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CALDERA® SPAS

Fantasy™ Spas

Plug-and-play hot tubs that fit any home. Fantasy™ spas come with a GFCI power cord that plugs into a standard 115V outlet, with no 230V hardwiring needed. All you need is a level pad and a place to relax.

Shop by Size

Five models, from the two-seat Aspire® to the five-seat Bloom®. Filter by size to find the hot tub that fits your space.

Find the Right Hot Tub

Most people only buy a hot tub once, so it’s normal not to know where to start. These six questions cover what actually matters. Answer them and you’ll know what to look for.

How many people will use it?

Choose based on a normal week. This one answer narrows the field more than any other.

What do you want it to help with?

Back pain, arthritis, stress relief, better sleep. Each one has a straight, sourced answer in Hydrotherapy 101.

Lounge seat, or open seating?

A lounge lets one person recline full-length. Open seating fits more people. Neither is better, and it’s the main reason to try a few spas before choosing.

Which features matter most?

Massage systems, water care, lighting, audio, smart controls. Don’t get hung up on jet count, though; where the jets sit and how they’re designed matters far more than how many there are.

How much upkeep do you want?

Salt systems make softer-feeling water with less day-to-day dosing. Fantasy keeps it even simpler with the FROG® cartridge system, a low-effort routine that’s a natural fit for a plug-and-play spa you fill, plug in and enjoy.

What’s your timeframe?

Ready for numbers? Get pricing on the models you’re weighing. Still researching? Take the full guide with you. Either answer is a good answer.

Can You Plug a Hot Tub Into a Regular Outlet?

Yes. Plug-and-play spas come with a GFCI power cord that plugs into a 115V outlet, with no 230V hardwiring needed: fill it, plug it in and enjoy. That’s the Freeflow® collection from Hot Spring and the Fantasy™ series from Caldera, and it’s the easiest way to get into a quality spa.

The trade-off is that the jets and heater share the circuit, so on a cold night with the jets wide open the water can cool a touch. Full-size spas run on a dedicated 230V circuit and hold full heat with everything running. In Tennessee you’ll soak year-round, so if long winter soaks with strong jets are the goal, a 230V model is worth the electrical work.

110V vs. 240V, Explained
A Caldera Fantasy spa on a wooden platform beside a house, with plants and a large rock

What our customers say

Five-star Google reviews from Tennessee customers.

“Kevin at Hot Tubs of TN made our Caldera hot tub purchase easy and enjoyable from start to finish.”

Buyer in Franklin Franklin Showroom ·

“No pressure at all, just honest advice.”

Brianna Adams Knoxville Showroom ·

“No pressure, just information so we could make the right choice for us.”

C J Crossville Showroom ·

Frequently Asked Questions

Quick answers to the hot tub questions we hear most. The Learning Center covers each one in depth.

How much does a hot tub cost?

Published price ranges run by tier, and our cost guide walks them with real numbers. We don’t price a specific model sight-unseen because your real cost depends on the model, the features you choose, and what your site needs. Get pricing and we’ll quote your exact setup.

Will it cost a fortune to heat in winter?

Cold climates cost more, but full-foam insulation, an insulated base pan, recycled heat, and a tight cover keep it efficient. The cover is the biggest daily factor.

Can I plug a hot tub into a regular outlet?

Yes. Freeflow® and Fantasy™ plug-and-play spas come with a GFCI power cord that plugs into a standard 115V outlet. Full-size spas run on a dedicated 230V circuit installed by a licensed electrician. Our 110V vs. 240V guide walks the trade-offs.

What size hot tub do I need?

2 to 3 seats fits couples and small spaces, 4 to 5 fits most families, and 6 to 8 is built for entertaining. Bigger uses more energy and chemicals, so choose based on a normal week.

Four friends talking in a Caldera Fantasy spa on a patio

Try Before You Buy

Heated and ready year-round

The best way to know if a hot tub fits you is to experience it in person. We keep them heated and ready year-round so you can try before you buy.

Book a Test Soak

Ready to get started?

Come see the heated spas in person at one of our six Tennessee showrooms, or book a free Test Soak and try one before you buy.