Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
King Koil FLOWT
Technogel Armonia 3.0
Comfort
9/10
9.2/10
Support
8.9/10
9.3/10
Cooling
9.5/10
9.5/10
Edge Support
8.6/10
9/10
Motion Isolation
8.8/10
9.2/10
Durability
8.9/10
9.3/10
Value
7.8/10
8.4/10
Quick Specs Comparison
Spec
King Koil FLOWT
Technogel Armonia 3.0
Price (Queen)
$2,999
$3,199
Type
Luxury Hybrid
Gel Hybrid
Firmness
6/10
6/10
Height
14 inches
10.5 inches
Trial
120 nights
90 nights
Warranty
10 years
10 years
Shipping
Free white glove delivery on most orders
Free white glove delivery
Key Advantages
Why Choose King Koil FLOWT
- Spiral coil system keeps lateral airflow open — excellent heat dissipation
- Cooling gel comfort layers stay neutral through the night
- Responsive medium feel suits combination sleepers
Why Choose Technogel Armonia 3.0
- Versatile medium feel for all sleep positions
- Excellent cooling gel technology
- Great for couples with different preferences