Sun Home Cold Plunge Pro Review: $13,799 With Code for a Stainless Ice Bath
150 gallons, a 316 stainless steel basin, ozone plus UV, automatic ice-making, and a standard wall plug. The Pro Series model most buyers should choose — and what 28°F really means.
Quick Verdict
The Pro Series plunge to buy. You get every upgrade that matters over the inflatables — a 316 stainless basin, injected insulation, UV plus ozone, and genuine permanence — on a standard outlet, without paying extra for gallons you may not need.
Pros
- 316-grade stainless steel basin with injected insulation.
- Ozone injection, UV disinfection and dual-pump filtration.
- Automatic ice-making with a 28°F setpoint.
- Runs on a standard 120V, 15-amp GFCI outlet with no hardwiring.
- Touchscreen, Wi-Fi app, colour interior lighting, headrest, stair mats and insulated lid included.
Cons
- $13,799 with code is more than three times the Horizontal.
- About 1,650 lb when full — floor and deck load matter.
- Can't run in sub-freezing outdoor temperatures.
- First cool-down takes 6 to 8 hours.
The Cold Plunge Pro is where Sun Home stops making plunges you might outgrow and starts making ones you keep.
Quick answer
A hard-shell plunge with a 316-grade stainless steel basin, injected insulation, ozone plus UV sanitation, dual-pump filtration, automatic ice-making with a 28°F setpoint, and a touchscreen with Wi-Fi app — all on a standard 120V wall plug.
$13,999 from Sun Home. $13,799 with WELLWORTHIT.
Save $200 on the Cold Plunge Pro →
Your price
| Sun Home list price | $14,599 |
| Sun Home price | $13,999 |
| With WELLWORTHIT | $13,799 |
| Below list | $800 |
Why stainless changes the ownership
The move from inflatable to the Pro is not about getting colder. It’s about three things you feel over years rather than sessions.
The basin. 316-grade stainless is the marine grade — the same family used where saltwater and corrosion are constant problems. It doesn’t puncture, doesn’t sag, and cleans properly.
UV sanitation. The inflatables use ozone and filters. The Pro adds UV disinfection and dual-pump filtration. In practice that means cleaner water for longer and less anxiety about what’s growing in a tub you’re climbing into daily.
Injected insulation. Holds temperature better between sessions, which matters for running costs and for how quickly the water recovers after you’ve been in.
The specs
- Capacity: 150 gallons
- Size: 78.7” L × 33.5” W × 34.2” H
- Weight: 400 lb empty, roughly 1,650 lb full
- Cold: 28°F setpoint with automatic ice-making
- Sanitation: ozone injection, UV disinfection, dual-pump filtration
- Controls: touchscreen, Wi-Fi app, colour interior lighting with remote
- Included: insulated lid, headrest, stair mats
- Power: dedicated 120V/15A GFCI, NEMA 5-15 standard plug, no hardwiring
- Setting: indoor or outdoor — but it can’t run in sub-freezing outdoor temperatures
- Shipping: free in the US
About “28°F”
Fresh water freezes at 32°F, so no plunge holds liquid water at 28°F. The setpoint runs the chiller cold enough to make ice in the tub, then cycles through cooling, ice generation and defrost on its own, while the water sits at about freezing.
That’s a real capability, and it’s why Sun Home can honestly call this an ice bath. It’s also well beyond what almost anyone uses — plunging in the 40s and 50s °F is far more common. Buy the Pro for the stainless and the sanitation, not for the number.
Setting it up
Floor load first. Roughly 1,650 lb filled. On a garage slab or ground-level patio that’s nothing; on a deck or upper floor, confirm it can carry it.
Airflow. 12 inches clear at the sides, 36 at the front.
Level, sound surface, drainage nearby. You’ll still change water periodically.
Fill by hose. No plumbing.
Allow 6–8 hours for the first cool-down. Faster with the insulated lid on.
Filters: at least monthly, every two weeks if you plunge daily.
Who should buy it
Anyone who already plunges regularly and wants a permanent, low-fuss, properly sanitised plunge — particularly outdoors, and particularly if you’ve been living with an inflatable and are tired of it.
Who should skip it
Skip it if you haven’t established the habit yet. The Horizontal costs $3,848 with the filter-pack trick and will tell you whether you’ll actually plunge daily before you spend fourteen thousand dollars finding out.
Skip it if you want deeper water in a smaller footprint (the Pro Apex) or a built-in bench (the Pro Titan).
On the benefits, conservatively
Cold water immersion is associated with reduced perceived muscle soreness after hard exercise and a short-term lift in alertness and mood. Research suggests regular cold immersion straight after strength training may blunt muscle-building adaptations, so separate the plunge from lifting if muscle gain matters to you.
The cold shock is a genuine cardiovascular stress. Never plunge alone, keep early sessions short, and avoid it after alcohol. If you have a heart condition, high blood pressure, Raynaud’s, are pregnant, or take medication affecting circulation, speak to a doctor before starting.
Final verdict
Strong Buy for the committed plunger. The Pro gives you every upgrade that genuinely matters — stainless, UV, insulation, permanence — on a standard outlet, and it’s the Pro Series model where the price makes the most sense.
$13,799 with WELLWORTHIT. See how it compares with the rest in our Sun Home cold plunge comparison.
Who it's for
Regular plungers ready for a permanent, low-maintenance, well-sanitised plunge.
Who should skip it
You're still establishing the habit — start with the Horizontal — or you need a bench or deeper water.
In this review
- Sun Home Cold Plunge ProResearch-based review using Sun Home's product page, checked 2026-09-11. Not a hands-on test.
$14,599$13,999$13,799with code WELLWORTHITYou save $200 with our code · $800 below listPrices change often; use the retailer link for the current price.
Sun Home Cold Plunge Pro
Strong Buy
The Pro Series plunge to buy. You get every upgrade that matters over the inflatables — a 316 stainless basin, injected insulation, UV plus ozone, and genuine permanence — on a standard outlet, without paying extra for gallons you may not need.
Frequently asked questions
How much is the Sun Home Cold Plunge Pro with the code?
Can the Sun Home Cold Plunge Pro really reach 28°F?
What electrical does the Cold Plunge Pro need?
How big and heavy is the Cold Plunge Pro?
Pro, Pro Apex or Pro Titan?
Affiliate disclosure
Some links on this page may be affiliate links — we may earn a commission if you buy through them, at no extra cost to you. We only recommend products we think are worth considering. Verdicts are not influenced by commissions.
Health disclaimer
This content is for informational purposes only and is not medical advice. Talk to a qualified professional before starting new supplements, treatments, or major health changes.