UNBIASEDKing Koil Mattress Reviews, Ratings and Comparisons

What You Need To Know

PROS. Affordable price • Limited heat retention • Limited initial odor • No noise issues • Pain relief potential

CONS. Only one model • Questionable durability • Sagging problems • Limited availability

COMPETITION: See Side-by-Side Mattress Comparison to get detailed reviews about how King Koil Mattresses compare to other mattress brands.

BASIC INFO: Founded in 1898, with a century-long history, King Koil is a mattress manufacturing company with its bedding products mainly used in many hotels and available in retail stores around the United States and 80 other countries in the world

Overall Ratings

Our King Koil Mattress ratings are based on consumer experiences - the data below is unbiased with truthful contents and up-to-date product information. Take a look at how King Koil Mattress rates comparing to the average level of mattresses.

Price $250-$2700
Lifespan Compared to other brands of mattresses, King Koil performs a little worse in the aspect of durability because some of its cheaper products tend to break down after several years' use.
Firmness Rated as soft to firm, the firmness of King Koil mattress is medium-firm on average after the break-in period based on the owner experience data.
Conforming ability As for the conforming ability, King Koil performs best with those mattresses made from memory foam or latex which provides a pressure-point-free sensation.
Motion isolation King Koil performs differently depending on the model. Mattresses with independently pocket coils can absorb the movement made from one sleeper to another.
Edge support It performs well for people to sit or sleep at the edge of the mattress. However, it may wear within a couple of years' use because King Koil is often made of foam.
Sex friendly The King Koil mattress has less durability and comfort than the memory foam mattress. Therefore, it will be an issue for some people when it comes to the aspect of sex.
No initial odor People seldom complain about the problem of unpleasant odor of the King Koil mattress.
No sleeping hot One of the advantages of King Koil is that it doesn't have the issue of heat retention which makes people feel uncomfortable when awake.
No noise Most products of King Koil seldom have noise when using based on the customer using experience data.
No need of topper King Koil performs better than the average mattress and its main competitors. Therefore, it all depends personal needs whether to add a topper on the bed or not.
Short break-in period It takes about 12 days for people to get adjusted to the basic type mattress of King Koil. However, the break-in period for the mattress with at least two inches of memory foam tends to be longer.
Easy to maintain Designed with no flip, King Koil will be necessary for King Koil mattress to rotate 2-3 times a year to fight against the sagging problem.
Easy to move King Koil is hard for people to handle and lift due to its heavy weight weighing about 60-140 pounds which is heavier than that of the average mattress.

Company Info

BedsReview provides accurate company information of King Koil Mattress - see how the company rates comparing to the average level of mattress manufacturers.

Name King Koil
Time in Business 1898
Return Policy It offers a 30-day return policy if you are not satisfied with the King Koil mattress.
Customer Service Call at 800-525-8331
Specifics Disclosing fair
BBB rating A+
Warranty 5-20 years
Purchase Channel stores, online

Price & Value

The price varies according to the model you chose, and it is significantly less expensive than the average mattress. On the whole, the price of King Koil mattress ranges from $250 to $2700. However, you need to pay additional money if with foundations.

Maintenance & Waranty

The King Koil mattress needs to be rotated 2-3 times a year regularly to prevent its wear and sagging though designed with no flip. Compared to other brands of mattress, King Koil may have a comparatively longer warranty which lasts about 25 years

See Mattress Warranty: All You Need to Know.

Series & Models Info


King Koil

Model:King Koil

Feature:With silk and wool blended comfort layer, the surface of King Koil mattress makes people feel comfortable.


Mattress Height:9-17"


Selling Point:One of the biggest advantages of King Koil mattress is that it has less heat retention which can solve the problem of most people with sleeping hot.

All Models Comparison

The table below rates all the models of King Koil Mattress in price, size, thickness, firmness, cover, layer, mattress type and more. It contains the general information of mattress model for customers to choose.

King Koil
Mattress typeinnerspring
Firmnesssoft to firm
Comfort layerfoam, memory foam, latex
Comfort layer thickness2-6"
Base layeropen*, continuous* or pocket coils
Base layer thickness6"
Best usetemporary / occasional and long-term / regular

Sleep Position Suitability

This table below shows King Koil Mattress models for sleep position based on your personal size and body type. It helps you choose the most comfortable mattress models.

Ave-sized People
(130 - 230 Lbs)
Large-sized People
(230 + Lbs)
Small-sized People
(Under 130 Lbs)
King Koil Back Sleep Friendly
Side Sleep Friendly
Stomach Sleep Friendly

Mattress Selector

Use our Mattress Selector to find your perfect mattress based on mattress sizes, prices, sleep positions, and more.

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