Which? Energy

Make your home more energy efficient

From simple draughtproofing to new heating systems, our expert guidance can help you reduce your bills and your carbon footprint.

Make your property more energy efficient

Find out about our free home energy planning service

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Pick energy efficient appliances

The appliances and other home products you use regularly can drive up your energy bills. Check how much a replacement will cost you to run over time as well as its upfront costs, and look for our Eco Buy recommendation on products we’ve tested.

Find out how much common household appliances cost to run