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 nearly 50 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 (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 over 35 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’s hot tubs have also achieved the Spasearch Buyer Guide’s highest “Recommended” rating – see more about our awards here.
Dimension One opens its first retail store in La Mesa, California.
D1 Spas is first to manufacture a fully insulated spa for in-ground or above-ground usage.
D1 begins manufacturing a self-contained portable spa that is fully insulated and uses electronic controls.
Introduces the UltraLounge®, the benchmark standard for hydrotherapy.
First company in the spa industry to provide a factory installed ozone purification system.
Inroduces the first vertical jet with 100 GPM for foot, ankle, and calf therapy.
D1 introduces the patented user-serviceable diverter valve.
Receives a patent for the first fully adjustable cover lift in the industry.
D1 brings out the patented HydraFlex® Jet, the only jet that adjusts for air-flow, direction and water volume.
D1 Spas is the first and only company to include an adjustable up and down patented head rest.
D1 Introduces the most effective ozone water filtration system in the hot tub industry, UltraPure®.
D1 introduces a smart heater that enhances performance.
D1 introduces a self-checking diagnostic control center.
Introduces the revolutionary Dynamic Massage Sequencer which is the world’s only programmable hydrotherapy lounge.
Release of several new systems to enhance user relaxation, iWatch, Magnetic Switches, and Tactile Therapy.
Breakthrough curvilinear design is patented and only available from D1 Spas.
D1 brings out the LFX option package, the most sumptuous mood enhancing experience in the industry. Utilizing interchangeable water fountains, lights and more.
Releases M-Drive, the world’s most intuitive and ergonomically friendly hot tub controller.
An industry first, the only spa water management system to integrate ultraviolet germicidal light technology with an ozone system.
Terracina skirting provides the most unique blend of durability and natural beauty found on the market, exclusive to D1.
Dimension One Spas releases Clear Zone PRO. This factory installed option is available exclusively on the @Home Collection.
D1 Hub™ brings convenience to your fingertips with a comprehensive control panel that manages your hot tub’s major functions in seconds.
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.
Help protect and sustain the environment by developing eco-friendly products and manufacturing processes.
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.
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 35 years.