Solar Insolation Map

Solar Insolation Map

Your Extended Swimming Season

Use the map above to determine your zone and find the length of the extended swimming season you may expect if your pool is heated.
 

Zone

No Heater

Solar Heater

1

6 - 7 months

12 mos.

2

4 - 5.5 months

10-11 mos.

3

4.5 months

9 mos.

4

3 - 4 months

8 mos.

5

3 months

6 mos.

6

2 months

4 mos.

7

1 - 1.5 months

3 mos.

Inground Solar Pool Heaters | Above-Ground Solar Pool Heaters