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Cozy up for winter: prep your heating for the cold season.

With winter approaching and rising CO₂ prices increasing heating costs, it's time to prepare your system. Combine maintenance with energy-saving strategies to stay warm affordably.
House outdoor view in winter.
Vaillant Engineer servicing an ecoTEC plus boilerVaillant Engineer servicing an ecoTEC plus boiler

Service Your Boiler.

Regular servicing ensures your boiler is running safely and efficiently, helping you avoid potential breakdowns during the colder months. A professional service can catch small issues before they escalate, ensuring your system performs optimally. By booking a service in the late summer/ autumn, you can ensure your system is in peak condition before winter sets in. This not only helps your boiler run smoothly but also extends its lifespan, saving you money in the long term.

Installer kneeling on the groundInstaller kneeling on the ground

Bleed Your Radiators.

Cold spots on your radiators can be a telltale sign of trapped air, which reduces their efficiency. If your radiators aren’t heating evenly, or some areas feel colder than others, it’s time to bleed them. Bleeding your radiators is a simple task that releases the trapped air, allowing hot water to circulate freely. This ensures your home warms evenly, without wasting energy.

Regularly bleeding your radiators, helps maintain the efficiency of your heating system. This small but vital maintenance step that can make a big difference in your heating performance and energy usage.

Check for Leaks and Blockages.

Winter conditions can exacerbate issues with your plumbing, particularly if your pipes are exposed or not properly insulated. Frozen pipes can burst, leading to costly repairs and disruption to your heating system. To avoid this, check your home for any signs of leaks (Look for any signs of water pooling, rust, or corrosion, or unusual sounds which can indicate a leak.), especially around your heating system.

Look out for blockages in your heating system as well. The condensate pipe, which removes excess moisture from your boiler, is particularly vulnerable to freezing in cold weather. It is important to ensure this pipe is well-insulated and clear of blockages to keep your system running smoothly. If you are unsure about check leaks for blockages, we strongly recommend to contact a professional for help.

A man is in the foreground with his hand on a heating control which is mounted on a blue wallA man is in the foreground with his hand on a heating control which is mounted on a blue wall

Check Your Thermostat Settings.

Optimising your thermostat settings is an easy way to ensure your home stays comfortable whilst managing energy costs. It’s important to find the right balance between warmth and efficiency. In winter, it can be tempting to increase the temperature. However, setting your thermostat to a steady, moderate temperature can prevent your boiler from working harder than necessary and save energy.

Consider upgrading to a smart control, such as the . Smart thermostats allow you to control your heating remotely and adjust it based on your daily schedule. They can learn your routine and adapt to outside temperatures, ensuring your home is warm when you need it without wasting energy.

Use night setback for your heating in your home.

Night set-back involves lowering the room temperature by a few degrees at night to save energy and costs. Since less warmth is needed while everyone sleeps, the heating output is reduced, e.g. at 10 pm at night, allowing rooms to cool gradually. The system can be programmed or adjusted manually in older setups. Heating resumes in the early morning, around 5 a.m., or if the temperature drops below the set night level, usually between 16 and 18 degrees. In flats without central heating access, manual thermostat adjustments may be necessary. Read up when night setback makes sense.

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Ventilate briefly instead of leaving windows tilted open.

Proper winter heating involves effective ventilation. Many believe that leaving windows tilted open conserves heat or quickly refreshes the air, but both assumptions are incorrect. This method can cool the walls around windows, leading to moisture buildup and mold. Instead, open windows fully for a few minutes regularly, and aim for cross-ventilation when possible. This brief ventilation efficiently exchanges air. Remember to lower the thermostat valve beforehand. If you have a , you won't need to worry about this and can save additional heating energy.

Insulate Your Home.

Effective insulation is key to preventing heat loss. This keeps your home warmer for longer and reducing the strain on your heating system. Without proper insulation, your boiler has to work harder to maintain a consistent temperature, which can reduce energy efficiency.

  • As night falls, lower your blinds and close curtains or shutters to reduce heat escaping through windows. This simple action can lead to significant savings on energy costs
  • Install insulation behind radiators to reduce heat loss through exterior walls. Insulation mats are available at hardware stores and you can save a little per radiator annually, making winter heating more efficient.
  • Seal draughts around doors and windows with weatherstripping or caulking to prevent heat loss, keeping your home warmer and your heating system more efficient.
Heat pump replacement

Consider upgrading your heating system.

If your heating system is over 10 years old, consider upgrading to a modern, efficient boiler or switching to a heat pump. Both options reduce your carbon footprint and heating bills. Keep in mind: Heat pumps are particularly efficient, using 75% environmental energy and only 25% electricity and may qualify for government grants to offset costs. Upgrading ensures better energy efficiency and reliability during cold months.

By following these steps, you’ll be well on your way to ensuring your home is prepared for the cold months ahead. From servicing your boiler to sealing draughts, small actions can have a big impact on your comfort and energy efficiency.

Time for you to embrace winter chill with a steaming cup of cocoa, and the snug sweater!

Dive deeper into efficient heating.