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Mattress Ratings >> Innerspring Mattresses > King Koil Mattress Reviews

unbiased King Koil Innerspring Mattress Review, Ratings & Comparisons

Based on 88 Actual Consumer Experiences

December 7, 2015

What You Need To Know

THE GOOD: Limited heat trap and initial odor / off gassing potential • some models highly affordable • above-average SLTD company rating.

THE BAD: Durability / longevity questionable (like innerspring beds in general) • limited availability in western half of U.S.

THE COMPANY: King Koil (founded in 1898) mostly manufactures low- and mid-priced innerspring mattresses including Posture Sense, Laura Ashley, iMattress, Duck Dynasty and Extended Life.

THE COMPETITION: See how King Koil compares to competitor brands including Serta, Sealy and Simmons in the innerspring bed reviews – summary and the mattress comparison.

THE RETAILERS: King Koil is sold at a fair number of retailers including Sleepy's and Art Van Furniture.

About Our Unbiased King Koil Mattress Research

The ratings below are based on 85+ King Koil / Laura Ashley innerspring mattress owner experiences for various models. Learn more about our unbiased mattress research methodology and sources.

King Koil Mattress Ratings

Owner satisfaction d King Koil innerspring mattresses overall (including Laura Ashley) have 64% owner satisfaction. Learn more.
Durability / longevity d+ Like innerspring beds overall, King Koil's lifespan is below average compared to non-innerspring beds. Owner experience data suggests King Koil beds will sag to an extent that undermines comfort and support within three years for 20%+ of owners.
Price B- The price range is often $300-$2,800 depending on size and model, not including a foundation.
Less (back) pain c See mattresses and pain relief for general analysis.
Motion isolation c+ A mattress has motion isolation if it absorbs movement from one sleeper so that another is not disturbed. King Koil motion isolation can vary from poor to good depending on the model. Those with independently encased (pocket) coils tend to perform best.
No initial odor / off gassing b- Initial odor from King Koil mattresses tends to not be a significant problem.
No sleeping hot b- Less than 5% of owners report a significant heat retention issue.
Good for sex B- Mattress sagging can be detrimental in regard to this issue. (See mattresses and sex for general analysis).
No noise c Models that use a coil system other than independently encased (pocket) coils may make noise, such as squeaking and creaking.
Easy to maintain c Most models are no-flip. At least 10% of owners report having to regularly rotate their mattress (head to foot) to combat sagging and body impression development.
Specs disclosed C- King Koil performs about average at providing specifications for its beds. Information regarding thickness measurements for the various layers as well as details on the makeup of the materials is often not available. This lack of information can hinder making an informed buying decision as well as comparison shopping.
Availability C There are many King Koil (and Laura Ashley) retailers on the East Coast, somewhat fewer in the Midwest, and fewest on the West Coast.
Warranty B- Warranty coverage ranges 10 to 25 years depending on model. See mattress warranties: what you should know.
Customer service B- Customer service quality is questioned by at least 10% of owners.
BBB rating a+ King Koil has a stable "A+" Better Business Bureau rating and appears to have a total of fewer than 15 complaints filed against it and its licensees in the past three years which is somewhat better than average for a mattress company of its size.
SLTD Company Rating B SLTD (Sleep Like The Dead) company rating for King Koil is "C+". Learn more.

Owner Satisfaction Comparison

King Koil innerspring mattresses have 64% owner satisfaction. The various models appear to rate fairly similar. This rate is about average compared to all innerspring mattresses but below the average of all mattresses (72%).

king koil comparison chart

SLTD Company Rating

Sleep Like The Dead's company rating for King Koil is "B" based on the following.

Product Ratings 5
Customer Service 6
Return Policy 5
Time in Business 10
Warranty 6
Marketing Accuracy 8
Specs Disclosed 3
BBB Rating 10
BBB Rating Stability 9
Number of BBB Complaints / Business Size Ratio 7

Total: 86-100 = A+ • 81-85 = A • 77-80 = A- • 73-76 = B+ • 69-72 = B • 65-68 = B- • 61-64 = C+ • 57-60 = C • 53-56 = C- • 49-52 = D+ • 45-48 = D

king Koil sltd rating


– As is true for innerspring mattresses in general, at least 20% of King Koil owners report that their mattress sagged and lost support within 3-4 years of regular use.

– Off gassing and heat retention tend not to be significant problems for King Koil beds.

– There are many King Koil retailers on the East Coast, fewer in the Midwest, and few on the West Coast.

At Amazon: A Top-Rated Value-Priced Innerspring Mattress


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