10 Worst Hot Tub Brands to Avoid in 2025 (and 5 Most Reliable Alternatives)

4. Caldera Spas

Caldera Spas may have a strong reputation on the surface, but many users report that ownership comes with a steep price—and we're not just talking money. These hot tubs often require frequent upkeep and repairs, which is made worse by a lack of reliable customer service.

The most common complaints include:

• High maintenance needs
• Slow or unhelpful customer support

Rating: 3.5/5