The economical and practical way to reduce your energy bill is by using solar thermal energy to heat or pre heat the air in you home or office.

It's also a way to reduce green house gasses and air pollution. Heating cost represent more then half of our energy consumption, more then water heating and electrical appliances combined.

Our expansion panel can be easily attached to the SunAir panel to increase its heating capacity. It has the same characteristics as the SunAir except that it does not include nor require a ventilator and thermostat.