The Harmony Chill 2.0 vs 3.0: What’s the Difference?

MLILY Harmony Chill Mattress

Did you know we spend approximately 36 years, nearly a third of our lives, asleep in bed? However, according to a recent survey, 75% of Americans agree that their mattress could be more comfortable.

So the question is, what makes certain mattresses more comfortable?

Simply put, memory foam mattresses tend to be the most comfortable option on the market due in part to their ability to mold. Memory foam evenly distributes your body weight and creates a unique shape perfect for you, which is why they are so comfortable. To learn more, check out these sleep tips on the benefits of memory foam mattresses.

We at MLILY love memory foam. It’s why we’re committed to producing the highest quality foams for our memory foam mattresses and pillows.

Of our memory foam mattresses, the Harmony Chill series is undoubtedly the most popular. The Harmony Chill 2.0 and Harmony Chill 3.0 are two of the highest quality memory foam mattresses out there! While these mattresses have unique features, they both offer sleepers an exceptional sleep experience.

However, which one is right for you?  Let’s walk through the differences between these mattresses!

Harmony Chill 2.0

The Harmony Chill 2.0 is one of our signature memory foam mattresses. It has a medium, supportive feel and includes phase-changing material (PCM) to equalize temperature throughout the night for an incredibly cool and comfortable night’s sleep.


One main distinction between the Harmony Chill 2.0 from the 3.0 is the level of firmness in each mattress. The Harmony Chill 2.0 provides a medium feel or firmness. It supplies enough cushioning to be incredibly soft and comfortable, with enough supporting material to balance out the softness and provide lift.

Performance Foam

The Performance Memory Foam is unique to the Harmony Chill 2.0. This type of foam is often used as a mid-section foam due to its ability to fully support the more breathable foams above it while still allowing them to gently contour to the sleeper.

This foam is all about versatility. It mixes qualities of durability, flexibility, and adaptability into a single memory foam.

Harmony Chill 3.0

The Harmony Chill 3.0 is our bestselling plush foam mattress! This mattress is 13’’ thick and includes five layers of chilly temperature-regulating materials.


The Harmony Chill 3.0 has a more plush feel as opposed to the medium feel the 2.0 provides. This allows the mattress to cradle your joints with tons of soft cushioning without compromising on support. 

Liquid Gel Flex Foam

This cooling foam is the third in our line of Flex Foams. It is a more breathable version of our Flex Comfort Foam with liquid cooling gel swirled into the foam’s cellular-like structure. This allows it to keep the sleeper cooler and allows more air to circulate through the foam layers around it.

Egg Crate Flex Comfort Foam

This foam is often used as part of our base support top layer to seal in our Individually Pocketed Spring system in our hybrid lines. This foam is flexible and durable, allowing the other more specialized foams above it to shine while supporting from below.

Now that you know what makes each Harmony Chill mattress unique let’s talk through some of the key features that both mattresses share!

Shared features between the Harmony Chill 2.0 and Harmony Chill 3.0

Harmony Chill Cooling Knit Fabric Cover

Say goodbye to sweaty nights! Both the Harmony Chill 2.0 and 3.0 are covered with a cooling knit fabric designed to breathe and allow air to flow easier. This creates a cooling sensation you’ll feel all night long while you sleep.

This highly advanced fabric will stay cool-to-the-touch due to its temperature regulating properties that move heat away from the body.

Gel AeroFusion™ Memory Foam with PCM Coating

Did you know that your body temperature lowers at night to help you fall asleep and rises in the morning to help you wake up?

This is why we designed the Harmony Chill 2.0 and 3.0 with a phase-changing material (PCM) coating, which can release or absorb body heat to provide passive temperature regulation while you sleep. It also adds additional cooling technology to ensure deep sleep without interruption.

Bamboo Charcoal Memory Foam

Bamboo charcoal memory foam offers superior support, which is why we were sure to include it in both Harmony Chill mattresses!

The memory foam adapts to your micro-pressure points and uses an open-cell structure to keep the bed cool.

While the infused ingredients are naturally antibacterial, bamboo charcoal also naturally reduces moisture and odors.

Flex Support Base Foam

The flex support base foam is used as the bottom layer for both Harmony Chill mattresses. Its supportive design works to keep the spine aligned at night to help your muscles relax.

This foam also provides long-lasting durability and support for the top layers of the mattress.

Regardless of your choice, all MLILY mattresses come with a 10-year warranty that covers any defects in materials or workmanship! Even better, we also offer free shipping on all MLILY products when purchased directly through

Related Posts