asked questions
Does a fan cool down the room?
No, a fan moves air and cools you through the evaporation of sweat. The room temperature remains the same.
Is a fan dangerous at 35 degrees?
Not in itself, but it does not protect you against overheating. Drink enough and find a cooler place.
Should I aim the fan at my body?
Yes, the cooling comes from the airflow over your skin. So aim it at yourself, not at the wall.
What is better in heat: a fan or an air cooler?
An air cooler can provide extra cooling in dry air through evaporation, but works less well with high humidity. In humid heat, a fan is often more practical.
When should I seek help during heat?
In case of dizziness, headache, nausea, or confusion. Contact your GP or call emergency services in case of an emergency.