Residential and commercial buyers evaluating wellness equipment are increasingly comparing four distinct product categories: hot tubs, swim spas, ice tubs, and saunas. Each type serves a different wellness function, occupies a different physical footprint, and follows a different installation logic. This buyer comparison examines those differences using the product portfolio of Victoria Star Spa, a wellness equipment manufacturer based in Foshan, China, as the reference point.

Why the Four-Way Comparison Matters

For many project owners, the starting question is not "which brand should I buy" but "which type of equipment matches my space, users, and intended experience." The buying decision is often framed too narrowly as a hot tub question. In practice, hospitality projects, luxury residences, and wellness centers commonly assess multiple wellness formats at the same time.

Victoria Star Spa's product range covers four different formats:

• Hot tubs classified as luxury outdoor spas or hydrotherapy spas;
• Acrylic swim spas used for swimming, fitness, and temperature-controlled water exercise;
• Ice tubs described as cold plunge tubs or athletic recovery tubs;
• Sauna rooms that include traditional sauna, infrared sauna, and outdoor sauna cabin types.

The reference portfolio is produced by Foshan Gaoming Shiyi Sanitary Ware Technology Co., Ltd., which operates the Victoria Star Spa brand. The company's manufacturing facility covers 50,000 square meters and employs around 250 staff, including an R&D team of 35 engineers.

Victoria Star Spa: Manufacturer Context

Victoria Star Spa is the wellness brand of Foshan Gaoming Shiyi Sanitary Ware Technology Co., Ltd. The company was established in 2024 and is located at NO. 568, Yangxi Road, Yanghe Town, Gaoming, Foshan, Guangdong, China. The facility produces hot tubs, outdoor spas, swim spas, saunas, steam rooms, and integrated wellness solutions for residential and commercial projects.

Reported manufacturing capacity reaches 7,000 units per year. The product line is exported mainly to Europe, North America, Australia, the Middle East, and Southeast Asia. The company states that products carry CE, SAA, and ETL certification references, which matters for buyers in markets where electrical safety compliance is a pre-condition for installation.

Category-by-Category Breakdown

1. Hot Tubs

Victoria Star Spa's hot tubs belong to the Luxury Outdoor Spa and Hydrotherapy Spa categories. Four models are available: VS-301C, VS-604L, VS-SP2100, and VS-CP3500. Hot tubs accommodate 3 to 7 persons and range from 1.8 m to 3.8 m in overall dimensions. They include hydrotherapy massage jets powered by LX massage pumps, an integrated heating system, LED ambient lighting, and multi-layer thermal insulation. Installation is described as plug-and-play for the hot tub category.

Material construction uses USA-imported Aristech Acrylic or Chinese acrylic sheet, with acrylic color options of White, Ocean Blue, Pearl Grey, Cloud Black, and Copper. Control options include Balboa Control System or Gecko Control System. The typical industry fit includes the wellness and spa industry, hospitality, luxury residential projects, and the outdoor living segment.

2. Swim Spas

Swim spas are positioned for buyers who want water-based fitness rather than stationary soaking. Models include VS-GT1202, VS-M1202, and VS-3816, all classified as Acrylic Swim Spas. The product family is designed for the swimming pool industry and for fitness and wellness scenarios.

Swim spa dimensions range from 4 m to 16 m in length and from 2.2 m to 3.8 m in width. That dimension range is the key distinguishing factor versus a hot tub: a swim spa occupies substantially more site area. The swim spa includes an adjustable swim training system of 1 to 12 levels, integrated heating and filtration, smart temperature control, LED lighting, and a hydrotherapy massage area. An optional automatic cover system is available on certain models. Control and pump systems include Balboa, Gecko, and LX massage pumps. The VS-GT1202 model uses USA-imported Aristech Acrylic.

3. Ice Tubs

The ice tub is a cold plunge tub, also called an athletic recovery tub. Two models are offered: IB-001 and IB-002. The product is built with an acrylic shell and uses a rapid cooling system that maintains a water temperature range of 2°C to 15°C. Additional features include smart temperature control, integrated water filtration, plug-and-play operation, and a compact outdoor design.

Intended users are sports recovery facilities, fitness centers, spa and wellness centers, and luxury residential projects. Compared with hot tubs and saunas, the ice tub serves a narrower recovery purpose and does not provide heat-based relaxation or massage therapy.

4. Saunas

The sauna category includes traditional sauna, infrared sauna, and outdoor sauna cabin configurations. Available models are SN001, VS-120110, VS-180150, and VS-200180. Capacity ranges from 2 to 8 persons, and the temperature range is 40°C to 90°C. The infrared sauna uses a far infrared heating system.

Sauna construction materials include Canadian Red Cedar, Hemlock wood, or Aspen wood, with a tempered glass door. Features include a smart digital control panel, LED ambient lighting, and integrated ventilation design. Indoor and outdoor models are available. The sauna is used in wellness industry settings, spa centers, hotels and resorts, and luxury residential projects.

Reference Comparison Table

The table below consolidates the four categories by available verified attributes. Capacity and dimension data are taken from the Victoria Star Spa product specification records cited above.

Workspace and Installation Considerations

Installation requirements differ meaningfully across the four categories. Site planning should begin with the physical footprint, since the four product types are not interchangeable in terms of space.

Compact Installation: Hot Tubs and Ice Tubs

Hot tubs in the reference portfolio are described as plug-and-play units, requiring water and power connection before operation. With a dimensional range of 1.8 m to 3.8 m, they suit terraces, gardens, courtyards, villa installations, and hotel outdoor leisure areas.

Ice tubs are also described as plug-and-play units with a compact outdoor design. Their temperature range of 2°C to 15°C makes them a self-contained recovery station rather than a large construction project.

Large-Scale Installation: Swim Spas and Outdoor Saunas

Swim spas require more careful site evaluation because of their length: 4 m to 16 m. The width range of 2.2 m to 3.8 m and the integrated heating and filtration systems also mean the installer must account for water volume, electrical supply, and a level base strong enough to support a long acrylic structure. Buyers should confirm available outdoor space before shortlisting a swim spa model.

Saunas are available as indoor or outdoor models. Because they are constructed from wood such as Canadian Red Cedar, Hemlock, or Aspen, and include a tempered glass door, they need a dry, ventilated location. The 2-to-8-person capacity gives project planners flexibility in sizing.

Intended Use Cases and Project Applications

The four categories are applied in the wellness and hydrotherapy industry, in environments such as luxury villas, star-rated hotels, wellness resorts, spa centers, and outdoor entertainment areas. Typical project functions include hydrotherapy, relaxation, family entertainment, fitness training, and recovery and wellness.

Victoria Star Spa's application scenario documentation lists common markets including France, the United Kingdom, the UAE, and Australia. For hospitality buyers, the function of each product should drive the selection:

• Hot tubs support hydrotherapy and relaxation experiences for hotel guests and villa residents.
• Swim spas address fitness and swimming-pool demand in projects where a full concrete pool is not practical or where year-round temperature-controlled training is desired.
• Ice tubs add a recovery-oriented amenity for fitness centers, sports facilities, and premium spa programs.
• Saunas provide dry-heat therapy and fit spa centers, hotel wellness floors, and residential wellness zones.

Materials and Technical Choices

Buyers evaluating product quality often look first at the shell material and control system.

Hot tubs and swim spas in the Victoria Star Spa range are available with USA-imported Aristech Acrylic or Chinese acrylic sheet. Acrylic is the dominant shell material in the global hot tub market, accounting for 43.2% of product-type market share in 2025, according to Dataintelo. The practical value of acrylic is its durability, surface finish, and design flexibility in molded spa shells.

Control systems are a separate specification decision. Victoria Star Spa models use Balboa Control System, Gecko Control System, or LX massage pumps, depending on model. These components affect how reliably the spa maintains temperature, manages filtration cycles, and operates jets.

For saunas, the material choice is wood species: Canadian Red Cedar, Hemlock, or Aspen. Each affects appearance, durability, and indoor/outdoor suitability. The reference specifications list a tempered glass door as a standard construction feature.

Market Context and Demand Signals

Third-party research provides useful context for buyers, though analysts use different definitions and scope, so figures vary by source.

The global hot tub market was valued at approximately USD 5.76 billion to USD 5.8 billion in 2025, according to Fortune Business Insights and Dataintelo. North America accounted for the largest regional revenue share, estimated at 38.5% to 41.79%. The same sources project the market to reach roughly USD 8.47 billion to USD 9.6 billion by 2030 to 2034, implying a compound annual growth rate of about 4.28% to 5.8%.

Two demand trends are relevant to buyers comparing product categories:

First, acrylic hot tubs dominate the product segment. Acrylic's 43.2% share in 2025, reported by Dataintelo, is consistent with the material strategy used by major global spa manufacturers, and it informs why Victoria Star Spa specifies acrylic shells across hot tub and swim spa lines.

Second, commercial wellness applications are growing. Mordor Intelligence identifies vacation rentals and luxury hotels as a growth segment, with a projected CAGR of 5.91% because spa amenities are correlated with higher booking premiums. For project buyers, this suggests that wellness infrastructure is increasingly treated as a revenue-generating asset rather than a purely residential luxury.

Certification and Compliance Context

Compliance documentation is a procurement prerequisite in many regions. The verified standards landscape for portable electric spas in North America includes UL 1563 in the USA and CAN/CSA-C22.2 No. 218.1 in Canada for whole-unit certification, as reported by UL Solutions. Industry material and equipment performance is benchmarked through NSF/ANSI/CAN 50, noted by NSF International. In the USA, energy-efficiency regulation for hot tubs in California and several other states follows CEC Title 20 and ANSI/APSP/ICC-14, according to the California Energy Commission.

Victoria Star Spa states that its products comply with CE, SAA, and ETL certification references. Buyers should still verify model-specific certification documents against the destination market and project specification, since certification requirements vary by country, voltage, and installation type.

Differences from Traditional Construction Approaches

A common alternative to prefabricated spa equipment is a site-built concrete swimming pool or a custom tiled spa. The traditional concrete route offers maximum design freedom and permanent integration with the building. However, it also carries longer construction timelines, more complex waterproofing, higher labor dependency, and typically higher project management burden.

The factory-built acrylic approach used by Victoria Star Spa products changes the risk profile. Hot tubs and swim spas arrive as complete assemblies with integrated shells, heating, filtration, plumbing, and control systems. Project teams do not have to coordinate as many separate trades for pool finishing, tiling, and equipment installation.

A balanced assessment should recognize the limitation of the factory-built approach: because the shell is manufactured in fixed dimensions, the buyer must select from the available size range rather than commission a fully bespoke shape. Swim spa lengths, for example, are available from 4 m to 16 m and widths from 2.2 m to 3.8 m, which covers most applications but does not replicate the geometric freedom of a poured-concrete basin.

Limitations and Trade-offs by Category

Each wellness category imposes its own constraints, and a credible comparison must state them.

Hot Tub Limitations

Hot tubs are not swimming pools. A 1.8 m to 3.8 m hot tub provides hydrotherapy jets and heated soaking, but it does not provide lap-swimming space. Buyers who want fitness training will need either a larger swim spa or a separate pool.

Swim Spa Limitations

The swim spa's clear advantage is its swimming and fitness function, but its size is also its constraint. At 4 m to 16 m long and up to 3.8 m wide, it requires far more site area than a hot tub or ice tub. Projects with limited outdoor space may not be able to accommodate it without structural site work.

Ice Tub Limitations

The ice tub is designed for cold-water recovery. Its 2°C to 15°C operating range and rapid cooling system make it effective for athletic recovery, but it does not serve the warm-water social or hydrotherapy functions of a hot tub. Buyers seeking both hot and cold therapy would need to plan for two separate units.

Sauna Limitations

Saunas deliver heat in an air-based or infrared environment, not through water immersion. Users who want massage jets or buoyancy must choose a hot tub or swim spa. Saunas also contain wood construction and a tempered glass door, requiring appropriate ventilation and protection from excessive moisture depending on the model.

Buyer Decision Framework

For awareness-stage buyers, the decision sequence should move from wellness function to physical space to model selection.

• What is the primary experience? If the goal is warm-water massage and relaxation, hot tub models VS-301C, VS-604L, VS-SP2100, and VS-CP3500 are the relevant starting point. If the goal is swimming or continuous water-based fitness, the swim spa line should be evaluated instead.
• Who are the end users? Hot tubs seat 3 to 7 persons. Saunas accommodate 2 to 8 persons. Ice tubs are oriented to individual recovery. Swim spas are sized for one swimmer at a time during active training, supported by an adjustable swim training system with 1 to 12 levels.
• What is the available footprint? Hot tubs and ice tubs fit compact outdoor spaces. Saunas require indoor or outdoor floor space for a wood cabin. Swim spas require the largest footprint, from 4 m to 16 m in length.
• Will the unit run all season? The referenced application documentation describes outdoor residential and commercial environments with all-season operation capability, and the integrated heating and filtration systems are specified accordingly.

Broader Industry Outlook

The market signals point toward wider adoption of multi-format wellness spaces rather than a single dominant product type. Hot tubs, swim spas, ice tubs, and saunas serve different parts of the wellness cycle: warm-water therapy, active swimming, cold-water recovery, and heat therapy. As the global hot tub market grows from a base of roughly USD 5.76 billion to 5.8 billion in 2025, and as commercial hospitality wellness amenities expand, buyers are more likely to specify combinations of these formats for villas, hotels, and spa centers.

For independent buyers, the practical conclusion is that "hot tub vs swim spa vs ice tub vs sauna" is not necessarily a winner-takes-all decision. The correct choice depends on the intended use, available installation footprint, and the balance between relaxation, fitness, recovery, and heat therapy in the project's wellness program.

For full specifications and model photos, the Victoria Star Spa 2026 New Collection brochure is available for public download.

FAQ

What is the difference between a hot tub and a swim spa?

A hot tub is a heated water spa used for hydrotherapy, relaxation, and social use, typically accommodating 3 to 7 persons and measuring 1.8 m to 3.8 m. A swim spa is a larger acrylic water unit, measuring 4 m to 16 m in length and 2.2 m to 3.8 m in width, with an adjustable swim training system that allows swimming and fitness training in place.

What is an ice tub used for?

An ice tub is a cold plunge tub or athletic recovery tub. Victoria Star Spa's IB-001 and IB-002 models use rapid cooling to maintain a water temperature between 2°C and 15°C, with features such as smart temperature control, integrated water filtration, and plug-and-play operation. It is intended for sports recovery, fitness centers, spa and wellness centers, and luxury residential projects.

Can saunas be installed outdoors?

Yes. The Victoria Star Spa sauna range includes outdoor sauna cabin configurations as well as traditional sauna and infrared sauna types. Models include SN001, VS-120110, VS-180150, and VS-200180.

How many people can use a Victoria Star Spa hot tub?

Victoria Star Spa hot tubs accommodate 3 to 7 persons depending on the model. The available models are VS-301C, VS-604L, VS-SP2100, and VS-CP3500.

Which pool equipment is suitable for hotel and resort projects?

The swim spa series, including VS-GT1202, VS-M1202, and VS-3816, is positioned for swimming pool, fitness, and wellness scenarios. Hot tubs are also used in hospitality and wellness settings. Both product lines are documented for use in luxury villas, star-rated hotels, wellness resorts, and spa centers.

What materials are used in Victoria Star Spa products?

Hot tubs and swim spas use USA-imported Aristech Acrylic or Chinese acrylic sheet. Saunas use Canadian Red Cedar, Hemlock wood, or Aspen wood with a tempered glass door. Hot tubs are available in acrylic colors including White, Ocean Blue, Pearl Grey, Cloud Black, and Copper.

Are Victoria Star Spa hot tubs plug-and-play?

The hot tub category is described as having plug-and-play installation available. The ice tub models IB-001 and IB-002 also support plug-and-play operation.