What Temperature Should My Boiler Be Set at in the Winter?
As winter approaches, it’s important to make sure your boiler is set at the optimal temperature for both…

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At a glance
As winter approaches, it’s important to make sure your boiler is set at the optimal temperature for both comfort and efficiency. Many homeowners aren’t sure what temperature their boiler should be set to during the colder months. In this guide, Kentish Plumbers explains the best temperature settings for your boiler, helping you maintain a warm home while saving on energy bills.
Why Boiler Temperature Settings Matter
Setting your boiler to the right temperature not only ensures your home stays warm, but it can also save you money.
Too high, and you’ll waste energy; too low, and you might not achieve the level of comfort you need. Finding the sweet spot for your boiler temperature is essential for both cost-effectiveness and comfort.
Recommended Boiler Temperature Settings for Winter
- Ideal Central Heating Temperature
The ideal temperature for your central heating system is typically between 18°C and 21°C (64°F – 70°F). This range provides a comfortable indoor environment without overworking the system. - Hot Water Temperature
For hot water, the recommended temperature setting is around 60°C (140°F). This ensures water is hot enough for use without promoting the growth of harmful bacteria like Legionella. - Consider Your Home’s Insulation
Homes with good insulation might not need to set their boiler as high as homes with poor insulation. If your home is well-insulated, you can set the boiler at a lower temperature, saving energy while keeping your home warm.
Tips for Energy-Efficient Heating in Winter
- Use a Room Thermostat
Consider investing in a room thermostat to regulate the temperature in your home more precisely. A smart thermostat can also help you schedule heating times and monitor your energy usage. - Keep Your Radiators Free of Obstructions
Ensure your radiators are not obstructed by furniture or curtains to allow the heat to circulate effectively throughout your home. - Service Your Boiler Regularly
Regular boiler servicing ensures it operates efficiently, reducing the risk of breakdowns and ensuring optimal performance. Kentish Plumbers can help with annual boiler servicing to keep your heating system running smoothly.
Setting your boiler at the right temperature can help you stay warm and save money. If you’re unsure about the best settings or need help with your heating system, Kentish Plumbers is here to assist you. We offer professional boiler servicing and advice to ensure your system runs efficiently all winter long.

Related articles
At a glance
As winter approaches, it’s important to make sure your boiler is set at the optimal temperature for both comfort and efficiency. Many homeowners aren’t sure what temperature their boiler should be set to during the colder months. In this guide, Kentish Plumbers explains the best temperature settings for your boiler, helping you maintain a warm home while saving on energy bills.
Why Boiler Temperature Settings Matter
Setting your boiler to the right temperature not only ensures your home stays warm, but it can also save you money.
Too high, and you’ll waste energy; too low, and you might not achieve the level of comfort you need. Finding the sweet spot for your boiler temperature is essential for both cost-effectiveness and comfort.
Recommended Boiler Temperature Settings for Winter
- Ideal Central Heating Temperature
The ideal temperature for your central heating system is typically between 18°C and 21°C (64°F – 70°F). This range provides a comfortable indoor environment without overworking the system. - Hot Water Temperature
For hot water, the recommended temperature setting is around 60°C (140°F). This ensures water is hot enough for use without promoting the growth of harmful bacteria like Legionella. - Consider Your Home’s Insulation
Homes with good insulation might not need to set their boiler as high as homes with poor insulation. If your home is well-insulated, you can set the boiler at a lower temperature, saving energy while keeping your home warm.
Tips for Energy-Efficient Heating in Winter
- Use a Room Thermostat
Consider investing in a room thermostat to regulate the temperature in your home more precisely. A smart thermostat can also help you schedule heating times and monitor your energy usage. - Keep Your Radiators Free of Obstructions
Ensure your radiators are not obstructed by furniture or curtains to allow the heat to circulate effectively throughout your home. - Service Your Boiler Regularly
Regular boiler servicing ensures it operates efficiently, reducing the risk of breakdowns and ensuring optimal performance. Kentish Plumbers can help with annual boiler servicing to keep your heating system running smoothly.
Setting your boiler at the right temperature can help you stay warm and save money. If you’re unsure about the best settings or need help with your heating system, Kentish Plumbers is here to assist you. We offer professional boiler servicing and advice to ensure your system runs efficiently all winter long.



















