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4.4 | 41 Reviews

iComfort - CF4000 - Plush - Queen

iComfort

Features

  • Max Cool Cover
  • UltraCold System™
  • Carbon Fiber Memory Foam
  • EverCool® Supreme Memory FoamCarbon

Quick Specs

  • Brand: SERTA
  • Line: iComfort
  • Type: Tight Top
  • Width: 60"
  • Height: 80"

See More

 
The CF4000 Plush mattress features layers of Carbon Fiber Memory Foam paired with the UltraCold System™ to help channel heat away from your body. Our exclusive Air Support™ Foam contours to your body and helps relieve aches and pain caused by pressure points. This premium plush mattress is one of the coolest iComfort models ever!

Features

  • Max Cool Cover
  • UltraCold System™
  • Carbon Fiber Memory Foam
  • EverCool® Supreme Memory FoamCarbon
  • Air Support™ Foam
  • Serta® Foam Core

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Mattresses can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new bedding should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

4.4 out of 5

85% of reviewers recommend this product.

1 Stars

Hard as rock

Quintcy84 7/26/2022

Paid a lot of money for a plush mattress with no springs but I do believe the floor would be a softer option. Could barely move in the morning will have to resort to sleeping on my soft sofa again very disappointed very hard bed.
Originally posted on www.serta.com

No, I do not recommend this product

Comfort

 

Quality

 

Value

 
3 Stars

Not as plush as my old Icomfort plush matrress

Rdunkleenr2d 4/1/2022

I had an IComfort plush mattress for 9nyears. I decided to replace it. I bought it through a local dealer on line. It was delivered and I immediately sat on it to check the comfort level. With the old mattress when it was delivered I sank down into a cloud of heavenly comfort. This new CF3000 feels like like it has the comfort level of laying on a board. The tag says "Plus" but as far as I'm concerned it is at least medium if not firm. I called the retailer an they said it could take up to 3-4 weeks to achieve the plush comfort level. My old iComfort was Plush as soon as it was delivered. I'll give it a week then see where it is at with the comfort level.
Originally posted on www.serta.com

No, I do not recommend this product

5 Stars

Very comfortable for sure!

TonyG 2/8/2022

I am very satisfied with this mattress and so glad I have chosen the CF 4000 Plush Serta! I now fall asleep quicker and sleep more soundly through the night. Most of the back pain (which had been getting worse) has diminished significantly. I would highly recommend this product to anyone looking to replace their mattress.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Value

 
1 Stars

Don't buy it

CassieJ1025 2/1/2022

I have had my king mattress for 5-6 years. It was firm when I bought it and it's named and marketed as FIRM. now it's like sleeping in a pit. It also will not lay flat anymore and I only weigh 140lbs. Hugely disappointed and not Worth the $$ spent. I should have and could have bought a tempurpedic with how much I spent. And I just discovered today that the layers are not even in a solid encasement. No wonder the sheets don't stay on the bed all the layers inside move every time you move and not just up and down. So so dissatisfied.
Originally posted on www.serta.com

No, I do not recommend this product

Comfort

 

Quality

 

Value

 
5 Stars

Better sleep!

Ken72 8/14/2021

Both my wife and I love our new CF4000 Plush XL mattresses. We both are enjoying much better sleep with less waking during the night. We love the mattresses!!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Value

 
5 Stars

A mattress made in heaven!

Ralf79 7/8/2021

Best night sleep ever! Plush and full of support for the usual restless sleeper. So happy my wife picked this mattress out. I highly recommend it!
Originally posted on www.serta.com

Yes, I recommend this product

Quality

 

Value

 
4 Stars

Ok

D123 7/4/2021

Nothing wrong with the mattress itself. I just should've gotten the firm mattress. With the plush mattress I sink into the bed too much.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Value

 
1 Stars

a hole in the middle with gravitational pool

S7EN13 1/29/2021

Mattress lost firmness in the middle and because I sleep on my side, I wake up from lower back pain because my spine is bending sideways. So I wake up every 20 to 30 min to offset the pain by turning on the other side. If you do not wish to sleep at night, GET SERTA!
Originally posted on www.serta.com

No, I do not recommend this product

Comfort

 

Quality

 

Value

 
5 Stars

Super comfort and cool at night.

Bob80 1/9/2021

We've had the i Comfort CF4000 for about 10 days and love it. Here in southern Louisiana staying cool at night to sleep is of concern and one of the reasons we waited to get a memory foam mattress. Well you got it right. My wife who always sleeps with socks decided to sleep without them the first night on the new mattress and bed. She woke up complaining her feet were cold. She now sleeps through the night as do I. We both had problems with snoring but the Motion Essentials IV Split King Adjustable Base allowed us to adjust our head height independently and slept silently for the first time in years. This bed is what we needed as I sleep on my side and on my back and always feel support on this mattress. One problem is where can I get the headboard mounts that I need?
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Value

 
1 Stars

WORST MATTRESS AND COMPANY TO BUY FROM!!!! DON'T DO IT

Supermad101 12/29/2020

Never buy this mattress! I have a genetic spine disease and I was told this would help me sleep, yeah ok....I hate this mattress!!!! I have had this mattress Almost 4 years now and I want to burn it! And on top of it Serta finds every reason in the book to not replace there product!! I spent almost 1700.00 for the box spring and mattress with delivery, tax, etc. and I dread going to sleep. And what's worse is when you're pregnant trying to sleep on this piece of garbage! Thanks Serta you really have outdone yourselves. I sit on my mattress and feel nothing but my box springs. I'm in so much pain already and then having to sleep on this makes it so much worse. I wish your company would honor my warranty that they supposedly give you and make this right!!!! Be better. Period.
Originally posted on www.serta.com

No, I do not recommend this product

Comfort

 

Quality

 
4 Stars

Best comfort beating the price

rajan 9/5/2020

Redefines comfort sleep at a great price, feels almost close to higher priced brands. Took couple days for the foam odour and get used to , love to crash on this beauty each day Highly recommend
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Value

 
1 Stars

This product Sucks

DFletch 7/13/2020

Your warranties suck Your mattress sink Your mattress suck
Originally posted on www.serta.com

No, I do not recommend this product

5 Stars

Best sleep in ages

Raider47 11/23/2019

I will start by saying that I am a terrible sleeper. As far back as I can remember, I have struggled with insomnia. Getting to sleep and staying asleep is not something that I have ever been good at. I find it very difficult to get comfortable, and I do a lot of tossing and turning. I also have back problems and need a Mattress with firm support, but I find firm mattresses terribly uncomfortable. This mattress has been a huge help. It is soft and plushy and incredibly comfortable. I just sink right in and it molds itself to my body no matter what position I'm in. I don't know how they did it but it also manages to provide the support that I need to not wake up with back pain. I am so happy with this mattress. I seriously haven't slept this well in years and I'm thrilled that I found this mattress and had the opportunity to get one. It seems very well made and I expect it to last for many years.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

So plush

Cardoso509 11/13/2019

I love this serta plush icomfort matress it is so comfortable and thick. I hadnt had a good nights sleep fkr the longest time but when i slept on the icomfort i fell asleep all night. I love that the matress ks so tall and thick and jts from memory so when i get up the matress goes back to how plush it was. I love that it has a cover that i can take off and wash any time i want and i can put it back on. I love that my bed is taller because of the matress.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Firm but comfy and plush

freather 11/7/2019

This is the most comfortable, plush mattress I have ever slept on. I love how its firm so it really supports you during sleep, but it has enough plushness to be comfortable and forms to your body. Even though its Nov- we still live in Arizona so I love the fact that this mattress has cooling technology so that way my husband (who is ALWAYS hot) seems to never get hot at night anymore! Its been wonderful!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Heavenly

Marshapep 11/7/2019

I feel like this bed was made for me. The memory foam conforms to my body. Its thick and plush as well as exceptionally comfortable. It absorbs every movement my husband makes at night and that is a big deal because I am such a light sleeper. I cannot say enough how pleased I am.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

So comfortable

Proudmom1216 11/6/2019

I absolutely love this IComfort bed when you first lay on it it's just like heaven I sank right down right in to it. Its kept me cooler when we had warmer days which I really enjoy. Love how tall the mattress is love a bed with some height to it. When my husband or daughter move around when sleeping I don't feel.any movement on the bed itself so not constantly woken up by every movement or when he gets out of bed early in the morning. The best bed I've ever had in my life wake up with way less back pain as well which a number one problem for me
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Love this mattress

locopeland 10/30/2019

I was super excited to receive this mattress and was not disappointed when it showed up. It is super comfortable and enjoyable to sleep on. Love it!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

The Best Mattress You'll Ever Purchase!!

RickW 10/29/2019

The Serta iComfort 4000 is an absolutely wonderful mattress! It is has so many great features including, a memory foam top, cooling properties, and comfort that spares no expense. Serta really had their customers in mind when creating this very well made made mattress! This will provide years of endless comfortability, and the perfect softness for a great nights sleep. This is the best mattress you'll ever purchase!!! I highly recommend purchasing this Serta iComfort Mattress!!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Nice plush mattress

Tofu9 10/20/2019

This is my first foam mattress and my first plush mattress. It is very comfortable. I get a great nights sleep on this. I like that I don't feel movements when my husband gets up. Initially I used it with a standard bed frame I had but I could detect where the crossbar was. It felt better to me when it was on a more supportive base. My only complaint is that it does not have a lot of support on the edge of the bed. When I sleep on the edge I feel like I might fall off.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Seriously Amazing!!!!

Jeannieo 10/15/2019

I recieved this mattress a few weeks ago. I wanted to really try it out before I wrote a review. I have back problems and when I wake up I am always super stiff and it's hard for me to get out of bed. Also I toss and turn all night and can never just sleep through the night. Ever since I have been using this mattress I have not been stiff my back doesn't hurt near as bad as it usually does. Once I fall asleep I am out like a light and I don't wake up until my alarm goes off. I am so happy!!! I was worried because I had ordered the soft mattress and after I did I was scared it might be too soft and maybe I should of ordered the medium. That's not the case at all. It's soft but it still feels firm and it is so comfortable. My husband also is in love with it and his back hasn't been bothering him like it use to. I am just in heaven and so thankful for this bed. If your looking to buy a mattress I can 100% say you will be so glad you bought this one. You won't have any regrets at all. Oh and my old bed was a california king and my bed was so high off the ground which I loved. We had been thinking about switching to a queen for awhile (because our room is small) anyways i thought it would be low on the ground and that was a huge reason it took us forever to decide. Well the mattress is pretty thick and when you use a box spring also it makes the bed super high. ( i ordered a little big bigger boxspring then the normal ones) anyways even without the boxspring I feel the mattress is thick enough that your definitely not close to the ground. Order this mattress you will not regret it, it is amazing and We couldn't be happier!!!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Best sleep is now mine!

annieday9909 10/14/2019

I have been sleeping on my iComfort CF4000 plush for several weeks now and i have been getting some of the best sleep of my life. My whole body is supported and cradled as i sleep, i feel like i am sleeping on a cloud because while i am being supported, it is super soft. I tend to run warm when i sleep as well, this does an excellent job at wicking heat away and keeps me at the perfect sleeping temperature.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Excellent bed

Buckinghamfam4 10/12/2019

I have never found a mattress that I have slept great in from day one. It has always taken me a few weeks to get used to. With this mattress, from day one, I have slept amazing! I haven't woken up once in the middle of the night. I have no problems going to sleep. The cooling sensation is noticeable and I love it. I sleep very warm so my main reason for choosing this mattress was the cooling benefit. When I get into bed, my pillows even feel cool. I haven't woke up in the morning sweaty like I used to. I would highly recommend this mattress.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Amazing mattress!

Ladyc20 10/11/2019

Oh my goodness!! This plush mattress is amazing!! It was delivered and packaged well. They even took my old mattress so I was happy about that. It fit perfectly in our room. This is my first memory foam mattress so the first couple of days I had to get use to it but OMG!! I've been sleeping so much better now. Before getting the new mattress, I would sleep for maybe 6 hours but getting up a couple of times a night. Now I'm sleeping almost 8 hours straight. It feels so amazing waking up we'll rested. Such a comfortable mattress!!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Best sleep ever

Pnwmomma 10/10/2019

This is so soft and comfortable. It was thicker than I thought (of course if I had read description...) But my sheets are just deep enough to fit. The delivery was very professional and wore shoe protectors and gloves while handling my new mattress. I love that this bed has such a soft top while still being supportive all night. It really is like sleeping on a comfy cloud.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

This is an amazing mattress!!

court12782 10/8/2019

Wow, I instantly fell in love with this mattress!! It is just the right level of "plush" while still being supportive. I sleep great on it & can even comfortably rest on my side or stomach without aches or pains. I would absolutely recommend this mattress!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Best mattress I have ever slept on!

Skayla 10/8/2019

This mattress is absolutely AMAZING!! I have a bad back and have dealt with waking up with severe back pain for 12 years now. I now am able to get right out of bed!! My back is still sore, which is to be expected since my back is injured, but this bed definitely makes it more tolerable! It's definitely not joking when it says cooling too! I no longer wake up sweating! This is one of the most comfortable mattresses I have ever slept on! Because it is memory foam it forms perfectly to every curve of your body. The quality is also outstanding! I now have no need for my memory foam pad! I threw that thing out! The quality completely exceeds my expectations for the value!! If you're looking for a supportive memory foam mattress that is also cooling I highly suggest this mattress! You will NOT be disappointed!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Ensuring a well rested night

Nata890 10/8/2019

The first night that I slept on this mattress, the next day I woke up refreshed and ready to take on the day. This mattress is super soft not to the point where you just sink in, but just perfectly soft. The quality of this mattress can't be beat, the stitching and fabric used that went into manufacturing this product is what makes this mattress stand out. My husband always gets hot at night sleeping, and when we switched to this mattress, he no longer gets sweaty because of the UltraCold System that wicks heat away from the body. When laying down on this mattress, it really does contour to the body which aids in relieving pressure points.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Mattress that fits your body

Mydeaddoll 10/7/2019

A new mattress always takes a few days to get used to, but this one was comfy from the start. Laying on it, you can feel it contouring to your body for ultimate support.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Sleeping well with this mattress!

kpayne127 10/7/2019

We recently tried this new mattress and are happy we did. A mattress is critical to a good nights sleep. So far, the iComfort CF4000 has provided just that! The mattress is firm, yet soft, It has a cooling mechanism inside it and I am not finding myself waking up hot or sweaty during the night. It is very hot here and we try to conserve energy costs by not having the A/C running too much. It is rare for me to not wake up feeling hot and uncomfortable. Since sleeping on this mattress I have not been overly hot. I am a side sleeper and sometimes wake with lower back pain if a mattress is too soft or even too firm. I have had no back issues since we started with this mattress, and believe it conforms to fit the curve of my body-its supportive but comfortable. I have also been pleased that the mattress does not move or shake --my husband moves often when he is sleeping. Sometimes I can get frustrated or woken up by his movements. This mattress is steady and I do not notice his movements. Overall we are very pleased with this mattress. Super comfy and supportive. I love that it minimizes movements and that it helps keep me cool during the night. I recommend this mattress!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Cool Cooling Effect

Trina106 10/6/2019

The iComfort CF4000 Plush Serta mattress has a very nice cooling effect. I tend to overheat in the evening while sleeping, and this bed does help with this issue. The bed did have a foam smell, but it dissipated after a couple days. The bed is plush and has a medium firmness in my opinion. It took my arthritic back a couple days to get used to the memory foam firmness of the mattress. This mattress works with an adjustable support base. We are most happy with the cooling effect of the mattress. living in Arizona, and with my overheating issue. I recommend this mattress for it's plush support and cooling effect.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
4 Stars

So soft

Ninjakitty1981 10/4/2019

This mattress is so soft, but yet firm. It does actually keep me cool at night, which is something i have a problem with. I like that I don't have to use a box spring as a base, it is easier to just lay it on a platform. It can also be used with a moving frame which would come in handy for some people.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Great mattress

Elissarenee 9/30/2019

I switched from a memory foam mattress to traditional and hated every second of it so I am so glad to have found something that works for both my husband and I. Upon arrival this iComfort mattress did have a scent so needed to be aired out for 24 hours. Upon just the initial touch and laying down on this mattress it was amazing. I'm not a stomach sleeper but this mattress provides enough comfortable support to make that possible. It is soft but firm at the same time, lightly hugging the curves and bones of my body. I always have a worry about temperature when it comes to memory foam but this mattress is much cooler than traditional memory foam and even cooler than my old mattress that isnt memory foam. This mattress is solid and well made and by far the most comfortable mattress I have ever owned. Would definitely reccomended.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Ultimate in Comfort

Justme87 9/28/2019

This mattress is quite comfortable. It provides me just enough support where I need it most, my back, but it is not too soft where I sink completely. The cushion is very supportive with a bit of firmness to it but not too much. It has the perfect balance of both worlds.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

My new matrress

Sofi09 9/28/2019

Thank you very much I'm in love with the mattress.. This is the best mattress i try best brand... My daughters love it for sure i will recommend to my family friends and neighbors they will love to buy it... Thank You Again
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Great Mattress!

Krazycow39 9/25/2019

I sleep on my side and read that a plush mattress is the best for my sleeping position and I couldn't agree more. The moment you touch this mattress it is so soft and really comfortable and makes you feel like you're on a cloud. It forms to my body while sleeping and takes pressure of my body without making me sink in and that's a huge plus. There is also a carbon fiber memory foam layer which helps keep the body cool and keeps the heat away which is needed for my husband since he runs hot at night. The mattress itself is thick and a box spring is not even needed. This is the most comfortable mattress that I have ever slept on! Would definitely recommend.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

High Quality Mattress!

Persnickerdy 9/25/2019

I really love my new Serta iComfort CF4000 Plush Mattress! This mattress is truly what dreams are made of! I have never owned such a comfortable mattress as this ever. I chose the soft firmness mattress which is just perfect for me. I live in Arizona so the cooling system is a plus as it makes for a more comfortable sleep. The Serta iComfort mattress is made of quality materials so I know it's going to last a very long time! I truly recommend this awesome mattress!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Extreme Comfort, Stays Cool. Offers great support

PRADA91 9/24/2019

I cannot say enough positive things about this mattress. First of all it is extremely comfortable and it offers excellent support. Either though I chose the soft mattress, it still offers excellent comfort while supporting your body at the same time. Unlike other mattresses I do not sink in if that makes sense. I also want to mention that when my husband comes to bed at night I cannot feel him coming to bed or moving around all night like I did with my other mattress. Since having this both of us have slept 100% better. We both do not wake up as much and when we do get up in the morning we are not stiff from sleeping on an uncomfortable mattress. Another huge positive is that this mattress actually stays cool at night! I was extremely impressed with that. The mattress itself is made well and made of high quality materials. I look at this as an investment. This mattress is made to last for many years to come. I highly recommend it, you will not be disappointed.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Wow just wow

Kevbojr2 9/23/2019

I can't believe how wonderful this bed is the bed arrived so I wasn't the first to try it out. When I did I was amazed. We both slept so well. It was the most amazing bed I used in years.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Ultimate comfort for a great night's sleep

Ranroun1 9/20/2019

The iComfort CF4000 Plush is what every household needs. I am a combo sleeper, I switch between my back, side and stomach and it has great response and support. It has just the right amount of hug to cradle my hips and shoulders and it kept my spine aligned as I slept on my back. Excellent construction and I can tell it's sturdy and will last us long. I share my bed with my husband and sometimes the kids and dog sneak into our our and there's absolutely no interruption with the iComfort CF4000 Plush!
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support

 
5 Stars

Best mattress I have ever had!!!!!

Dia15 9/19/2019

This is the best mattress I have ever had. I have always had insomnia and once I laid on this mattress I don't even remember going to sleep. It is so comfortable and has the right plush, it also has just the right amount of support. I felt so well and rested the next morning. It was the best nights sleep I have had in forever. My husband is usually extremely hot at night and this is the first time he has ever slept through the night and not complained about it being to hot. I can say for sure this mattress keeps you cool. I have recommended this mattress to all my friends and family.
Originally posted on www.serta.com

Yes, I recommend this product

Comfort

 

Quality

 

Support