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Heating & Thermostats Guide


In the UK, over half of our energy bills is spent on heating our homes [1]. To help reduce these costs, we should be as energy-efficient as possible with our home heating.

In this guide, we’ll provide you with advice on how you can heat your home efficiently. We will also discuss ways energy-efficient devices such as smart thermostats can help.

How can I increase my home heating efficiency?

Heating your home efficiently can also reduce your carbon footprint. Often an afterthought to reducing bills, but very important.

Here are some ways could maximise heating efficiency at home:


Without suitable insulation, you could be losing a significant amount of heat. You lose heat through walls, loft and even floors. Insulation helps to retain heat in your home. This means your heating won’t have to work as hard to maintain your ideal temperatures. This could help you save hundreds of pounds on your annual energy bills.


Draught-proofing helps to seal gaps in areas where cold air could enter. Draught-proofing your doors and windows could help you save around £20 per year [2] on your energy bills. It is also usually cheap and easy to do.

Get a new boiler

Your boiler is the nucleus of your home heating, so if it is inefficient, it will affect your entire system. An A-rated, energy-efficient boiler will heat your home effectively without using excessive energy.

Hot water efficiency

Approximately 28% of our hot water bill is spent on heating water in our homes [3]. By using hot water more efficiently, you could reduce your heating bill. Take a look at our water efficiency guide to find out more.

You should ensure that you are using your heating efficiently in order to reduce your energy usage. Adding an extra layer of clothing can help to make you less reliant on your home heating and help lower your bills.

Heating Controls

Heating controls can help you strike a balance between comfort and energy-efficiency. A home that has effective heating controls could save up to £75 a year on energy bills [4].

Here are some examples of devices that could help you get more control over your home heating:


Once you’ve programmed your room temperature, a thermostat will switch your heating on until this temperature has been reached. It will then turn the heating off to save energy. The device will aim to maintain the temperature in your home, switching the heating back on if there is a dip. You should set your heating to the lowest comfortable temperature. Turning your thermostat down by just one degree could help you save approximately £60 a year on your energy bills[5].

You can use multiple thermostats to create heating zones in order to boost energy efficiency. Zoning allows you to section your home into different zones and set different temperatures throughout. For example, you could create a zone for your bedrooms. This means you can set your ideal temperature during the night. This way you don't need to wastes energy by heating other areas such as your kitchen .

Smart thermostats are next generation thermostats. They allow you to set temperatures and modify heating settings from anywhere using an app on your smartphone, android or tablet. These gadgets also monitor your heating habits to create bespoke heating schedules to suit your lifestyle.

Thermostatic radiator valves (TRVs)

These devices allow you to control the temperature of individual radiators in your home; helping you save energy by turning off radiators in areas that aren’t in use.

Programmers/time control

These controls enable you to programme on and off time periods for your heating and hot water. This can help you save energy during periods when you are not at home.

If you want to increase your household’s energy efficiency and lower your energy bills, we recommend switching energy suppliers. Our free comparison tool could help you find an energy deal best suited to your needs. Alternatively, visit our energy guides to learn more about energy saving.








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