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