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Energy Efficient Swim Spas

Master Spas builds every Michael Phelps Signature Swim Spa to be energy efficient and environmentally friendly so that it can be used year-round, no matter the weather. The propulsion system is driven by an ultra-efficient motor, and environmentally friendly foam insulation makes the series the most energy efficient in the industry. Every swim spa is built to not only meet but to exceed the stringent California Energy Commission efficiency standards. All resulting in what really matters — a superior swim spa experience and savings for you and your monthly utility bill.

Advantages of Our Foam Insulation over Urethane Insulation

  • Our foam retains its insulating value for the life of the product unlike Urethane-based foam that can lose 50% of its insulating value within two years

  • It does not produce any harmful off-gas

  • It is mold and mildew resistant

  • It is the only insulating material certified by the Envirodesic Certification Program for healthier air quality
A Michael Phelps Signature Series Swim Spa stays warm despite the open winter air with a variety of insulation features.

Swim Spa Covers

Safety, protection and energy efficiency are built in to the exclusive Master Spas Covers. We make every cover to the strict ASTM-F1346 standard for lockable safety covers. Our swim spa covers are also certified through UL to verify safety standards. Constructed using top grade marine vinyl with UV protection and high density 5" – 3" tapered foam, these covers lock heat in and last a long time — and that saves you money.

Spa Covers

Quality construction and energy-efficient materials help keep energy costs low. The full-foam insulation and a snug-fitting cover work together to maintain water temperature.

Energy Calculator

By selecting your spa brand and model, you'll easily be able to see an estimate of how much a Master Spas hot tub will cost each month to maintain.

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Estimated Monthly Cost

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