With both the colder weather and the Ofgem price cap increasing arriving this month, it’s safe to say that households are looking for affordable methods of keeping warm.

If you don’t want to increase your energy usage by popping on the heating or an electric blanket, then a suitable alternative is the Silentnight Heat Genie Self Heating Mattress Topper. Better yet? It costs absolutely nothing to run.

Said to “retain heat throughout the night”, this mattress topper boasts a three-layer construction to keep you cosy. The unique heat reflective foil, thermal lining and deep-filled quilted top ensure you will be “cosy all night.”

Since it uses no power and works off your own body heat, it’s an energy-efficient product that will keep you warm without costing a penny. It can be bought in four sizes – single (£24.99), double (£29.99), king (£32) and super king (£44.99.)

It’s also easy to pop onto your bed, with elasticated straps that stretch over the corner of your bed and secure it in place. Since there is no power cord, you can also keep it fresh and clean by popping it into the washing machine on an easy cycle.

Silentnight Heat Genie Self Heating Mattress Topper
The Heat Genie Mattress Topper uses a unique three-layer design to retain and reflect body heat (Image: Silentnight)

Averaging a 4.6 rating on Amazon alone, the Heat Genie Self Heating Mattress Topper has been snapped up by those who say it is “much better than a heated blanket” and that it “aids a better night sleep”.

One positive review read: “This is a game changer. You will be warm and cosy all night with one of these. It could be a life saver in a power cut or in situations where there is no power. I slept better than I have in ages, and found it very hard to leave my bed this morning! Highly recommended.”

A second shopper praised: “Like – only takes a couple of minutes to feel the benefit and you stay nice and warm till you get up (sometimes this is difficult as you can get too comfortable!). Costs nothing to run, safe around pets and washable.

“Have bought a second one to replace electric blanket of an elderly relative (to go under bed pad). Dislike – nothing, worth every penny!”

Another shopper penned: “Was not convinced this would work, well after trying it during the very cold period I am converted. Much better than heated blanket ( too hot- off & wake cold – on again), stays warm & snug all night& therefore aids a better night sleep. Recommend and I also purchased one for my daughter.”

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Someone else added: “A great product that has helped keep me warm in bed without having to turn heating up. Within a minute or two of being in the bed you feel lovely and warm and wake up in the morning feeling warm still.”

One shopper, who still left a positive review, knocked a star off over the quality, as they wrote: “Admit to being sceptical (even after reading reviews) but it does work. Keeps you nice and warm and the silver layer doesn’t crackle. Loses a star for being on the thin side for a topper but you can’t have everything.”

Purchase the Silentnight Heat Genie Self Heating Mattress Topper on Amazon here.

If you want to keep bills low while staying warm, then Silentnight also offers the Self-Heating Giant Blanket. Priced at £40 from Argos, this blanket features the same three-layer technology to keep you warm without electricity.

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