Solar water heater

• Number of Occupants
• System Type
• Number of Collector Panels
• Collector Size
• Storage Tank Size
• Roof Mounting
• Pipe Run Distance
• Optional Features
• Backup electric element
• Mixing/tempering valve
• Expansion tank
• Freeze protection (glycol loop)
• Digital temperature controller
• Roof penetration flashing
• Permit and inspection
• Backup Electric Heating
• Estimate Summary