here’s the new recommended temperature according to experts

The radiator clicks once, then falls silent.
On the thermostat, the number “19” glows stubbornly in orange, like a rule written somewhere “for your own good”. Emma pulls her sweater tighter, blows on her fingers, and squints at the screen of her energy app. Her gas bill has jumped 30% in two years. Her feet are freezing. And somewhere on social media, yet another post preaches the famous “19 °C for the planet” mantra.

She sighs and walks to her bedroom. The air feels different there. Less heavy, easier to breathe. The thermostat shows 17.8 °C.

So who’s right here: the rule or her body?
And are we still living at the right temperature?

19 °C: a rule born in another era

The 19 °C recommendation didn’t fall from the sky.
It dates back to the 1970s and 80s, when the first oil crises pushed governments to limit heating in homes and offices. At the time, houses were badly insulated, windows leaked, and people mostly lived in one main room. The goal was simple: cut national energy consumption fast.

Today, that number is still repeated everywhere, from public campaigns to energy-saving posters in shared hallways. It’s become a sort of moral benchmark, almost a badge of virtue. Yet daily life has changed.
And our bodies, our homes, and even our work habits no longer match that old standard.

Take the example of Thomas, 42, who works from home three days a week.
His apartment was renovated in 2015, triple-glazed windows, insulated walls, everything up to code. When he strictly applied the 19 °C rule in winter, he started getting back pain and constant tension in his shoulders from shivering in front of his laptop. He wasn’t moving enough, and his body was permanently bracing against the cold.

One day his physiotherapist told him to try raising the temperature slightly during working hours. He went up to 20.5 °C in his office, and kept 18.5 °C in the living room. Two weeks later, fewer muscle aches, more focus, fewer endless “tea breaks” just to warm up.
Same bill overall, because his home retained heat better.

What experts are now saying is simple: a single magic number for all homes no longer makes sense.
Thermal engineers, sleep specialists, and even occupational doctors talk more and more about ranges, not fixed rules. Between insulation, personal metabolism, age, health conditions, and how we use each room, our “comfort temperature” can legitimately vary by 2 to 3 degrees.

The old 19 °C rule had the merit of shaking up wasteful heating habits. But it ignores two realities: the diversity of housing, and the fact that sedentary lives in front of screens change our sensation of cold.
*We don’t live the same way at 19 °C when we’re moving all day as when we’re stuck in Zoom meetings for eight hours straight.*

The new expert ranges: not one temperature, but several

What emerges from recent expert reports is a more nuanced, more practical approach.
Rather than aiming for one universal number, specialists now suggest a set of reference ranges, depending on the room and the time of day. For living areas where we’re active (kitchen, living room when we move around), they mention roughly 19 to 20.5 °C. For home offices or stationary work, many recommend nudging closer to 20–21 °C, especially if you tend to get cold easily.

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At night, the tone changes. Sleep doctors keep coming back to one idea: slightly cooler temperatures help us fall asleep faster and sleep deeper. For bedrooms, they often advise 16 to 18 °C, with good bedding and pajamas adapted to the season.
So the new “good” temperature is actually a flexible toolbox, not a rigid commandment.

We’ve all been there, that moment when the whole family argues over the thermostat.
Teenagers walking around in T-shirts in January, grandparents wrapped in blankets, and one person who always says, “Put on a sweater, we’re not heating the street.” This domestic theatre hides a physiological truth. Children and older adults regulate temperature differently. People with thyroid issues, low blood pressure, or who take certain medications can feel cold much more quickly.

Experts now say that forcing everyone into 19 °C without nuance can even be counterproductive.
Some seniors, scared of bills, under-heat their homes and end up with increased cardiovascular risk or respiratory problems. For them, aiming between 20 and 21 °C in living spaces in winter is not a luxury, it’s basic health protection.
The “right” temperature becomes a compromise between wallet, body, and building.

Behind this shift lies a simple logic: comfort at equal energy cost.
Better insulated homes can afford a slight rise in temperature in key rooms, while still consuming less than old, leaky buildings at 19 °C. Smart or programmable thermostats allow very fine-tuned scenarios: 20.5 °C in the living room from 6 to 9 p.m., 17 °C at night, 18.5 °C in the morning rush, then eco mode when everyone leaves.

Let’s be honest: nobody really programs this perfectly every single day.
Yet even half-optimised, this approach beats the old “same temperature, all the time, everywhere” model. It responds to our real rhythms: we move less in the evening, we need cool air to sleep, and we don’t want to wake up in a fridge.
Experts talk less about “restriction” and more about “smart distribution of heat”.

How to adjust your home to the new temperature logic

The first concrete move is surprisingly simple: measure reality.
Most of us blindly trust the number on the thermostat, but it can be off by one or two degrees, especially if it’s badly placed. Energy advisors often recommend putting a small independent thermometer in the centre of each main room, at about chest height, away from direct sunlight or radiators. Live with it for a few days and note the temperatures you actually have at different hours.

From there, you can start aligning with expert ranges. For example: 20–21 °C in the living room early evening, 19–20 °C during the day if you move around, 16–18 °C in bedrooms at night.
You test, you adjust, you observe your sleep, your concentration, your mood… and your bill.

One of the most common errors is raising the overall temperature of the whole home “just in case”.
You’re cold at your desk? The reflex is to bump the central thermostat up by two degrees. Yet the problem is often local: an air draft near the window, a bad chair leaving your feet on cold tiles, a radiator half-blocked by furniture. Sometimes a simple rug and a door draft stopper change more than one degree on the boiler.

Another trap: heating bedrooms like living rooms.
Many parents crank up the heat “for the baby” when pediatricians actually recommend a cooler, well-ventilated room, with adequate clothing and covers. And then there’s the guilt. That feeling that if you go above 19 °C, you’re doing something wrong for the planet. Experts insist instead on the trio: insulation, precise regulation, and habits (closing shutters, airing quickly, wearing adapted clothes).
The temperature number alone doesn’t tell the whole story.

Energy specialist Dr. Léa Martin sums it up this way:
“Stop obsessing over one magic number. Think in terms of zones, moments, and bodies. A well-managed 20.5 °C for three hours in the evening can be more efficient and healthier than a permanent 19 °C that nobody feels comfortable in.”

• Define zones in your home
  Living areas slightly warmer, bedrooms cooler, transition spaces (hallways) in eco mode.
• Use **programmable or smart thermostats**
  Set time slots instead of manually juggling the temperature all day.
• Prioritise comfort without guilt
  Focus on a reasonable range (19–21 °C living areas, 16–18 °C bedrooms) adjusted to age, health, and activity.
• Track consumption once a month
  Compare your bills or smart meter data when you tweak settings, not day by day.
• Act on the “little leaks” first
  Draft excluders, curtains, closing shutters at night, purging radiators: the boring stuff that quietly saves money and degrees.

Rethinking “comfort” in a warming world

The debate around 19 °C hides a deeper shift: we’re learning to live with the idea that we will have to heat less often and more intelligently, while also enduring more intense heatwaves. The temperature puzzle is no longer just about winter. It’s about protecting our health and finances in a climate that swings from extremes.

When experts talk about new recommended temperatures, they’re not giving us permission to heat recklessly. They’re inviting us to be more accurate, more attentive to what our bodies and our homes are telling us. A young, well-insulated couple in a city flat doesn’t have the same needs as an elderly person alone in a rural house from the 1960s.
Yet both hear the same simplistic message: “19 °C, period.”

The future probably lies in more personalised advice: neighbourhood energy coaches, apps that cross-check outside weather, insulation quality, and your actual usage, and even medical guidance for people at risk. Instead of asking, “Am I above or below 19 °C?”, the question becomes, “Am I in the right range, at the right moment, for my situation?”

That shift changes everything. It opens up conversations within households, between landlords and tenants, between citizens and public authorities. It also forces us to look at what we can really control: insulating better, investing in regulation tools when we can, sharing tips between neighbours.
The new recommended temperature is not a number set in stone.
It’s a moving point of balance, somewhere between comfort, sobriety, and common sense.

Key point	Detail	Value for the reader
19 °C is no longer a universal rule	Experts now talk about temperature ranges adapted to rooms, insulation, and lifestyle	Relieves guilt and allows more realistic, personalised settings
Different rooms, different needs	Roughly 19–21 °C in living/work areas, 16–18 °C in bedrooms at night	Improves comfort, sleep quality, and prevents over-heating the whole home
Precision beats restriction	Thermostats, zoning, and simple anti-draft measures can save energy at equal comfort	Lower bills without feeling like you’re living in a fridge all winter

FAQ:

• What is the new recommended temperature instead of 19 °C?Experts now suggest ranges: around 19–21 °C for living and working rooms depending on activity and insulation, and 16–18 °C for bedrooms at night.
• Is it bad for the planet if I heat to 20 or 21 °C?Not necessarily. The global impact depends more on insulation quality, heating system efficiency, and how long you heat, rather than one extra degree for a few key hours.
• My parents are elderly and cold at 19 °C. Is 21 °C reasonable for them?Yes. For seniors, doctors and energy advisors often accept 20–21 °C in living areas as a sensible health compromise, especially in poorly insulated homes.
• Should I keep my home at a constant temperature all day?Experts recommend programming variations: warmer when you’re present and inactive, cooler at night and when you’re away, instead of a permanent fixed temperature.
• How can I know if my thermostat is accurate?Place an independent thermometer in the middle of the room, away from radiators and windows, and compare readings for a few days. If there’s a 1–2 °C gap, adjust your settings accordingly.