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Most hot tubs start with a plastic shell and work backward. Ecopool starts with structure. Every Ecopool hot tub is built around a structural steel vessel—engineered the way you'd engineer a modern building. The result is a hot tub that feels different, looks different, and lives differently in your backyard.
The rim sits flush or near flush with your patio or deck for a pure, minimal look. The hot tub becomes part of the architecture, not an object sitting on top of it.
The hot tub stands proud on a slab or piers—ideal when you don't want excavation, when you're over rock, or when you're on a rooftop or terrace.
Designed into the pool, an integrated hot tub is built into your pool. Allowing a seemless transition from pool to hot tub.
Just clean lines, honest materials, and water that looks like it belongs in an architectural magazine. Strength you can feel, even with your eyes closed.
It carries tens of thousands of pounds of water and live load without flinching. It shrugs off freeze–thaw cycles and soil movement that make conventional shells crack and age.
It allows slim, precise walls, giving you more usable interior space in the same footprint. You don't see the steel. But you feel it in the way the hot tub doesn't flex, doesn't creak, and doesn't feel like a piece of molded plastic. It feels planted. Permanent. Like it was meant to be there.
Effective wall insulation value.
Rigid closed-cell foam core.
Commercial grade variable speed pump.
Think of your hot tub as a heat bank: you put energy in once, and the shell is built to hang onto it. A true thermal envelope doesn't just spray some foam in the shell and call it a day.
It wraps the entire vessel in two layers of steel with insulation sandwiched between, the way a commercial freezer or a YETI-style cooler is built. Ecopool takes that same logic and applies it to a hot tub.
Behind the scenes, the steel walls are built as an insulated structural panel: inner structural steel, two inches of rigid closed-cell foam, and an outer steel skin tied, all fitted to a structural steel perimeter frame. The whole assembly is bonded so the three layers act as one solid, structural panel instead of separate parts.
Because the insulation is locked between inner and outer steel skins, there are no big cold bridges or weak spots where heat bypasses the insulation. The wall behaves more like the door of a commercial freezer—thick, quiet, and highly resistant to temperature swings.
Because the vessel is self-supporting structural steel with a continuous insulated envelope, you're not depending on backfill to hold it together. The shell carries the load. You decide how it should appear.
The rim sits flush or near flush with your patio or deck for a pure, minimal look. The inground hot tub becomes part of the architecture, not an object sitting on top of it.
Perfect for seamless integration with your outdoor living space, infinity-edge designs, or when you want the hot tub to feel like it was always meant to be there.
The above-ground hot tub stands proud on a slab or piers—ideal when you don't want excavation, when you're over rock, or when you're on a rooftop or terrace.
Wrapped in architectural aluminum panels, the exposed hot tub becomes a sculptural statement piece that commands attention while delivering the same structural integrity as an inground installation.
Built directly into the pool, an integrated hot tub gives you a true spa experience without adding a separate structure or breaking up the layout.
It keeps the design clean and cohesive—one footprint, one finish, and an easy transition from soaking to swimming, all in the same space.
The structure is steel. The surface you live with is something else entirely. Every Ecopool hot tub interior features a German-engineered reinforced polymer membrane with factory-welded seams for a continuous, watertight interior. An inert material that is ideal for water chemistry. A surface that stays pleasant against the skin across seasons. Easy to wipe, easy to clean, designed for real-world water chemistry.
From bright white to soft greys, deep charcoals, and refined textures, you decide the mood:
Every Ecopool model is built around:
You don't have to explain the layout to guests. They see it and know exactly what to do.
When any part of the hot tub is exposed—above-ground or semi-inground—the exterior is wrapped in architectural aluminum panels.
The effect is simple: instead of "a hot tub cabinet," it looks like a considered piece of architecture.
The goal isn't just hot water. It's clean, clear, low-stress water you want to be in every day.
Ecopool hot tubs can be optioned with:
You get:
Water that feels like it belongs inside your home, not outside a gym.
Both series share the same structural DNA. The difference is in the exterior presentation and level of finish detail.
Pure structural clarity. Structural steel shell and frame, insulated sandwich construction, German membrane interior. The foundation of every Ecopool hot tub.
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Everything in the S-Series, elevated outside. Architectural aluminum exterior packages, refined paneling and finish options. Same structure. Same comfort. Even more presence.
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Extend the system to 10–12+ people and lengths up to 20 feet for ranches, retreats, rooftops, and boutique hospitality. Same insulated structural steel + membrane + aluminum exterior architecture, scaled to the project.
Structural steel shell + frame; insulated sandwich-wall construction; German-engineered reinforced polymer membrane interior
| Category | Specifications |
|---|---|
| Wall & Insulation |
Insulated sandwich-wall construction: steel + insulation + steel
2" rigid closed-cell foam core (effective wall R-value ~R-8 to R-10)
Structural steel frame
|
| Equipment |
3 HP commercial grade variable speed pump
Large high flow pleated cartridge filter
|
| Layout |
Bench seating available on all sides
30" wide entry stair (top step functions as cool-down perch)
|
| Installation |
Inground, above-ground, or semi-inground capable
Aluminum exterior available on any exposed sides
10 exterior finish options
|
| Water Care |
UV sanitization option
Optional drip-style liquid chlorine at drinking-water-level
|
| Series |
S-Series: Standard steel panels
A-Series: Architectural exterior package with enhanced panel detailing and finish options
|
| Model | Specifications |
|---|---|
| S4 / A4 4-Person |
Dimensions: 7' x 7' x 38"
Water Depth: ~30–32"
Volume: ~275–325 gallons
Jets: 8 baseline (2 per person), upgrade packages available
|
| S5 / A5 5-Person |
Dimensions: 7.5' x 7.5' x 38"
Water Depth: ~30–32"
Volume: ~325–375 gallons
Jets: 10 baseline (2 per person), upgrade packages available
|
| S6 / A6 6-Person |
Dimensions: 8' x 8' x 40"
Water Depth: ~31–33"
Volume: ~425–500 gallons
Jets: 12 baseline (2 per person), upgrade packages available
|
| S8 / A8 8-Person |
Dimensions: 16' x 8' x 42"
Water Depth: ~33–35"
Volume: ~650–750 gallons
Jets: 16 baseline (2 per person), upgrade packages available
Note: Up to 10 in "party mode"
|
| S10+ / A10+ Custom |
Capacity: 10–12+ person configurations
Length: Extended lengths up to ~18–20 ft
Features: Custom seating geometries, depths, and water-feature integration
Same insulated structural steel + membrane + aluminum exterior architecture, scaled to the project
|
