With the arrival of winter, many people face a recurring issue: their home stays cold even when the heating is turned on. You might adjust the thermostat, turn up the radiators or add extra blankets, yet the chilly feeling remains. This not only affects home comfort, but also drives up energy consumption and your heating bill.
If you identify with this situation, you may be making some common mistakes that cause you to lose heat without realizing it. In this article, we explain the three most common reasons why your home does not retain heat properly and, most importantly, how to solve them simply and effectively.
1. Poor insulation around windows and doors
One of the main culprits behind heat loss in homes is poor insulation around doors and windows. Even if you cannot see it with the naked eye, warm air can escape through tiny gaps while cold drafts enter, forcing your heating system to work harder to maintain temperature.
To detect this problem, try a simple trick: run your hand along the edges of windows and doors on a cold day. If you feel a draft, there are air leaks. Another method is holding a lit candle near the frames; if the flame flickers, air is coming in.
The fastest and most affordable solution is applying adhesive weatherstripping around window and door frames. You can also install thermal curtains, which create an extra barrier against the cold. If your windows are very old and single-glazed, consider upgrading to double-glazed windows, which can reduce heat loss by up to 50%.
2. Not bleeding radiators and neglecting preventive maintenance
Trapped air bubbles inside radiators prevent hot water from circulating evenly, leaving cold spots across the surface. Bleeding your radiators before the cold season starts y realizar un mantenimiento periódico de las tuberías e instalaciones garantiza que el calor se distribuya sin obstrucciones.
- Bleed radiators at the start of every winter season until water flows steadily without air pockets.
- Check boiler pressure regularly (ideally between 1.2 and 1.5 bar when cold).
- Schedule annual preventive maintenance with a certified technician to keep heat exchangers and pipes clean.
3. Using the heating system incorrectly
Many people believe that turning the thermostat up to maximum will heat the house faster, but this is a mistake. Heating works progressively, so cranking up the temperature suddenly only consumes more energy without improving comfort.
Another frequent mistake is turning the heating completely off whenever you leave home in very cold weather, which forces the system to expend much more energy to reheat cold walls and rooms upon your return.
To optimize your heating usage, follow these tips:
✔️ Keep the temperature between 19°C and 21°C during the day and 17°C at night.
✔️ Use a programmable thermostat to adapt heating to your daily schedule.
✔️ Never cover radiators with furniture or wet clothes, as this blocks heat emission.
By following these habits, you can reduce energy consumption by up to 20% without giving up a warm, cozy home.
Conclusion
If you want to make sure your home is well insulated and your heating system operates at peak efficiency, at Fontcal Cantabria we can help. We offer:
✅ Installation and maintenance of heating systems.
✅ Thermal insulation solutions for roofs and facades.
✅ Expert advice to improve your home’s energy efficiency.
Feel free to contact us for any questions or services related to your plumbing and heating installations!