Compare the energy savings of different covers

With a few known quantities, you can determine the efficiency of your spa cover compared to an Arctic Spa Cover™. Following the directions below (only slightly easier that doing your federal taxes), can yield some interesting, and cost saving results.

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The formula for this calculation look like the following;

1. The temperature of your spa water: W=

2. The average temperature of your outside air: A=

3. The surface area of your spa (in square inches): S=

4. The R-value of your current cover: R=

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Enter your above figures into the equation below. IMPORTANT, replace the letters below with the appropriate numbers above. DO NOT CHANGE ANY OTHER FORMATTING CHARACTERS!

BTU heat loss over 6 days: