At Dimension One Spas®, our precision engineering is evident in every detail of every hot tub we sculpt, derived from a thirst for knowledge and a love of the latest technology. With over 40 years of pushing the envelope of what a hot tub should be, we have integrated intelligence, utilized the most durable materials and given you more features that give you exactly what you need.
Dimension One Spas®, founded in 1977, has grown to become one of the world’s leading manufacturers of hot tubs and swim spas.
Dimension One Spas® (D1®) is the leading manufacturer of award-winning hot tubs and swim spas and home to the world’s first curvilinear spa. D1® Spas is based in Carlsbad, CA and sold through a network of retailers in the United States and worldwide. With more than 40 years of experience, the company’s four product lines and patented features offer a higher class of design, performance and value that meet a variety of consumer needs. In 2007, D1® was awarded the Silver Medal Shingo Prize, becoming the world’s first and only hot tub manufacturer to receive the distinguished award. D1® hot tubs have also achieved the Spasearch Buyer Guide’s highest “Recommended” rating – see more about our awards here.
D1 Hub™ brings convenience to your fingertips with a comprehensive control panel that manages your hot tub’s major functions in seconds.
Dimension One Spas releases ClearZone PRO. This factory installed option is available exclusively on the @Home Collection.
Terracina skirting provides the most unique blend of durability and natural beauty found on the market, exclusive to D1.
An industry first, the only spa water management system to integrate ultraviolet germicidal light technology with an ozone system.
Releases M-Drive, the world’s most intuitive and ergonomically friendly hot tub controller.
Liquid FX Package
D1 brings out the LFX option package, the most sumptuous mood enhancing experience in the industry. Utilizing interchangeable water fountains, lights and more.
Curvilinear Spa Design
Breakthrough curvilinear design is patented and only available from D1 Spas.
iWatch, Tactile Therapy, Magnets
Release of several new systems to enhance user relaxation, iWatch, Magnetic Switches, and Tactile Therapy.
Dynamic Massage Sequencer
Introduces the revolutionary Dynamic Massage Sequencer which is the world’s only programmable hydrotherapy lounge.
Scrolling Message center™
D1 introduces a self-checking diagnostic control center.
D1 introduces a smart heater that enhances performance.
UltraPURE Water Management
D1 Introduces the most effective ozone water filtration system in the hot tub industry, UltraPURE®.
NeckFlex™ Jet Pillow
D1 Spas is the first and only company to include an adjustable up and down patented head rest.
D1 brings out the patented HydraFlex® Jet, the only jet that adjusts for air-flow, direction and water volume.
EZ – Lifter®
Receives a patent for the first fully adjustable cover lift in the industry.
D1 introduces the patented user-serviceable diverter valve.
Introduces the first vertical jet with 100 GPM for foot, ankle, and calf therapy.
CrystalPure Water Management
First company in the spa industry to provide a factory installed ozone purification system.
Introduces the UltraLounge®, the benchmark standard for hydrotherapy.
Self-Contained Portable Spa
D1 begins manufacturing a self-contained portable spa that is fully insulated and uses electronic controls.
First Fully Insulated Hot Tub
D1 Spas is first to manufacture a fully insulated spa for in-ground or above-ground usage.
Dimension One Company Founded
Dimension One opens its first retail store in La Mesa, California.
Company Core Values
Core values drive all D1® actions, decisions and plans so that dealers and customers alike can have the best experience possible.
We behave in ways that are morally, ethically, professionally and legally responsible. We take pride in our company and in ourselves, resulting in a positive image and reputation for the Dimension One family.
We strive to be the industry leader in innovation and quality, constantly improving our products and services to further delight our customers. The diversity, involvement and accountability of our partners are the cornerstones of our success.
There is no “I” or “they,” there is only “we”—the Global Dimension One Family, where everyone is treated with mutual respect and understanding. We continuously improve our skills, knowledge and operations and benefit mutually from our success.
Become a Dealer
Find out how to partner with Dimension One Spas® and become part of this fast-growing spa dealership.
Dimension One Spas® (D1®), founded in 1977, is one of the world’s leading manufacturers of premium home hot tubs/spas and AquaFIT Systems, commonly known as swim spas.
D1® has innovated countless new features and products that have resulted in over 30 patents. These are the innovations and advancements in science and engineering that have kept D1® an industry leader for over 40 years.
ISO 9001: Manufacturer Registered and Certified
Ernst and Young Entrepreneur of the Year Award Winner
Inspire Award, The Association of Pool and Spa Professionals
San Diego World Trade Center Exporter of the Year
Winner: The Society of Plastic Engineers’ Highest Honor: The People’s Choice Award
Stevie Award for “Best Customer Service Team”
Winner of Coveted Spasearch 2016 Certified Award
First Hot Tub Maker in World to Win Shingo Prize