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Zinus Balanced Comfort Signature Memory Foam vs Amerisleep AS3

Updated Specs-based comparison · hands-on testing in progress

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🏆 Higher Research Score

Zinus Balanced Comfort Signature Memory Foam

3.6/5 Research Score
  • TypeMemory Foam
  • FirmnessMedium-Soft (5/10)
  • Queen price$749
  • Trial100 nights

Amerisleep AS3

3.5/5 Research Score
  • TypeMemory Foam
  • FirmnessMedium-Soft (5/10)
  • Queen price$1,749
  • Trial365 nights

Key differences

$
Price

The Zinus Balanced Comfort Signature Memory Foam costs about $1,000 less for a queen ($749 vs $1,749 list).

↕
Firmness

Both have a similar medium-soft feel (about 5/10).

☾
Sleep trial

The Amerisleep AS3 gives you 365 nights to decide, against 100 for the Zinus Balanced Comfort Signature Memory Foam.

✦
Warranty

The Amerisleep AS3 has the longer warranty (20-year (10 years full, then prorated) vs 10-year limited).

✓
Zoned support

Only the Amerisleep AS3 offers zoned support, according to the brand.

❄
Cooling

The Zinus Balanced Comfort Signature Memory Foam has more dedicated cooling features (2 vs 1), such as cooling covers or infused foams.

Specs side by side

Zinus Balanced Comfort Signature Memory FoamAmerisleep AS3
TypeMemory FoamMemory Foam
Firmness5/10 · Medium-Soft brand rating5/10 · Medium-Soft brand rating
Firmness options11
Height12"12"
Price (Queen)$749$1,749
Cost per night$0.29$0.68
Sleep trial100 nights365 nights
Warranty10-year limited20-year (10 years full, then prorated)
ShippingFreeFree
Zoned support—✔ Yes
Reinforced edges——
Fiberglass-free (confirmed)✔ Yes✔ Yes
Cooling features21
In-home setup——
CertificationsCertiPUR-US, OEKO-TEX (cover)CertiPUR-US
Best forBudget, Kids, Side, Guest roomsSide, Combination, Back pain, Shoulder pain

Highlighted cells mark the advantage for that row. Features are credited only when the brand confirms them; prices are list prices at our last update.

Research Score breakdown

Until our hands-on testing is complete, both mattresses are rated with our Research Score, built only from published specs and policies. It doesn’t measure how a mattress feels.

Zinus Balanced Comfort Signature Memory FoamAmerisleep AS3
Trial & warranty
4.0
5.0
Firmness & size choice
2.5
2.5
Materials & safety
5.0
4.0
Support design
2.5
3.5
Cooling design
3.0
2.5
Value for money
4.5
3.0
Research Score
3.6/5
3.5/5

Hover over a score to see what it’s based on. A missing value means the brand doesn’t publish that information (for example a queen price).

Construction compared

Zinus Balanced Comfort Signature Memory Foam · 12"

  1. Knitted jacquard cooling cover
  2. 2" gel-infused memory foam
  3. 3.5" high-density foam (green tea–infused)
  4. 6.5" base foam

Amerisleep AS3 · 12"

  1. Refresh cooling cover
  2. Bio-Pur plant-based memory foam
  3. HIVE five-zone transition foam
  4. Bio-Core base foam

Which is better for your sleeping position?

Zinus Balanced Comfort Signature Memory FoamAmerisleep AS3
Side sleepers✔ Good fit✔ Good fit
Back sleepers• Could work• Could work
Stomach sleepers• Hips may sink• Hips may sink
Combination sleepers✔ Good fit✔ Good fit
Heavier sleepers (230 lb+)• May lack support• May lack support

Based on each mattress’s stated firmness and design, not yet on our own testing. Body weight changes how firm a mattress feels.

Who should buy which?

Choose the Zinus Balanced Comfort Signature Memory Foam if…

  • You want to spend less (about $1,000 less for a queen)
  • You tend to sleep hot
  • You are shopping on a budget
  • You are buying for a child or teen
Check Zinus price

Choose the Amerisleep AS3 if…

  • You want a longer trial (365 nights)
  • You want zoned lumbar support
  • You sleep on your side
  • You change positions through the night
Check Amerisleep price

Current deals

CouponNo end date

10% off sitewide at Zinus

Click Get Code to reveal and copy the code.

More
Details
Code for 10% off sitewide.
Validity
No end date given — while the offer lasts
CouponEnds Nov 30

$600 off select Amerisleep mattresses

Click Get Code to reveal and copy the code.

More
Details
Use the code for $600 off the AS2, AS3 and AS5 (foam or hybrid) and the Organica during the Black Friday event.
Validity
Ends Nov 30, 2026

Our verdict: Zinus Balanced Comfort Signature Memory Foam or Amerisleep AS3?

On paper, the Zinus Balanced Comfort Signature Memory Foam comes out ahead (3.6 vs 3.5 on our Research Score), but the right choice depends on how you sleep.

Pick the Zinus Balanced Comfort Signature Memory Foam if you want to spend less (about $1,000 less for a queen) or you tend to sleep hot. Pick the Amerisleep AS3 if you want a longer trial (365 nights) or you want zoned lumbar support.

This verdict is based on published specs and policies. We’ll update it with hands-on results after testing.

Zinus Balanced Comfort Signature Memory Foam review Amerisleep AS3 review

Zinus Balanced Comfort Signature Memory Foam vs Amerisleep AS3 FAQs

Which is firmer, the Zinus Balanced Comfort Signature Memory Foam or the Amerisleep AS3?

They are rated about the same, around 5/10 (medium-soft).

Is the Zinus Balanced Comfort Signature Memory Foam or the Amerisleep AS3 cheaper?

The Zinus Balanced Comfort Signature Memory Foam is cheaper, at $749 for a queen against $1,749. Both brands discount often, so check current prices.

Which is better for side sleepers?

Both have a feel that should suit most side sleepers.

Which is better for back pain?

Only the Amerisleep AS3 has zoned lumbar support. For ongoing pain, speak to a doctor or physical therapist.

Which has the better trial and warranty?

The Zinus Balanced Comfort Signature Memory Foam comes with a 100-night trial and a 10-year limited warranty. The Amerisleep AS3 has a 365-night trial and a 20-year (10 years full, then prorated) warranty.

Which sleeps cooler?

On paper, the Zinus Balanced Comfort Signature Memory Foam, thanks to its construction and dedicated cooling features. Our thermal testing will confirm it.

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