Keeping the oven door closed while you are cooking helps keep your oven at a stable temperature. It can also improve your cooking whilst saving you energy.

Fitting a new insulating jacket to a bare hot water tank can save over £100 per year. Costing just a few pounds, the investment can pay itself off in a few months.

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.

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!

Use the sun to reduce your heating bills. Leave internal doors open to rooms which trap the sun so the heat can spread to other areas.

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.

Make sure your computers are programmed to shut down and save power when not in use. Most operating systems have built in power settings and the capability of being switched on or off remotely if required. If you need them on for network upgrades and backups, commit to running these on a specific schedule and build this into you power settings. You’ll be surprised how much energy you can save.

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

Think before your print. Reducing the amount of material you print has a long list of benefits including saving paper, chemicals and electricity. More and more offices and industries are going paper free, so think about how you can reduce any printing you do.

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.