comparison
BedInABox Tranquillium vs Serta iComfortECO Foam
Easily compare the Serta iComfortECO Foam vs BedInABox Tranquillium Mattresses side-by-side.
Latest Promotions | |
Limited Time Up to 25% off* Mattresses, bundles & more. Plus, free pillows with select orders. *Excludes the Essential mattress. Now through 5/6 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 | |
BedInABox | Serta |
Mattress Type | |
Memory foam | Memory foam |
Prices | |
Video | |
Trial & Warranty | |
Trial Period | |
Trial Period (nights) | |
120 | 120 |
Warranty Length (years) | |
20 | 10 |
Firmness Options | |
One Firmness Fits All? | |
Adjustable Firmness | |
Half-Half Firmness | |
Selectable Firmness | |
Flippable / Reversible Firmness | |
Firmness Info | |
A firmer and supportive feel. | The base model (CF1000) is a medium comfort. Choose the cooling upgrade (CF2000) model if you prefer a firm feel. Both the Max Cooling Upgrade (CF3000) and Max Cooling & Pressure Relief Upgrades (CF4000) offer a selection of feels - medium, plush, ultra plush and firm, plush, ultra plush. |
Mattress Construction | |
Materials Overview | |
A 3-layer construction:
| With the iComfort by Serta® mattress, cool, supportive sleep is the priority. The base model (CF1000) has these layers:
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Comfort Info | |
3 lb density memory foam rebounds (takes it shape) quicker making it easier to change positions. | 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 | |
Our CoolRest™ gel advanced memory foam quickly conforms to your body for pressure relief and support without letting you sink too far into the mattress. | Multi-layered foam technology adds support, resilience, and temperature regulation for the coolest, most comfortable sleep ever. |
Comfort Specs | |
Open cell memory foam increases air flow, contributing to a cooler sleep. | Every iComfort mattress is made with our exclusive Carbon Fiber Memory Foam. This system channels heat away from your body. |
Support Specs | |
CoolRest® Gel memory foam perfectly contours to your body providing improved pressure relief to reduce tossing & turning. | Carbon Fiber Memory Foam provides exceptional strength for back and neck support. |
Fabric Specs | |
The TENCEL® cover offers unique moisture management properties - absorbs 50% more moisture than cotton, making it a highly effective performance fabric. Rapid absorption of moisture proves most effective in inhibiting bacterial growth naturally, without adding any chemicals. | 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 38 x 12 " | 74.5 x 38 x 12.75 " |
Twin Weight (lb) | |
53 | |
Twin XL | |
Twin XL Dimensions | |
80 x 38 x 12 " | 79.5 x 39 x 12.75 " |
Twin XL Weight (lb) | |
62 | |
Full | |
Full Dimensions | |
75 x 54 x 12 " | 74.5 x 54 x 12.75 " |
Full Weight (lb) | |
76 | |
Queen | |
Queen Dimensions | |
80 x 60 x 12 " | 79.5 x 60 x 12.75 " |
Queen Weight (lb) | |
90 | |
King | |
King Dimensions | |
80 x 76 x 12 " | 79.5 x 76 x 12.75 " |
King Weight (lb) | |
113 | |
Cal King | |
Cal King Dimensions | |
84 x 72 x 12 " | 83.5 x 72 x 12.75 " |
Cal King Weight (lb) | |
113 | |
Certifications & Sustainability | |
Certifications | |
CertiPur-US® | |
Other Certification Info | |
Delivery | |
Delivery Cost | |
FREE | FREE |
Delivery Info | |
Typically, orders are shipped within two business days of receipt from our warehouse in Johnson City, TN via FedEx Ground. Delivery is usually 1-5 days depending on where you live. | 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 | |
Limited Time Up to 25% off* Mattresses, bundles & more. Plus, free pillows with select orders. *Excludes the Essential mattress. Now through 5/6 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 |