CUSTOM HOT TUBS
Three Ways to Install Your Hot Tub
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.
Inground Hot Tubs
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.
Above-Ground Hot Tubs
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.
Integrated Hot Tubs
Designed into the pool, an integrated hot tub is built into your pool, allowing a seamless transition from pool to hot tub.
A new category of hot tub.
No bulging acrylic. No busy plastic cabinets.
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.
STRENGTH YOU CAN FEEL
Structural Steel is Doing the Invisible Work
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.
Engineered to Last.
R-8 to R-10
Effective wall insulation value.
2"
Rigid closed-cell foam core.
3 HP
Commercial grade variable speed pump.
INSULATED THERMAL TANK
A Hot Tub That Holds Onto Heat
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.
SANDWICH PANEL CONSTRUCTION
Structure and Insulation in One
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 — all tied 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.
Comfort. Cost. Conscience.
Heat that stays where you put it.
Comfort, because the water stays stable. No big temperature drops between uses or lukewarm soaks on cold mornings. Cost, because the heater runs less often and for shorter bursts. Conscience, because you're wasting far fewer BTUs to the air and soil.
SAME HOT TUB, DIFFERENT STATEMENT
Install Your Hot Tub Your Way
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.
DESIGNED TO LAST
Part of the Architecture
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.
ABOVE-GROUND HOT TUBS
Stand Proud
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.
INTEGRATED HOT TUBS
Best of Both Worlds
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.
Inside: 3D German-Engineered Comfort
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.
CHOOSE YOUR COLOR AND STYLE
Hot Tub Interior That Sets the Mood
From bright white to soft greys, deep charcoals, and refined textures, you decide the mood:
- Greys for a calm, Nordic look
- Deep graphite and charcoal for a dramatic, "dark soak" aesthetic
- Textured for the natural beauty of stone or tiled for the urban look
SEATING THAT INVITES CONVERSATION
No Gimmicks. Just Beautiful, Functional Benches.
Every Ecopool model is built around:
- Bench seating on all sides – so every seat is a social seat
- 30" wide internal in-water entry steps – generous, intuitive, and usable as a cool-down perch
- Thoughtful ergonomics – upright, relaxed posture that works for real conversations, not just a quick soak
You don't have to explain the layout to guests. They see it and know exactly what to do.
ARCHITECTURAL PANELS
The Same Design Language as High-End Buildings
When any part of the hot tub is exposed—above-ground or semi-inground—the exterior is wrapped in architectural aluminum panels.
- Crisp planes. Tight joints. Hidden fasteners.
- Panels that stay flat, sharp, and clean through the seasons
- A palette of 10 curated finishes, including metallic silver, champagne, bronze, graphite, matte black, pure white, warm grey, cool grey, charcoal, and soft off-white
The effect is simple: instead of "a hot tub cabinet," it looks like a considered piece of architecture.
WATER THAT BEHAVES LIKE DRINKING WATER
Clean, Clear, Low-Stress Water
The goal isn't just hot water. It's clean, clear, low-stress water you want to be in every day.
OPTIONAL EQUIPMENT
Engineering, Not Guesswork
Ecopool hot tubs can be optioned with:
- UV sanitization – a powerful, inline UV system that helps neutralize what you don't want in the water
- Slow drip-style liquid chlorine system – a controlled, low-dose feed designed to maintain chlorine at "drinking-water-level" concentrations
- LED lighting for ambiance and nighttime use
- Heaters – 100–400K BTU propane or natural gas, electric element heaters, and heat pumps
THE RESULT
Water That Belongs Inside Your Home
You get:
- Water that smells neutral—not like a hotel pool
- A simple, predictable routine instead of a chemistry project
- The confidence that comes from engineering, not guesswork
Water that feels like it belongs inside your home, not outside a gym.
Two Families.
One Philosophy.
Whether you choose the S-Series or A-Series hot tub, you get the same structural steel shell and frame, insulated sandwich construction, and German membrane interior. The S-Series can be installed inground, above-ground, or semi-inground. The A-Series is designed for above-ground or semi-inground installations, elevated with architectural aluminum exterior panels and refined finish options.
Ecopool S-Series & A-Series
Choose Your Level of Finish
Both series share the same structural DNA. The difference is in the exterior presentation and level of finish detail.
Ecopool S-Series
S4 • S6 • S8
Pure structural clarity. Structural steel shell and frame, insulated sandwich construction, German membrane interior. Install inground, above-ground, or semi-inground.
Shop S-Series
Ecopool A-Series
A4 • A6 • A8
Everything in the S-Series, elevated outside. Architectural aluminum exterior panels, refined finish options. Designed for above-ground or semi-inground installations.
Shop A-Series
S10+ / A10+ Custom Spas
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.
SHOP HOT TUBS
Browse All Models
Every Ecopool hot tub is custom-built with structural steel, insulated sandwich walls, and a German-engineered membrane interior. Choose your model below.
HOT TUB SPECIFICATIONS
Compare Models
| 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 |
| 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 |
