what is the ideal room temperature?
Last updated on: 27 January 2025

What is the ideal room temperature?

Are you constantly adjusting the thermostat in your home? Do you find yourself shivering in the morning and sweating in the evening? Do you wake up in the middle of the night, either freezing or drenched in sweat? Finding the perfect room temperature can be challenging, taking years of trial and error.

The good news is that, with some knowledge, you can create a comfortable environment for your family while saving energy and reducing your bills. While the ideal temperature range for a home is typically between 18°C and 22°C, the optimal setting can vary depending on room location, physical activity, humidity levels, and clothing choices.

In this blog, I will discuss the ideal room temperature and the key factors to consider staying warm and cosy throughout the winter months.

What is the ideal room temperature in celsius?

what is the ideal room temperature in celsius?

Homeowners living in the UK often have varying preferences regarding the ideal room temperature, with the typical range falling between 18 to 20 degrees Celsius. The appropriate room temperature for your property will depend on the season, activity, and location within that range. It is essential to consider how much heat your home requires and what temperature would be most comfortable in that space.

For instance, if your bedrooms are located on the top level and you have a single thermostat controlling the temperature throughout the house, you may want to set it to a lower range (16 to 19 degrees) to prevent overheating the bedrooms, as heat naturally rises.

Conversely, the basement is often the coldest room in a house, so it may be beneficial to keep temperatures slightly higher in that area if you and your family frequently use it. Standard temperatures are suitable when people are home and awake but should be lowered when the house is unoccupied or during overnight hours.

It is essential to remember that everyone has their own unique preference for room temperature. If you enjoy wearing warm sweaters and cosying under a blanket, consider setting the temperature slightly lower. Conversely, if you prefer relaxing in shorts and a tank top, keeping the home marginally warmer may be more comfortable, although this can lead to higher energy bills.

Ultimately, the most important factor is ensuring you and your family are comfortable and content. Each individual’s body reacts differently to heat and cold based on metabolism and body fat percentage. Therefore, finding a temperature that suits your preferences and needs is crucial.

To make things simpler, below is a table telling you about the ideal temperature room-wise:

Average Room Temperature

average room temperature

RoomTemperature Setting
Bedroom16-19°C
Study Room20-22°C
Children’s Bedroom16-20°C
Bathroom22-24°C
Kitchen18-20°C
Entrance15-18°C
Corridors15-18°C
Storage Room15-18°C

The ideal room temperature in celsius for sleeping

the ideal room temperature in celsius for sleeping

Did you know that your bedroom’s temperature can significantly impact your sleep quality? It may seem obvious when you think about times when you were relaxing in the sun, soaking in a hot tub, or unwinding in a sauna. Were you feeling tired and sluggish in those moments?

These experiences demonstrate that temperature is crucial to our mood and overall well-being. However, many people mistakenly believe that higher temperatures are ideal for sleeping. In reality, the opposite is true.

For optimal sleep quality, Healthline recommends maintaining a bedroom temperature between 15.5 to 18.3°C. Notably, the recommended room temperature for toddlers and newborns is slightly higher, ranging from 16 to 20°C. Keeping your bedroom at the appropriate temperature can create a comfortable and conducive environment for restful sleep.

Why is the temperature so low?

why is the temperature so low

The root cause of this issue lies within your body’s internal thermostat. When your body recognizes that it is time to rest, it lowers your body temperature by a few degrees. This natural response is essential for a restful night’s sleep but can be hindered if the external temperature is too high or too low.

Consequently, the temperature at which you set your thermostat before bedtime directly influences the quality of your sleep, impacting your overall quality of life.

How exactly does temperature affect sleep?

Our core body temperature typically hovers around 37 degrees Celsius (98.6 degrees Fahrenheit) at night, with slight variations. Your room’s temperature should begin to decrease two hours before bedtime, aligning with the release of the sleep hormone melatonin. As you sleep, your body temperature drops to its lowest point in the early morning before gradually rising throughout the day.

The body regulates its temperature for sleep primarily by dissipating heat from its core and increasing blood flow to the extremities through vasodilation, a process controlled by the circadian clock. This is why some individuals may experience warm hands and feet at night, often mistakenly attributing it to actual body temperature.

Those with persistently cold feet may be more prone to sleep-onset insomnia, likely due to a disruption in this thermoregulatory mechanism. Therefore, it is crucial to calibrate your room’s temperature sensor to ensure that the environment in your bedroom is conducive to meeting your body’s specific temperature requirements.

What Happens When the Room Temperature Is Too Hot?

When the room temperature is too warm, it can cause more than just discomfort—it poses real risks to your health and well-being. Overheating disrupts your body’s natural thermoregulation, which is essential for restful sleep. This can result in dehydration, fatigue, and difficulty falling asleep, leaving you both physically and mentally drained.

Additionally, an overheated room often leads to increased energy consumption as cooling systems work overtime, unnecessarily driving up energy bills. By maintaining an optimal temperature using smart technology, you can save an estimated £150–£300 annually while ensuring a healthier, more comfortable living environment.

How Modern Technology Can Help You Maintain the Right Room Temperature?

Modern technology provides effective tools to help you maintain an ideal and consistent room temperature. These innovations not only enhance your comfort but also promote energy efficiency.

1. Smart Boiler Thermostats: These advanced thermostats allow you to monitor and control your home’s heating system remotely via your smartphone, optimising energy use based on your schedule and preferences.

2. Thermostat Timers: Set heating or cooling schedules to ensure your home is always at the perfect temperature when you need it, reducing unnecessary energy usage when you’re away or asleep.

3. Individual Room Thermostats: These devices let you control the temperature in specific rooms, ensuring you only heat or cool spaces in use, further enhancing energy efficiency.

4. Thermostatic Radiator Valves: These valves allow you to adjust the heat output of individual radiators, giving you precise control over the temperature in each room while minimising wasted energy.

With these innovative solutions, you can create a comfortable, healthy living environment while saving money on your energy bills. Controlling your home’s climate at the touch of a button not only simplifies life but also supports a more sustainable and efficient lifestyle.

Conclusion:

I hope that after reading the above blog, you now know the ideal room temperature in Celsius for different rooms in your home and are knowledgeable about how you can leverage smart technology to optimise energy consumption in your homes.

However, sometimes the issue is related to your boiler, as it might be old and inefficient. If that’s the case, investing in a new boiler might be a more suitable option in the long run.

 

FAQ’s

What is the ideal room temperature in Celsius?

The ideal room temperature is generally between 18°C and 22°C, depending on personal comfort and the room’s purpose. Bedrooms are often best at the lower end of this range, while living areas may be slightly warmer.

What is the ideal room temperature for the human body?

The ideal room temperature for the human body is typically around 20°C. This temperature supports the body’s natural thermoregulation, ensuring comfort and preventing issues like overheating or chills.

What is the ideal room temperature in the UK?

The ideal room temperature in the UK for comfort and energy efficiency is 18°C to 21°C. For sleeping, a cooler range of 16°C to 18°C is often advised.

Is 20 degrees Celsius considered a comfortable room temperature?

Yes, 20°C is widely considered a standard and comfortable room temperature. It is suitable for most people and falls within the range recommended for health and energy efficiency.

Posted by: Martin Astley 22 October 2021