With the arrival of summer and successive heat waves in Spain, keeping a comfortable temperature at home becomes an absolute priority. However, this usually translates into a significant increase in the electricity bill. Did you know that you don’t need to turn everything off to save?
The first step to optimizing our energy consumption is to know in detail which appliances consume the most electricity at home. The best energy is the one you know how to manage, and through this guide we explain which appliances have the greatest impact in summer and how you can use them more efficiently.
The ranking of the household appliances that consume the most in summer
During the summer season, the consumption profile of an average home changes significantly. These are the main culprits behind your increased electricity bill:
- Air Conditioning: It is, without a doubt, the king of summer. Depending on the hours of use and the efficiency of the equipment, it can represent between 30% and 50% of the energy consumed during the hottest months.
- The Refrigerator: Although it consumes less instantaneous power than the air conditioning, the refrigerator works 24 hours a day, 365 days a year. In summer, as the outdoor temperature is higher, the motor must work twice as hard to keep the interior cold, silently increasing its consumption.
- Washing Machine and Dishwasher: Using programs with high temperatures heats water using electrical heating elements, which skyrockets energy costs.
- Standby power (Vampire draw): Appliances turned off but plugged into the network continue to consume a small amount of energy (“energy vampires”) which, accumulated month by month, can account for up to 10% of the total bill.
Practical tips to reduce consumption and save on your bill
Reducing your electricity bill does not mean giving up comfort. With small changes in habits, it is possible to achieve a perfect balance between well-being and savings:
1. Adjust the air conditioning temperature
Set the temperature to 26°C. Each degree you lower below this figure will increase the energy consumption of the device by 7% to 8%. Also, remember to clean the filters at least once a year to ensure optimal airflow and prevent the motor from working too hard.
2. Optimize refrigerator use
Keep the refrigerator temperature at 5°C and the freezer at -18°C. Avoid opening the door unnecessarily or leaving it open for a long time, as each opening allows cold air to escape and the compressor has to start again. Never put hot food directly into the fridge.
3. Choose ECO programs
Use the washing machine and dishwasher on ECO programs. These programs take longer but heat the water less, reducing electricity consumption by up to 50% per cycle. Always make the most of the load capacity of both appliances.
4. Stop standby power
Use power strips with a switch to completely turn off devices like the TV, router, game consoles, or computers when you are not using them or when you go away for a few days.
Your energy partner: Reazziona helps you manage your consumption
Knowing the consumption of your appliances is the first step. The second is having an energy retailer that truly cares about your energy savings. At Reazziona Renovables, we offer transparent tariffs, personalized advice, and tools designed so you can understand and optimize your electricity spending without effort.

