Don’t Let the Cold Cut Your Evening Short: Why Duux Heated Cushions Are the Smartest Way to Stay Outside Longer
There’s a particular kind of disappointment that comes with a British summer evening. The sun’s still up, the garden’s finally warm, and then, right around 8pm, the temperature drops, someone shivers, and the whole group drifts back indoors. The evening that could have run until midnight is over by nine.
The usual fixes for this are a gas patio heater, a fire pit, or piling on extra jumpers and blankets. They all work, to a point. But they’re either expensive to run, awkward to move around, or genuinely not built for anywhere outside the sofa. That’s the gap Duux’s heated cushion and seat pad range is built to fill, and once you actually run the numbers, it’s a genuinely cost-effective way to buy yourself more evenings outdoors, not just a nice-to-have.
The Range: Warmth That Goes Wherever You Sit
Duux’s heated cushions collection is built specifically around the idea of taking warmth outside, the product line is pitched as being just as at home in the garden as it is on the sofa.
Every model in the range shares the same core tech: a graphene heating element, three adjustable heat settings, a 10,000mAh rechargeable battery good for up to nine hours of cordless use, a four-hour recharge time, a water-repellent fleece cover, and a memory foam core for actual seating comfort rather than just a heated mat. Because they’re cordless, there’s no trailing cable to trip over and no need for an outdoor socket, you charge it indoors, carry it out, and it just works.
Since these cushions live outside rather than just visiting for an evening, that water-repellent fleece cover earns its keep, shrugging off drizzle and garden dew so a damp bench or a passing shower doesn’t mean rushing back indoors. It’s not built for a downpour, but for everyday outdoor dampness, it holds up far better than a standard cushion cover.
Alongside the cushions sit Duux’s heated blankets, these are better suited to a covered patio, snug corner, or the sofa once everyone finally does come back inside, but paired with a heated cushion, they mean the whole evening, from garden to living room, stays warm without you needing to touch the thermostat.
The Real Comparison: What Does an Extra Hour Outside Actually Cost?
This is where the case for these cushions gets interesting, because “heated outdoor accessory” usually makes people think of a patio heater, and patio heaters are not cheap to run.
Here’s a rough, comparison using UK average electricity prices (around 26p per kWh at time of writing) and typical outdoor heating equipment:
| Option | Typical upfront cost | Approx. running cost per hour | Portability |
| Gas patio heater | £80–£200+ (plus ongoing gas bottle refills) | Roughly £1–£2.50/hour depending on output | Heavy, fixed in one spot |
| Electric patio heater (2kW) | £60–£150 | Roughly 50p/hour | Needs an outdoor power socket, cable |
| Extra blankets/layers | £10–£40 | £0 (but limited warmth, bulky) | Fully portable, but often not enough alone |
| Duux Mellow Heated Seat Pad | £59.99 | A few pence per full charge (roughly 1–2p, based on the battery capacity) | Fully cordless, goes anywhere you sit |
The gap is stark. A patio heater warms the air around a fixed spot and burns through gas or electricity the entire time it’s on, whether you’re using it efficiently or not. A heated cushion warms you, directly, at the point of contact, which is both more efficient and, per hour, dramatically cheaper. Because the Mellow range runs off a rechargeable battery rather than mains power, the actual cost of an evening’s warmth is close to negligible once you’ve bought it. There’s no gas bottle to refill, no metre ticking over, and nothing to plug in outdoors at all.
That upfront price, £59.99 for the seat pad, £89.99 for the larger cushion or lounger pad, also compares well against a decent patio heater, before you’ve even factored in ongoing fuel costs. And because it’s small enough to store in a cupboard, there’s no need to find space for it over winter the way you would a heater or fire pit.
The Bottom Line
If the goal is simply to survive one chilly evening, a blanket over your knees will do. But if the goal is to genuinely extend your outdoor season, more evenings, longer evenings, without a growing gas bill or a heater you can only use in one fixed spot, Duux’s heated cushions and seat pads are the more cost-effective option by a wide margin. Low upfront cost, near-zero running cost, and a level of portability that gas and electric heaters simply can’t match.
Pair one with a Duux heated blanket for the moment you do head back inside, and the whole evening, garden and living room both, stays warm without the usual scramble for extra layers.



