Going for a brisk walk is a great way to generate heat, keep warm and improve circulation. Plus, it's free – and who doesn't enjoy a crisp, bright winter's day if you're wrapped up well enough?
If you want to get flexible, Bikram and Hot Pod yoga classes take place in rooms or areas heated to 35C or more.
Re-use the heat from your kitchen
Open your oven when you’ve finished cooking to release the heat into the kitchen. It will emit plenty of residual heat and can effectively warm up adjacent rooms.
Another tip is to leave the bathwater in the bath instead of pulling the plug when you've finished - this acts like a warm radiator and keeps the bathroom toasty.
Five money-saving tips for winter
Cut out sneaky draughts
As well as the usual suspects of windowsills and exterior door frames, look in other places where they might come in, such as loft hatches, around catflaps and extractor fans.
Adhesive draught excluder is a good, cheap option for stopping them – it's easy to cut to size and stick in place.
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Keep the heat in
It sounds obvious but try to take fewer trips when you're bringing your shopping indoors from the car.
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Leaving the front door open may be easier, but if you can, leave shopping on the doorstep and get it indoors quickly in one go, closing doors to adjacent rooms in the hallway to prevent more cold air from getting in.
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Use aluminium foil to keep in the heat
Grab a roll of aluminium foil from the kitchen cupboard and attach it to the wall behind radiators, shiny side up.
This isn't as bizarre as it sounds. It will reflect heat back into the room and could in turn make some small savings on your heating bills.
And if you can, make sure that radiators aren't blocked by big items of furniture such as chairs and sofas, which can make them less effective at warming a room in an economical fashion.
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Keep one room warm
Is it cheaper to heat one room or the whole house to stay warm this winter? It depends on your radiators and heating.
If you have thermostatic valves fitted, you can turn them down in the rooms you're not using so the boiler is only being used to heat the room you're in.
If you don't have thermostatic valves, it may well work out cheaper to use a heater in that room rather than heat your whole home.
For anyone working from home who has laundry to dry, using an electric airer like Dry:Soon can also heat your study as well as drying your clothes. And it's a bargain as it can cost less than 6p an hour to run.
How to save money on winter energy bills
Heat things up in the kitchen
While a hot cup of tea, coffee or hot chocolate will keep out the chill, winter is a great time for a warming curry too.
The chilli in curry boosts circulation by widening the arteries, and also gives a warming sensation by stimulating nerve endings.
Read more about saving money on your household bills
Get an early night
End the day with a hot bath (don't pull out the plug - see above) before hopping into a toasty bed.
Old favourites like hot water bottles and electric blankets are great, but wheat bags that you heat in the microwave are also good.
Or treat yourself to a super-sized YuYu. At more than 80cm long, this luxury hot water bottle warms more than just your toes.
An early night isn't quite hibernation, but at least spring will be one day nearer when you wake up.
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