Cansolair Inc. has developed a forced convection solar heating unit called the Model RA 240 SOLAR MAX. A dwelling of 1000 square feet can have a complete air change in 1.5 hours. Working experience indicates that comfortable room temperature can be maintained in a 1000 square foot dwelling with 15 minutes of sunlight per hour.
CSA Approved Maintenance Free Thermostatically Controlled Forced Convection Filtered Air Environmentally Friendly Heat Energy. 240 aluminum cans comprise the core of each Model RA 240 SOLAR MAX.
Ninety cubic feet per minute of colder and relatively heavier air is drawn by a quiet and powerfull fan through a filter from near the floor.