Our experts share the top swim spa brands in the USA to help you decide…

Dimension One vs Hot Spring – What to Choose?
When comparing Dimension One Spas and Hot Spring Spas, both premium brands offer exceptional features, but they cater to slightly different preferences. Dimension One Spas are renowned for their innovative designs and customizable massage options, making them a great choice for those seeking a personalized hydrotherapy experience. On the other hand, Hot Spring Spas excel in energy efficiency and advanced water care systems, appealing to users who prioritize low maintenance and sustainability.
| Feature | Dimension One Spas | Hot Spring Spas |
|---|---|---|
| Price Range | $8,000 – $22,000 | $8,000 – $26,000 |
| Energy Efficiency | Good, with full-foam insulation | Excellent, certified by California Energy Commission |
| Jet Customization | Highly customizable with patented adjustable jets | Customizable, featuring Moto-Massage DX in select models |
| Water Care | UltraPure system for clear water | FreshWater Salt System available |
| Warranty | Up to 7 years on shell, 5 years on components | Up to 7 years on shell, 5 years on components |
| Models Available | Bay, Reflections, @Home Collections | Highlife, Limelight, Hot Spot Collections |
This comparison highlights the key differences to help you decide based on your priorities, whether it’s advanced features or operational efficiency.
“Spec sheets never show you the part we see from the service side: a premium hot tub is a 15-to-20-year relationship with whoever installs and services it. Both of these brands have strong dealer networks, so before you compare jet counts, ask which dealer near you stocks parts and actually handles the warranty work. That answer matters more in year six than anything on a brochure.”
Dimension One Spas
D1 Spas is a California-based company that manufactures hot tubs and spas. Dimension 1 hot tubs has become one of the leading brands throughout the USA, offering award-winning hot tubs known for:
- Luxury
- Clear Water
- Low Operating Costs
The Dimension One spa prices are known to be some of the best values in the hot tub market.
Founded back in 1977, Dimension 1 Spas has been offering top-notch performance to satisfy consumer needs. The dimension one spas older models made D1 the first and only hot tub manufacturer awarded the Silver Medal Shingo Prize in 2007.
The quality swim spa manufacturer attributes its success and award-winning service to its core values:
- Integrity
- Continuous Improvement
- Family
Dimension One Spas Reviews
Are Dimension One spas good? Based on numerous dimension one spas reviews, users praise the brand for its durable construction and innovative features. Many dimension one hot tub reviews highlight the excellent hydrotherapy and low operating costs, making them a solid choice for long-term relaxation. Dimension one spa reviews often note the reliability of models like the Amore Bay, with customers appreciating the clear water systems and customizable jets.
Dimension One Hot Tub Features
Dimension One spas are particularly known for their unique features. The few mentioned above were just the beginning. From Glass Touch Control all the way to the Dynamic Massage Sequencer, there’s no doubt as to why this spa brand is an award-winner.
Here are the most iconic features that have gotten Dimension One to where they are today:
SmartHUBâ„¢ Glass Touch Control

Glass touch control technology has taken over modern-day technologies. Hot tubs and spas aren’t lagging behind. With D1’s Smarthub Glass Touch Control you’ll be able to manage all key functions of your hot tub straight from your spa, within seconds. No more buttons or dials that can get fidgety when wet.
D1 Spa lQ APP
Don’t minimize your use only to the large touch screen located within your spa or hot tub. You can equally access all of the key functions directly from any device in which the app has been downloaded. You can easily warm your hot tub up on your way home!
UltraLounge
The Ultralounge feature is enhanced with a no-float design. The lounger has been sculpted to your body shape. It is enhanced with slotted spaces for your legs and arms. These provide slanted jets that will keep your body in position throughout your entire soak.
Patented Adjustable Jets
Accent jets provide Dimension 1 hot tub users with a patented, personal touch. With a contemporary shape and easy-to-twist motion, you’ll find comfort from every angle.
But wait… there’s more.
The jets located on the floor of the hot tub provide a typhoon-like massage that pinpoints pressure points and other important massage spots throughout the feet, calves and thighs.
Flex Therapy Pillow
Flex therapy pillow allows for the user to adjust the neck and shoulder pillow to accompany any height or position. Making for quite the comfortable relaxation position, for any user.
Dynamic Massage Sequencer
The Dynamic Massage sequencer provides hot tub lovers with a customizable, more personable experience:
- Personal controls
- Six different massage combinations
- Customization of both speed and pause
D1 Spa Collections
Bay Collection
One of the most unique and pleasurable spa options on the market, the Bay Collection offers a series of three options.
- Amore Bay Spa
- Lotus Bay Spa
- Serena Bay Spa
Individual models all offer their own unique qualities. The Bay Collection features outstanding details that put it above other hot tub options in the spa industry.
- Stainless steel jets, do not corrode
- Terracina
- Soothing light options
- Bubbling foundation
- Water Management system
- Echo underwater switches
Reflection Collection
The Reflection Collection offers seven high-quality spas. Each spa is formulated with its own unique features, but all share these core benefits:
- Flex therapy pillows
- UltraLounge seating
- Tactile therapy
- Backlit waterfall
- External status light
- Stereo
Home Collection
A collection designed for the whole family to enjoy. This collection is not only family-friendly, but it’s also designed for a family budget. Still, it is packed with valuable features:
- Accent jets
- Select models include UltraLounge seating
- ClearZone PRO
- Stereo
- Crystal FX
Pricing
Swim spa purchases have various spending and financial aspects to be considered. Not only is a spa owner responsible for monthly operating costs, but also for extra energy costs. Dimension One Spas offer a range of pricing options based on one’s preferred feature sets and model variety.
Very Expensive: Luxury
- Amore Bay
- Executive
- Diplomat
Expensive: Premium
- Chairman
- Nautilus
- Californian
- Aurora
- Nautique
Mid Range: Mid-Level
- Triad 36″
- Sojourn
- Wayfarer
- Meridian
- Latitude
- Triad 30″
Most Affordable: Entry-level
- Serenade
- Breeze
- Dream
- Journey
- Cove
Warranty
Dimension One Hot Tubs come with top-notch warranties. Experienced dealers will provide buyers with all information needed to understand your swim spa warranty. Here’s a low down on a few of the warranties offered. Of course, the life of a hot tub depends on various aspects, the most important part of how long a hot tub lasts, reflects on the overall hot tub manufacture.
1. UltraLife Shell
Dimension One Spas shells have been manufactured to and warranted not to crack throughout the entire lifetime of the hot tub. A full warranty will cover all expenses to the shell of the spa for 7 years. After 7 years, only the shipping expenses are to be paid by the swim spa’s owner and all other expenses paid by Dimension 1.
2. Durable, Well-made Skirting
Dimension One’s Envirotech skirting is made out of an environmentally friendly material that is durable and weather resistant. Making it strong enough to uphold any outside circumstances that may affect it. Making the warranty, again, good for 7 years.
Dimension One’s Terracina skirting is also a durable and weather-resistant material. The skirting is proven to not fade, crack or require any serious upkeep.
3. Limited Upkeep Promise
Dimension One has set out to provide customers with swim spas that will provide a backyard sanctuary with little to no upkeep throughout the years. With a promise that your hot tub will continue to look new after years of use.
Any Dimension 1 Spa licensed dealer can provide extra information about warranties or questions one may have before purchasing any swim spas.
Who is it for?
Low Budget Options
Hot tubs are set up with premium features, for premium customers. Due to the full-foam insulation and a more progressive heating element, the D1 hot tubs provide users with lower monthly operating costs than other manufacturers.
Water Quality Enthusiasts
Dimension One hot tubs have been awarded various times throughout the years specifically for its water filtration system. D1 makes water care simpler and easier to understand.
Anyone New to Hot Tubbing
Understanding water chemistry and other maintenance issues within a hot tub can be troublesome to new hot tub owners. D1 gets that. Within the control panel on all D1 hot tubs, owners will be notified of any issues or required maintenance needed. This electronic control panel is enhanced with touchscreen controls and is quite easy to understand.
Repairs Are Far and Few Between
Dimension One Spas has an extensive dealer network, making for a quick customer service response. Replacing or finding any parts or service won’t be an issue.
Hot Spring Spas
Hot Spring Spa Reviews
Manufactured by the well-known and high-quality brand Watkins Wellness. Also known for their manufacture of:
- Behr Paint
- Delta Faucets
- KraftMaid
Starting off on the right foot, with a well-known manufacturing company, created a go-to spa brand with premium features. Hot Spring’s mission is to create a hot spring experience that provides users with amazing hydrotherapy, a calming backyard design, and just overall retreat and reset opportunities.
Hot Spring Hot Tub Reviews
Are Hot Springs hot tubs good? According to hot spring hot tub reviews, they are highly regarded for their energy efficiency and reliable performance. Hot springs hot tub reviews often commend models like the Grandee for spacious seating and powerful jets. Overall, hot spring spas reviews indicate strong customer satisfaction with durability and ease of maintenance.
Hot Spring Spa Features
Exclusive Moto-Massage® DX
This Hot Spring Spa exclusive provides a robust massage with the Moto-Massage DX. This jet system is structured to move up and down the length of the back. Delivering a deep tissue massage with two high-powered jet streams.
Variety of Unique Jets
Although the Moto-massages DX may be available only in select models, there are plenty of other jet options that will provide maximum pleasure and flow control. All jets manufactured in the Hot Spring Spas provide pressure with customizable controls that are easy to understand.
Freshwater® Salt System
Keep your water feeling soft with the Hot Spring’s Freshwater salt system. The perks of having a saltwater hot tub are becoming better known and people enjoy the change. Keep your water feeling soft with a pinch of salt to get these benefits:
- Keep spa water clean for up to a year
- Automatic generation of chlorine
- Harsh chemical smells are a thing of the past
Spend less time perfecting the water chemistry
100% No-Bypass Filtration Tri-X® Filters
Dishwasher-safe filters will help keep spa water clean much longer than the traditional filters. These filters never stop filtering, even when the jets are on! Keep your water constantly clean and filtered.
Only available in the Highlife Collection Models (see below)
Outstanding Energy Efficiency
Energy costs can heavily weigh in on which hot tub brands are at the top of your list. Hot Springs has developed some of the most energy-efficient hot tubs on the market. Each hot tub collection will determine the energy efficiency of the spa. Although that may be true, there are various features that are true for all Hot Spring spa collections:
- Spa Covers – Dense, foam-filled spa covers are designed to fit spas tight. Not letting any warm air out, keeping it contained and warm.
- Silentflo 5,000 Circulation Pump – Keeps water continuously circulated. Uses less energy than a 40-watt light bulb.
- WaveMaster Jet Pumps – Adjustable water jets that are activated only when you want them
- SmartJet System – Allowing users to pick and choose which jets they need, while the others will remain off. Resulting in less horsepower put forward from the jets, and ultimately less energy.
- Pump Shroud – Heat is transferred from within the hot tub equipment, rather than creating new heat.
Hot Spring Spa Collections
Highlife® Collection
Highlife Collection is rated as the Hot Springs’ top spa option. With some of the biggest features available for hot tubs overall.
- MotoMassage DX Jet
- 100% No-Bypass Filtration
- Super Energy Efficient
- Wireless Remote Control
- Polymer Structure and Base Pan
- Choose from 6 Cabinet color options
Limelight® Collection
The Limelight Collection is a close second to the Highlife Collection. Although it may not be enhanced with the MotoMassage DX Jets, it still promises to provide users with a customizable massage that won’t disappoint.
- Fresh Water Salt System
- SilentFlo 5,000 Circulation
- Large, Color LED Display Control Systems
- Multi Color Lighting
Hot Spot® Collection
The most simple collection of Hot Spring spas. It has all the basic amenities and surely will not disappoint anyone looking for a more basic model.
- Fresh Water Ozone System
- FiberCor Insulation
- Advanced Control System
- Multi Color Lighting
Pricing
Hot Spring spa models’ price range can accommodate a wide range of budgets. Entry-level models start around $8,000, while the most luxurious hot tubs can reach up to $26,000, depending on the collection and features you choose.
Warranty
Hot Springs warranty differs greatly depending on the collection you decide on. It’s important to note that the more expensive collection options will provide the best warranty. There’s no doubt that whichever spa you decide to purchase, you’ll receive a 5-year-component warranty.
How Long Does a Hot Springs Hot Tub Last?
A Hot Spring hot tub is built to last, typically giving you 15 to 20 years of enjoyment when well-maintained. With durable materials and thoughtful design, these hot tubs are made to provide long-term relaxation and comfort.
What routine maintenance can extend the life of my Hot Spring hot tub?
Regularly checking and balancing the water chemistry, cleaning the filters, and ensuring the cover is in good condition are key steps to extending the life of your hot tub. Proper care reduces wear and tear on the components.
How important is water quality for the longevity of my hot tub?
Maintaining balanced water chemistry is very important for the longevity of your hot tub. Poor water quality can cause damage to the internal components over time, so regular testing and adjustments are essential.
Does the location of my hot tub affect its lifespan?
Yes, placing your hot tub on a sturdy, level surface and ensuring it’s sheltered from extreme weather can help prolong its life. Proper placement protects the tub’s structure and components from unnecessary stress.
How often should I replace the filters in my Hot Spring hot tub to ensure it lasts?
Filters should be cleaned regularly and replaced every 1 to 2 years, depending on usage. Clean filters ensure efficient operation, reducing strain on the hot tub’s system and contributing to a longer lifespan.
Who is it for?
Easy to Maintain
These spas are perfect for anyone looking for an easy-to-maintain water system. The saltwater option is offered for various Hot Spring tub models. This unique feature allows for more time to enjoy and less time to perfect the chemical balance.
High budgets, means higher quality
If you’re in the market for a new hot tub and willing to spend a large amount of money, then Hot Spring is the right option for you. Their lower budget models don’t hold up quite as well as their higher budget models. Although they’re not a bad hot tub option by any means, you’ll just get more bang for your buck with a higher-end model.
Repair and Parts aren’t difficult to find
There are dealers all over for Hot Spring hot tubs. This in turn, will make finding parts, keeping up with regular maintenance, and handling any issues simple.

Dimension One Spa Pros & Cons
Pros
- Full-Foam insulation to keep heat in and cold out
- Standard adjustable jets for a more customizable massage experience
- Easy to use smart connectivity options across models and collections
Cons
- No small hot tub options
- Cannot see pricing options without a quote
Hot Spring Spas Pros & Cons
Pros
- Hot tub options of all sizes, including small, medium and large
- Energy-efficient options that are much more in tune with consumers than other hot tub brands
- One of the few hot tub brands to offer a saltwater sanitation system
- Broken down pricing structure
Cons
- Not many affordable hot tub options
- Adjustable water jets aren’t available with all models
- Due to such a large focus on energy efficiency, jet systems have fewer customization options
Which Hot Tub Brand Should You Choose?
It really comes down to the hot tub you’re in the market for. There are certain things to look out for when searching through both Dimension One and Hot Spring hot tubs, consider the following:
#1 Budget
Hot Springs offers some of the best and most unique premium and luxury hot tub options, but their lower budget options tend to lose some of the important aspects. Dimension One, on the other hand, continues to supply consumers and hot tub lovers with premium features even in their lowest budget options.
#2 Energy Consumption
If you’re in the market for an energy-efficient hot tub, then there’s no doubt that the Hot Spring brand will provide you with exactly that. Hot Springs has worked hard to bring some of the most luxurious options into energy-efficient models.
“Shoppers compare sticker prices; owners live with the power bill. Insulation and the circulation pump are where an efficient spa quietly earns its keep, and you feel that difference in January, not in the showroom. If two models are close on price, ask how each one holds heat before you decide.”
#3 Features
If you’re looking for a hot tub decked out with all the bells and whistles, then Dimension One is the best option for you. Premium features are offered across the entire collection of Dimension One spas. Of course, there are options for an upgrade, but the overall entertainment aspect can still be filled with the most basic model.
Frequently Asked Questions
Based on the reviews covered in this guide, Dimension One spas are praised for durable construction, innovative features, excellent hydrotherapy, and low operating costs. Reviewers often note the reliability of models like the Amore Bay, along with the clear water systems and customizable jets. Dimension One has been building spas since 1977 and was the first and only hot tub manufacturer awarded the Silver Medal Shingo Prize in 2007.
According to the Hot Spring reviews covered in this guide, they are highly regarded for energy efficiency and reliable performance. Reviews often commend models like the Grandee for spacious seating and powerful jets, and overall customer satisfaction with durability and ease of maintenance is strong.
Dimension One Spas are known for innovative designs and highly customizable massage options, making them a strong choice for a personalized hydrotherapy experience. Hot Spring Spas excel in energy efficiency and advanced water care systems, including an available FreshWater Salt System, which appeals to owners who prioritize low maintenance. Both brands back their shells for up to 7 years and components for 5 years.
The comparison table in this guide lists Dimension One spas at $8,000 to $22,000 and Hot Spring spas at $8,000 to $26,000, depending on the model and collection. Pricing varies with features, and Dimension One publishes pricing by quote, so contact a local dealer for current numbers.
A well-maintained Hot Spring hot tub typically lasts 15 to 20 years. Regularly balancing the water chemistry, cleaning the filters, keeping the cover in good condition, and placing the tub on a sturdy, level surface all help extend its life.
Epic Hot Tubs is a Dimension One Spas dealer in North Carolina. You can see current models in person at our showrooms in Raleigh, Durham, Sanford, Charlotte, and North Charlotte, and our team can walk you through how Dimension One compares with other premium hot tub brands.
Conclusion
In conclusion, Dimension One and Hot Springs hot tubs all have their own, unique take on the hot tub experience. With water feeling soft and delectable in the Hot Spring options, and the touchscreen controls taking over in the Dimension One hot tub options, there are benefits to both. Deciding which model is best for you depends on exactly what you’re looking for. Choosing the right hot tub isn’t easy, but once you have a brand in mind, it just comes to deciding on the right model for your specific needs and budget.
Have questions, or want to see options in person? Stop by any of our five North Carolina showrooms and talk it through with our team: Raleigh, Durham, Sanford, Charlotte, or North Charlotte. We are open 7 days a week, no appointment needed.
Richard Horvath
Richard has been in the hot tub & spa industry for years. As a long hot tub & swim spa owner himself, Richard has a passion for helping homeowners create their dream backyard.