Serta iComfort CF4000 Firm
Mattress Ratings & Reviews

83/100

Very Good

Based on 15 real owner experiences with this mattress.

Back Support

Pressure Relief

Sleep Quality

Stays "Cool"

Value

N/A

Warranty Service

N/A

Average Lifespan

N/A

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Back Support

Pressure Relief

Sleep Quality

Stays "Cool"

Value

N/A

Warranty Service

N/A

Average Lifespan

N/A

Shop this Bed

on serta.com

Not sure this product is right for you?

Take the

GoodBed Match Quiz

Write a review of this product

FILTER

15 total ratings

Sort by:

Rancho Cucamonga, CA

Review left on Oct 9, 2025

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

4/ 5

Sleep Quality

4/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: 5 years

Condition: Moderately worn

35 - 44 years old

Male

Side Sleeper

150-200 lbs

Prefers Softer Feel

Chicago, IL

Review left on Sep 29, 2023

Ratings from this sleeper:

Back Support

5/ 5

Pressure Relief

5/ 5

Sleep Quality

5/ 5

Stays "Cool"

5/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: Less than a year

Condition: Like new

35 - 44 years old

Female

Stomach Sleeper

250-300 lbs

Prefers Harder Feel

Defuniak Springs, FL

Review left on Jan 20, 2023

Ratings from this sleeper:

Back Support

2/ 5

Pressure Relief

1/ 5

Sleep Quality

3/ 5

Stays "Cool"

2/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: 3 years

Condition: Completely worn

45 - 54 years old

Female

Side Sleeper

> 300 lbs

Prefers Harder Feel

Acid Reflux, Allergies, Arthritis, Back Pain, Restricted Mobility, Fibromyalgia, Hip Pain, Osteoporosis, Plus Size, Restless Leg, Sleep Apnea, Sleeping Hot

JanieMelissa, TX

Review left on Jan 21, 2022

Ratings from this sleeper:

Back Support

5/ 5

Pressure Relief

4/ 5

Sleep Quality

5/ 5

Stays "Cool"

5/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: More than a year

Condition: Like new

35 - 44 years old

Female

Back Sleeper

150-200 lbs

Prefers Medium Feel

GopiProsper, TX

Review left on Jan 17, 2022

Ratings from this sleeper:

Back Support

N/A

Pressure Relief

N/A

Sleep Quality

N/A

Stays "Cool"

N/A

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: Less than a year

Condition: Like new

55 - 64 years old

Male

Side Sleeper

200-250 lbs

Prefers Harder Feel

Acid Reflux, Allergies, Back Pain, Neck Pain, Sleep Apnea, Sleeping Hot

Lyman, SC

Review left on Nov 21, 2021

Ratings from this sleeper:

Back Support

3/ 5

Pressure Relief

1/ 5

Sleep Quality

1/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: 1 year

Condition: Like new

55 - 64 years old

Male

Side Sleeper

200-250 lbs

Prefers Medium Feel

Back Pain, Hip Pain, Neck Pain, Sleep Apnea

Paul DFrisco, TX

Review left on Sep 2, 2021

Ratings from this sleeper:

Back Support

3/ 5

Pressure Relief

3/ 5

Sleep Quality

2/ 5

Stays "Cool"

3/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: Less than a year

Condition: Like new

Over 65 years old

Male

Stomach Sleeper

150-200 lbs

Prefers Harder Feel

Arthritis, Back Pain, Hip Pain, Sleeping Hot

Bismarck, ND

Review left on Apr 29, 2021

Ratings from this sleeper:

Back Support

3/ 5

Pressure Relief

3/ 5

Sleep Quality

3/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: Less than a year

Condition: Like new

55 - 64 years old

Male

Side Sleeper

150-200 lbs

Prefers Medium Feel

Acid Reflux, Back Pain, Neck Pain

Addison, TX

Review left on Feb 2, 2021

Ratings from this sleeper:

Back Support

4/ 5

Pressure Relief

5/ 5

Sleep Quality

5/ 5

Stays "Cool"

4/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: 1-3 months

Condition: Like new

Under 25 years old

Male

Stomach Sleeper

200-250 lbs

Prefers Medium Feel

Grayling, MI

Review left on Sep 14, 2020

Ratings from this sleeper:

Back Support

5/ 5

Pressure Relief

5/ 5

Sleep Quality

5/ 5

Stays "Cool"

5/ 5

Value

N/A

Warranty Service

N/A

This review is for Serta iComfort CF4000 Firm

Owned for: 3-6 months

Condition: Like new

35 - 44 years old

Male

Side Sleeper

250-300 lbs

Prefers Medium Feel

Allergies, Back Pain, Hip Pain, Neck Pain, Sleep Apnea, Sleeping Hot

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Serta iComfort CF4000 Firm
Mattress Ratings & Reviews

Find the Right Bed

Compare Side-by-Side

Popular Mattress Comparisons

Discounts

GoodBed Cash Back

Expert Reviews

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Popular Store Brands

Write a Review

Mattress 101

The GoodBed Matching Quiz

Expert Reviews

Customer Reviews

Serta iComfort CF4000 Firm Mattress Ratings & Reviews

Serta iComfort CF4000 Firm
Mattress Ratings & Reviews