Business Details
31 Years
experience
Your Trusted Mattress Experts in Sioux Falls
Comfort King has been dedicated to revolutionizing sleep comfort since 1995, founded by Chris Larson in Sioux Falls, South Dakota. Our mission centers on crafting high-quality, customizable mattresses that adapt to evolving customer needs through our Lifetime Comfort Guarantee. We pioneered the patented SoftSpot Testing System, ensuring precise identification of pressure points for optimal comfort. Our FLWT Zero-Gravity Gel technology, developed through three years of research with North Dakota State University, sets industry standards for cushioning. With two locations in the Dakotas, we combine local community focus with nationwide mattress innovation.Our team prioritizes integrity, offering personalized consultations to match customers with tailored sleep solutions. We stand behind our products with the SoftSpot Warranty, reflecting decades of expertise in mattress engineering. Customer testimonials highlight our commitment to exceptional service, including free adjustments and hassle-free delivery. As a family-owned business, we maintain transparency in operations while fostering lasting customer relationships. Our dedication to quality extends beyond mattresses to include pillows, bedding, and adjustable bases for comprehensive sleep wellness.
Services
Hybrid Mattresses
Adjustable Bases
Pillow Selection
Mattress Adjustments
Delivery Services
Warranty Repairs
Sleep Consultations
Bedding Accessories
Details
- Year established: 1995
Highlights and features
- We offer lifetime mattress comfort adjustments at no additional cost
- Our patented SoftSpot Testing System ensures precise pressure point analysis
- Family-owned operation with 28 years of local mattress manufacturing expertise
- Zero-gravity gel technology developed through university research partnerships
- 98% customer satisfaction rate based on 373 verified reviews
What people say
Perfect fit for unique spaces
Professional delivery team
Lifetime adjustment program
Pain relief improvements
Excellent customer support
Services
Hybrid Mattresses
Our hybrid mattresses combine individually pocketed coils with proprietary FLWT Zero-Gravity Gel for optimal support and pressure relief. The unique coil system reduces motion transfer while maintaining proper spinal alignment. Customers benefit from temperature-neutral sleep surfaces that adapt to changing comfort needs through our lifetime adjustment program.
Lifetime Adjustments
We provide complimentary mattress modifications throughout ownership duration. This service allows material upgrades to adapt to evolving sleep preferences or physical requirements. Adjustments include firmness modifications, support system enhancements, and comfort layer replacements using premium materials at no additional cost.
Delivery Services
Our professional delivery team handles complete mattress installation including old mattress removal and new bed positioning. Delivery specialists ensure damage-free transport through challenging spaces while maintaining strict time windows. Service includes remote control instruction and care maintenance guidance for adjustable bases.
Patented Testing
The SoftSpot Testing System identifies pressure points that traditional methods miss. This scientific approach measures material breakdown patterns to create durable, personalized comfort solutions. Customers receive data-driven recommendations for mattress configurations that prevent long-term discomfort.
Sleep Consultations
Our experts provide personalized sleep environment assessments considering individual health needs and sleeping positions. Consultations cover mattress-foundation compatibility, bedding material selection, and adjustable base integration. Recommendations focus on improving sleep quality through biomechanical alignment and pressure distribution optimization.
People
Chris Larson
Founder
Established Comfort King in 1995 with a vision for customizable mattresses that evolve with customers' needs. Prioritizes community engagement and scientific innovation in sleep technology development. Leads with a commitment to lasting customer relationships and product integrity.
Questions
What makes Comfort King mattresses different?
Our patented SoftSpot Testing System and FLWT Zero-Gravity Gel technology provide scientifically validated pressure relief. Lifetime comfort adjustments ensure long-term satisfaction.
Do you offer mattress adjustments after purchase?
Yes, our Lifetime Comfort Guarantee allows free material upgrades to adapt to changing sleep needs at any time during ownership.
What mattress types are available?
We specialize in hybrid mattresses combining pocketed coils with gel-infused foam, plus traditional innerspring and plush options in all standard sizes.
How does delivery work?
Our team handles complete bedroom setup including old mattress removal, new bed positioning, and remote control instruction within scheduled time windows.
What warranty coverage exists?
The SoftSpot Warranty covers material breakdown patterns identified through our patented testing system, with free repairs or replacements for manufacturing defects.
Can I try mattresses before buying?
Yes, our showrooms in Sioux Falls and Fargo offer hands-on testing. The Hotel Donaldson also provides overnight trial experiences with Comfort King mattresses.
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