Inergize Health Spire Apex vs Renu Therapy Cold Stoic 2.0
Specs, prices, editor verdict, and who should buy which - compared side-by-side.
Inergize Health Spire Apex (premium, $9,490) vs Renu Therapy Cold Stoic 2.0 (ultra premium, $9,499–$10,019) - different tools for different jobs (see the per-product details below).
Compared on 8 shared specs · same category (cold plunge).
These are close picks. Both score in the same range. The right call depends on buyer profile - read the per-buyer recommendations below.
Side-by-side specs
| Spec | Inergize Health Spire Apex | Renu Therapy Cold Stoic 2.0 |
|---|---|---|
| price | $9,490 | $9,499–$10,019 |
| cooling | chiller (1HP, manufacturer-stated 32°F floor) | chiller |
| min temp f | 32 | 39 |
| capacity | 1-person (reclined seat) | 1-person |
| dimensions | 39.5″ × 28.7″ × 43.76″ (exterior) | 78″ × 36″ × 30″ |
| water gallons | ~90 (per product page) | 110 |
| power | 120V / 60Hz / 20A grounded circuit, 1,150W | 110V / 15A |
| construction | 316 marine-grade stainless steel + thermotreated red cedar | acrylic tank (optional cedar deck/lid trim) |
| tub warranty months | 12 | 60 |
Inergize Health Spire Apex also publishes: heating, maxTempF, interiorDimensions, seatHeight, weightEmptyLb, weightFullLb, coolingRate, coolingCapacity, ozoneMgPerHour, flowRateGph, noiseDB, weatherRating, leadTimeWeeks
Renu Therapy Cold Stoic 2.0 also publishes: weightLb, chillerWarrantyMonths
Who should buy which
Buyers who want the coldest manufacturer-rated floor available in a cedar-and-stainless tub at this price, and who can wait out a 16-week preorder.
You need delivery soon, you buy on warranty depth (Renu's 60-month tub coverage vs 12 here), or you can't run a dedicated 120V/20A circuit.
Premium-aesthetics buyers who want the longest warranty in the category and a tub that reads as architecture.
You're budget-constrained, want apartment-friendly install, or don't care about premium materials.
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Frequently asked
Which is better, the Inergize Health Spire Apex or the Renu Therapy Cold Stoic 2.0?
They are closely matched on our scoring, so the right pick comes down to your priorities. The verdict and spec table above compare them on price, features, and who each one suits.
How much do they cost?
Inergize Health Spire Apex: $9,490. Renu Therapy Cold Stoic 2.0: $9,499 to $10,019. Prices are verified against the manufacturer; check the live links for current pricing.
Who should buy which one?
Inergize Health Spire Apex: Buyers who want the coldest manufacturer-rated floor available in a cedar-and-stainless tub at this price, and who can wait out a 16-week preorder. Renu Therapy Cold Stoic 2.0: Premium-aesthetics buyers who want the longest warranty in the category and a tub that reads as architecture.