Add a cold plunge to a pool or spa project.

We build the tub and the equipment. You set it.

Tell us about your project

How does a cold plunge fit into a pool project?

A cold plunge is self-contained. We build the tub to the size and shape of the place it goes, in-ground, flush with a deck or freestanding, and we build the chiller, pumps and filtration that run it.

Where does the equipment go?

In a component box up to 25 feet from the tub. The plumbing can pass through a wall. The box needs 18 inches of clearance at its vents, and the tub frame has no clearance requirement.

What runs the water?

RiverMode, a current driven by magnetic-drive pumps. Filtration is 20-micron with automatic ozone, and the whole tub is filtered and ozonated ten times an hour. Chlorine drip or AOP sanitation is available.

The water holds 34°F to 70°F. It is cold only.

What is the tub made of?

The standard tub is 14-gauge 316 stainless steel in a marine-grade plywood frame built by hand. Carbon fiber, HempCarbon and gel-coated fiberglass tubs are available. The tub and the cabinet are insulated in spray foam.

The outside can be Line-X in black, white, grey, beige or any Sherwin-Williams color, or it can ship uncladded for your trades to finish on site in stone or tile.

What do you plumb?

The run between the tub and the component box. It is done on site in schedule 40 PVC, fully insulated to limit cold loss, and it is not included in what we ship. The plumbing inside the unit is 1.5-inch PVC. We have built tubs with pop-up drains and hard plumbing.

How do we work together?

Send the pool plan, a sketch or photos of the site. We go over the site, size, materials and use on a call. Our engineer draws the tub and you get the design and a quote. We weld, finish and test it in our shop, and it ships fully assembled.

Square cold plunge with a hardwood rim in a raised concrete surround outdoors
A tub set into a concrete surround.

Common questions

Can a cold plunge be built next to a pool or spa?

Yes. We build in-ground, flush-mount, deck-level and freestanding tubs.

Does it share equipment with the pool?

No. A cold plunge has its own chiller, pumps and filtration.

How far can the equipment be from the tub?

Up to 25 feet.

What sanitation does it use?

20-micron filtration and automatic ozone. Chlorine drip or AOP is available.

Send us your plans, a sketch or photos.

Tell us about your project