The electricity and gas bill has become one of those envelopes (now emails) that we open with a certain fear. Every month seems to bring a new surprise, and almost never a good one. But saving energy is not a matter of magic or living in the dark with a turtleneck in the middle of August. It's about understanding how we consume, where our money slips away, and what habits we can change without giving up comfort.
Whether you live in a 60 square metre flat or manage a company with several offices, the basic principles of energy saving are the same: efficiency, control, and a bit of common sense. Let's break it down.
Why Energy Saving Matters
Beyond the wallet, reducing energy consumption has a direct impact on the environment. Every kilowatt we don't use is a kilowatt that doesn't need to be produced, which translates into fewer emissions, less dependence on fossil fuels, and, by the way, a rather pleasant feeling of doing things right.
Economically, the difference between an efficient home and one that is not can mean hundreds of euros a year. In the case of businesses, we're talking directly about thousands. And that's without counting the subsidies, bonuses, and energy renovations that many autonomous communities are promoting.
Choosing the right supplier also matters. Companies like Total Energies offer tariffs tailored to different consumption profiles, allowing you to adjust spending without sacrificing the stable supply we all need. The key is knowing what you are contracting and why.
The Invisible Enemies of Saving
Before buying a new appliance or changing light bulbs, it's wise to identify the little energy vampires we have at home. The standby of devices, chargers plugged in without use, a poorly regulated fridge, or drafty windows add up to more than it seems. It is estimated that phantom consumption can account for up to 10% of the annual electricity bill.
And then there's the classic: setting the heating to 24 degrees in winter and the air conditioning to 19 in summer. A thermal inconsistency that the meter celebrates with enthusiasm.
How to Save Energy at Home
The home is where we have the most control, so it's also where it's easiest to start. You don't need a complete renovation to notice the difference; just apply several simple changes.
Properly regulating the temperature is the first step. In winter, keeping the thermostat between 19 and 21 degrees is more than enough. In summer, don't go below 24 when using air conditioning. Each degree more (or less, depending on the season) can mean up to 7% more consumption.
Lighting also makes a noticeable difference. Changing traditional bulbs for energy-efficient LEDs is an investment that pays off in a few months. They last longer, consume less, and don't heat the room like little decorative heaters.
As for gas, adjusting the boiler, bleeding the radiators, and maintaining a good temperature for hot water (60 degrees is the optimal point) helps to optimise performance. Contracting Total Energies gas with a tariff suited to the actual consumption of the home is another way to avoid overpaying for what you don't need.
Appliances: Invest Wisely to Spend Less
Changing a 15-year-old washing machine for one with an A energy label may seem like a whim, but in the long run, it's one of the most profitable decisions. The same goes for fridges, dishwashers, and dryers. The more efficient the appliance, the lower its impact on the bill.
And a tip that sounds like a grandmother's advice but works: using appliances during off-peak hours, when electricity is cheaper, can lead to significant savings if the contracted tariff allows it.
How to Save Energy in Business
In the business realm, things get a bit more complicated, but opportunities also multiply. A small business with offices, a shop with refrigeration units, or an industrial workshop have very different needs, but they all share one thing: energy expenditure is one of the highest fixed costs and, paradoxically, one of the least monitored.
An energy audit is the first step. Knowing where, when, and why consumption occurs allows for informed decisions. From there, there is a range of measures that any company can apply: installing presence sensors in common areas, replacing lighting with LEDs, improving insulation, zoned climate control, and, if the building allows, integrating renewable energies like photovoltaics.
The Human Factor
No matter how many smart systems are installed, if employees leave the lights on when they leave or devices in standby all weekend, savings evaporate. Training staff in good energy practices is as important as changing the boiler. And it is usually much cheaper.
Frequently Asked Questions about Energy Saving
How much can you really save with small changes at home?
By applying basic measures (thermal regulation, LED lighting, eliminating standby, and responsible use of appliances) an average family can reduce their bill by between 20% and 30% annually. It's not magic, it's consistency.
Is it worth changing energy companies?
Yes, as long as you compare well. Tariffs vary greatly depending on the consumption profile, and what is good for a student flat may be disastrous for a villa with a pool. Reviewing the bill each year and adjusting the contracted power is one of the most profitable gestures you can make.
Which appliance consumes the most?
The fridge takes the lead because it is plugged in 24 hours a day. Next are the oven, ceramic hob, washing machine, and air conditioning. But watch out: the combined standby of televisions, routers, and consoles also weighs more than it seems.
Is photovoltaics profitable for a business?
It depends on consumption, location, and available space, but in most cases, yes. The average payback period is around 5 to 7 years, and after that, the energy generated is practically free. Coupled with available subsidies, the investment becomes quite attractive.
How do I know if my home is efficient?
The energy certificate gives a pretty clear idea. Letters A, B, and C indicate good efficiency; from D onwards, there is room for improvement. A professional inspection can detect thermal bridges, air leaks, and other weak points that are not visible at first glance.
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