Are Deconovo Thermal Insulated Blackout Curtains Worth It?
Worth it, with a light gap
By Daniel Kruger, tech & home gear · updated 2026-07-22
A dense weave and a grommet catch worth knowing about
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Picture 6am light sneaking in around the edges of your window, waking you before you're ready no matter how late you fell asleep. You pull the curtain tighter but a sliver still gets through, and you start wondering if the deconovo thermal insulated blackout curtains everyone links to would actually fix that, or just trade one thin curtain for another.
Here's what's actually happening. Blackout fabric doesn't need a coating to work, it just needs density. Deconovo weaves a tight, medium weight polyester layer, dense enough that light has to fight its way through instead of passing straight in. That same density is why the fabric also blunts sound a little and slows heat exchange near the glass, so a west facing room stays a touch cooler in July and a touch less draughty in January. The catch, and it's a fair one, is the grommet header. Metal grommets are the reason the panel glides so easily onto a standard rod, but that ring and hole construction leaves small gaps at the top where morning light still gets in, which is why the listing is careful to say significantly reduced light rather than total darkness. The silver wave foil print is purely cosmetic, it doesn't change how the fabric behaves, it just keeps the navy from reading as plain. Two 52 inch panels give you 104 inches combined, enough to cover most standard windows with a bit of overlap.
So you're not buying total darkness, you're buying a meaningful dimmer switch for a normal sized window, with a bit of warmth and quiet thrown in as a side effect. If you need pitch black for shift work or a nursery napping through noon, the grommet gaps will bother you. For everyday bedrooms and living rooms, that partial reduction is exactly the point.
Worth it if
- You want a noticeably darker, quieter bedroom without spending much
- You like the look of navy with a subtle metallic print
- Your window is close to standard size, up to 104 inches combined
Skip it if
- You need total blackout for shift work or newborn sleep
- You already own heavier thermal curtains and just want a color refresh
- You need oversized coverage for a much wider window
If you want a bedroom that's noticeably darker and quieter without spending much, this is a quiet yes. If you're blacking out a room for shift work or newborn naps, look at panels with a foam backed liner instead, because the grommet gaps here will let more light through than you'd want.
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Before you go
Are Deconovo curtains blackout?
They're blackout grade in that the fabric significantly reduces light, but the grommet header leaves small gaps at the top, so it's dimming rather than total darkness.
Do thermal blackout curtains actually work?
Yes, a dense enough fabric slows heat passing through the window and blocks most light, though the effect scales with fabric weight rather than any single trick.
How to wash Deconovo curtains?
Machine wash in cold water on a gentle cycle, tumble dry on low, and iron or steam lightly to smooth fold lines afterward.
Full spec sheet
| Brand | Deconovo |
|---|---|
| Color | Silver Wave-navy Blue |
| Material | Polyester |
| Product Dimensions | 84"L x 52"W |
| Opacity | Blackout |
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