comparison
Helix Dawn vs Serta iComfortECO Smooth Hybrid
Easily compare the Serta iComfortECO Smooth Hybrid vs Helix Dawn Mattresses side-by-side.
Latest Promotions | |
Find the Perfect Mattress for How You Sleep Which mattress is right ?Spring Savings Event ! get 20% Off + 2 FREE Dream Pillows with any Mattress ($150+ Value) | Use code : SPRING20 ✨ See offer | Spring Savings Sale: Save up to $1000 on select mattresses + a Motion Perfect® Adjustable Base | See offerSave up to $700 on Serta® iComfortECO™ when paired with a Motion Perfect Adjustable Base. Use code MATTRESSBUNDLE See offer |
Essential Mattress Info | |
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Brand | |
Helix (USA) | Serta |
Mattress Type | |
Hybrid (coils and foam) | Hybrid (coils and foam) |
Prices | |
Video | |
Trial & Warranty | |
Trial Period | |
Trial Period (nights) | |
100 | 120 |
Warranty Length (years) | |
10 | 10 |
Firmness Options | |
One Firmness Fits All? | |
Adjustable Firmness | |
Half-Half Firmness | |
Selectable Firmness | |
Flippable / Reversible Firmness | |
Firmness Info | |
Firm feel top of the bed you need - no sink or give. Comfortable, yet solid under your body. Extra support - best for back and stomach sleepers, or side sleepers with larger body types. A 8-9 on the firmness scale. | The base model (CF1000 Hybrid) is a medium comfort. Choose the cooling upgrade (CF2000 Hybrid) model if you prefer a firm feel. Both the Max Cooling Upgrade (CF3000 Hybrid) and Max Cooling & Pressure Relief Upgrades (CF4000 Hybrid) offer a selection of feels - medium and plush and firm and plush. |
Mattress Construction | |
Materials Overview | |
The Dawn offers extra support and a firm feel, it has four layers of construction:
| The Serta iComfortECO Smooth Hybrid is a hybrid mattress best suited for side sleepers. The materials used are up to 70% sustainable. It has a layer of 5-Zone Quad Coil for support and targeted pressure relief. And two layer of memory foam that's breathable and provides reduced motion transfer for uninterrupted sleep. You can select your level of firmness between :
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Comfort Info | |
Specifically designed mattress to keep even the warmest of sleepers cool. You don't have to be a hot sleeper to love iComfort. You just have to like your sleep environment to be refreshingly comfy. Three cooling upgrades available:
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Support Info | |
Specially designed using proprietary Helix Dynamic Foam to react to your body shape and aid recovery. | A highly breathable and supportive mattress with a classic, responsive feel. |
Comfort Specs | |
Our special latex-foam hybrid alternative, designed to react and contour to your body. | Every iComfort mattress is made with our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body. |
Support Specs | |
High-Grade Polyfoam | Carbon Fiber Memory Foam provides exceptional strength for back and neck support. |
Fabric Specs | |
Helix Two Touch Design | A Max Cold™ Cover is used in the CF3000 and CF4000 models. Made from super cool high-performance fibers for an instant cool-to-the-touch sensation. |
Manufactured in | |
United States | United States |
Suitability | |
Side Sleepers | |
Back Sleepers | |
Size & Weight | |
Twin | |
Twin Dimensions | |
75 x 39 x 11.5 " | 74.5 x 38 x " |
Twin Weight (lb) | |
Twin XL | |
Twin XL Dimensions | |
80 x 39 x 11.5 " | 79.5 x 38 x " |
Twin XL Weight (lb) | |
Full | |
Full Dimensions | |
75 x 54 x 11.5 " | 74.5 x 54 x " |
Full Weight (lb) | |
Queen | |
Queen Dimensions | |
80 x 60 x 11.5 " | 79.5 x 60 x " |
Queen Weight (lb) | |
King | |
King Dimensions | |
80 x 76 x 11.5 " | 79.5 x 76 x " |
King Weight (lb) | |
Cal King | |
Cal King Dimensions | |
84 x 72 x 11.5 " | 83.5 x 72 x " |
Cal King Weight (lb) | |
Certifications & Sustainability | |
Certifications | |
CertiPur-US® | |
GREENGUARD Gold | |
Other Certification Info | |
Delivery | |
Delivery Cost | |
Free US Shipping | FREE |
Delivery Info | |
Your Helix Mattress is gently compressed, rolled, and put in a box that's about the size of a bag of golf clubs for easy shipping! Packaging dimensions are 16" x 16" x 48", and we ship via UPS Ground direct from the manufacture to your door. | Serta mattresses are shipped using the fastest, safest, and most reliable method possible. After ordering, you will be contacted by XPO Logistics to schedule a delivery day and time. |
Prices | |
Latest Promotions | |
Find the Perfect Mattress for How You Sleep Which mattress is right ?Spring Savings Event ! get 20% Off + 2 FREE Dream Pillows with any Mattress ($150+ Value) | Use code : SPRING20 ✨ See offer | Spring Savings Sale: Save up to $1000 on select mattresses + a Motion Perfect® Adjustable Base | See offerSave up to $700 on Serta® iComfortECO™ when paired with a Motion Perfect Adjustable Base. Use code MATTRESSBUNDLE See offer |