How Many Solar Panels Do I Need?

Trying to figure out how many solar panels you may need to effectively (and cost-effectively) heat your pool and spa is easy with our simple calculator. Simply enter your information below and find out how many solar panels it will take to keep your pool warmer for longer!

Solar Panel Quantity Calculator
Step 1:	Pool Size:	‘ x ‘	Measured in feet, (width x length).
Step 2:	Shading Factor:		Type of pool.
Step 3:	Roof Faces:		What direction does your roof face?
Step 4:	Panel Size:

Step 5:	Established Desired Swimming Season	See chart below.

Florida Residents – Using the chart to the right, find your location, then choose the corresponding factor number. If you are located between two numbers, use the average. When in doubt, use the larger

Outside of Florida – Using the map below, find your location, then choose the corresponding factor number. If you are located between two or more numbers, use the average. When in doubt, use the larger number. (To see the potential swimming season for your area, scroll to the bottom of the page).

Enter the swimming season factor number including the decimal point: