Solar Water Heater Sizing Tool

1. Project Information

Project / Client Name Technician Name Survey Date Application Type District Sector Cell Village GPS Latitude GPS Longitude

2. Site & Design Conditions

Cold Water Temperature (°C) Required Hot Water Temperature (°C) Daily Solar Irradiation (kWh/m²/day) Collector Type Target Solar Fraction (%) Design Comfort Level Available Roof Area (m²) Shading Backup Electricity Available? Desired Backup Recovery Time (hours)

3. Residential Demand

Number of Occupants Hot Water Demand per Person (L/day) Kitchen Hot Water? Laundry Hot Water?

3. Hotel Demand

Number of Rooms Maximum Guests Expected Occupancy (%) Guest Demand (L/person/day) Staff Kitchen / Restaurant Load (L/day) Laundry Load (L/day)

3. Hospital / Clinic Demand

Number of Beds Bed Occupancy (%) Demand per Occupied Bed (L/day) Staff Kitchen Load (L/day) Laundry Load (L/day)

Sterilization and other high-temperature medical process loads should be engineered separately.

3. Apartment Demand

Number of Units Average Occupants per Unit Demand per Person (L/day) System Arrangement

3. School Demand

School Type Students Boarders Staff Demand per Boarder (L/day) Kitchen Load (L/day) Laundry Load (L/day)

3. Commercial Kitchen Demand

Meals Prepared per Day Hot Water per Meal (L/meal) Dishwasher / Cleaning Additional Load (L/day)

Live Preliminary Estimate

0L/day demand

0L storage

0kWh/day thermal load

0m² collector area