When cooking you can often use the residual heat to to save energy if you switch your cooker off just before you finish cooking. However, you still need to make sure that your food is properly cooked through.

Carbon monoxide is a silent killer. Every year in the UK it kills around 50 people and sends 4000 to A&E for emergency treatment. Make sure you get all your combustion appliances properly serviced and fit an alarm. Good quality alarms are available from most DIY suppliers and take minutes to fit. It could save your life!

Draught excluders are a cheap way of cutting out the chill from poorly fitting doors and windows. Most are also easy to fit, a simple DIY task.

Thermostatic radiator valves (TRVs) only limit the maximum temperature areas reach. It is a common misconception that they change how quickly an area heats up. Don’t turn them up thinking the room will heat up quicker.

Properly used, dishwashers use less water and energy than washing dishes by hand. However, make sure you only wash full loads and don’t pre-rinse everything in the sink first unless it really needs it.

Building Management Systems (BMS) are great for controlling your building systems efficiently, but only if they have been properly set up! Check your system is properly configured.

Keeping extract fans and vents clean and clear from obstruction reduces energy use and makes then work more efficiently.

Thermostatic radiator valves (TRVs) help ensure your heating is evenly distributed where you need it. Check them to make sure they are set properly so each area reaches the temperature you need and gets no hotter.

Still using tungsten, halogen or fluorescent bulbs? Changing to LED lighting can save energy and money.

Insulation prevents heat moving in and out of a building. This makes it even more important for buildings with cooling systems which can benefit in both hot and cold weather.