Hot2o System Sizing Recommendations:
| Collector Size | Tank size | Tank Type | Hot water for |
|---|---|---|---|
| 48 sq. ft | 50 gallon (existing) | Electric | 2-3 people |
| 48 sq. ft | 50 gallon (existing) + 80 gallon solar |
Electric or Gas | 2-4 people |
| 72-96 sq. ft | 50 gallon (existing) + 80 gallon solar |
Electric or Gas | 4-6 people |
Note, all gas hot water heaters require a separate solar storge tank.