System type: Antifreeze (pressurized propylene glycol) solar thermal
Location: Mesita, Colorado
Solar resource: 6.0 average daily peak sun-hours
Production: 6.6 MBtu per month (average)
Percentage of canola oil heating provided: 100%
Collectors: Nine Sun Earth EC-32 collectors, 4 x 8 ft.
Collector installation: South-facing, roof mounted, 45° tilt
Heat transfer fluid: Propylene glycol
Pump station: Viessmann, Solar Divicon DN25
Controller: Caleffi, iSolar 3
Tank: Custom steel tank, 400 gal.
Heat exchanger: 200 ft. of 1 in. copper coil, inside tank
System performance metering
Thermometer, flow meter & pressure gauges are incorporated into pump station