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RTB Insulation

Our spas are 12% more energy efficient than foam filled spas.

Our spas are among the most energy efficient in the world, using as little as 138 kWh per month or costing as low as $9.90 per month to operate. Providing an R-20 value, our Weather Pro RTB insulation harnesses all thermal gain from the pumps and heater inside the spa cabinet, while reflecting the colder air away from the spa cabinet - thus heating the spa shell and water. Our insulation also contains natural borates which are undesirable to insects and rodents.


Certified to the California Energy Commission.
Energy efficiency has never been so important and that's why every component is designed and engineered to come together to create the most energy efficient spa system. Clearwater Spas is among the few manufacturers to be certified to the California Energy Commission's stringent Title 20/Section 1606 energy standards for portable spas.


Our spas are insulated like a well-insulated house
Perhaps you've heard horror stories about the cost of heating a spa. Relax. This is where Clearwater's smart insulation design makes all the difference.

Like a well-insulated house (see illustration 1), the equipment that runs your Clearwater Spa is blanketed with a thick layer of insulation that protects the spa machinery - and your investment. And see how the heat given off in running your spa is reused to heat the water? This energy-efficient system makes it possible to heat your spa for much less than you'd think.

Many spa manufacturers tend to use inferior spray insulation (see illustration 2) and even place precious spa machinery too far away - even outside your spa cabinet. Such systems, in effect, release valuable energy to the outdoors and needlessly inflate your energy costs.

 
 
 
Clearwater Spas are 12% more energy efficient than foam-filled spas!
Prevents the 'heat sink' effect that can draw heat away from the spa!
Our insulated Durafloor provides the best spa foundation in the industry! Save energy, save money, save the environment and protect your investment.

Clearwater Spas RTB insulation contains natural borates which are undesireable to insects and rodents.

 
 
 
 
Hardcovers provide an R-18 value and bubble covers help to seal in heat and protect your spa when not in use.

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