Judgment
For those who make a good night’s sleep during the colder months a priority, Slumberdown’s Wonderfully Warm Electric Blanket is the one to choose. The fleece cover makes it infinitely more comfortable to sleep in than most, while the multiple settings ensure there’s no need to choose between being too hot or not warm enough. The only downside is that it takes a bit longer for the heat to penetrate the cover than it would on a blanket without, although the cover does seem to retain heat better when it’s warm. The possibility of washing the cover without washing the blanket also facilitates maintenance.
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Comfortable for sleeping
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Multiple settings and timer
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Removable, washable cover
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Expensive
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It takes a little longer to warm up than some
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The straps can stretch over time
Key features
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Sizes
Available in single, double, king and super king beds.
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Power
The single beds have single 60W controls, while the larger ones have dual 60W controls.
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Heat
You can adjust the heat in two areas (body and feet), with nine temperature settings.
Introduction
If you’ve previously dismissed electric blankets as uncomfortable to sleep on or difficult to keep clean, Slumberdown’s Wonderfully Warm Electric Blanket may be just the thing for you.
Its woolen cover achieves what many do not – comfort – while being easy to unzip and wash regularly, without worrying about electricity. Plus, since it’s available in four sizes (single, double, king and super-king on test), it’s easy to find the right one for your bed. Its controls are only 60W each, meaning running both at maximum for an hour (based on 34p per kWh) will cost just over 4p.
Design and features
- Separate foot and body settings
- Easy to install
- Nine temperatures
Whether you have poor circulation or your feet always feel cold, the Slumberdown Wonderfully Warm Electric Blanket has a solution. Its controls can be set to heat not only your body, but your feet as well. This means you can set your body low or not at all, while your toes stay warm.
Dual controls (on dual sizes and larger) also mean your partner doesn’t have to share your heat settings and can choose their own ideal combination. Another plus is the timer which allows for a choice of one, five, eight and 12 hours of heating before turning itself off, meaning you can keep it simmering all night. The body, feet and timer have just one button to cycle through the options, with a digital display and lights to indicate the selected setting. There is also an on/off switch to completely deactivate the cover.
The Super-King size is 170 x 160cm: slightly smaller than average mattress dimensions (6ft x 6ft 6in or 180 x 200cm), but all this means that the pillows don’t end up absorbing heat. Its woolen polyester cover zips on and off, and the cover attaches to the mattress with wide elastic bands, so dressing and doffing is done in seconds. It is packed in a reusable ziplock bag for summer storage, complete with a handle.
Performance
- Easy to set up
- Very comfortable to sleep on
- It heats up in about 15 minutes
Instead of one on each corner, there are two long elastic straps used to secure Slumberdown’s Wonderfully Warm Electric Blanket to the mattress. Each one twists under the mattress at the top and bottom, making it much easier to set up than an electric blanket that relies on cords. The controls attach under the blanket, so there is no white plastic bump on either side, making it easier to sleep on than some blankets.
On average, it took about 15 minutes for the blanket to become comfortably warm to the touch and about 40 minutes for it to be very done on the highest setting. The controls were easy to adjust: the ability to change the foot and body settings is one of the most attractive features, as is the timer: no worries about turning on the blanket and forgetting about it or wasting unnecessary heat.
Keeping the blanket clean is easier than most: the quilted cover can be washed at 40C regularly, and if the blanket itself gets dirty or smells, it can be washed at the same temperature. For this, the power cables are separated (there is one for each control), but with difficulty.
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Should you buy it?
You like to lie in a comfortable warm bed at the right temperature in the right places. This electric blanket is also ideal if all you want is warm feet immediately without the same warmth over the entire mattress.
You should not use the electric blanket so often. This is a more expensive product than many, so to get the best value from it you need to be a regular user during the colder months.
Final thoughts
Slumberdown’s Wonderfully Warm Electric Blanket eliminates all the common complaints about electric blankets: it’s comfortable, adaptable and easy to keep clean.
I appreciated how the quilted layer doubled as mattress protection and kept the wires from poking into my body while I slept. It may still do the same job as other electric blankets – warming your bed – but what it does is head and shoulders above the rest. However, if you’re on a budget, the Vonhaus electric heated blanket is equally easy to set up and operate.
How we test
Unlike other sites, we thoroughly test every fridge-freezer we review over an extended period of time. We use industry standard tests to properly compare features. We’ll always let you know what we find. We never, ever accept money for product reviews.
Learn more about how we test in our ethics policy.
- We test for at least two weeks.
- We use temperature sensors to monitor the internal temperature to make it easier to compare models from different manufacturers.
FAQ
It has dual controls on double and larger, so each sleeper can choose their perfect settings.
Yes, the top blanket and heated blanket can be washed separately.
You can get it in single, double, king and super king sizes.
Test data
| Slumberdown Wonderfully Warm Electric Blanket | |
|---|---|
| The cost of operating a heated blanket per hour | £0.04 |
Full specifications
| Slumberdown Wonderfully Warm Electric Blanket Review | |
|---|---|
| Manufacturer | – |
| Size (dimensions) | -1 xx INCHES |
| ASIN | B085574BL2 |
| Release date | in 2021 |
| Date of first review | 11.02.2022 |
| Model number | Slumberdown Wonderfully Warm Electric Blanket |
| Sizes of heated blankets | Single, Double, King, Super King |
| A type of heated blanket | Leaflet |
| Heated blanket number of heat options | 9 |
| Dual controls of the heated blanket | That |
| Heated blanket protection against overheating | That |
| UK RRP | £98 |
| USA RRP | TB |
