Mechanical systems/ Energy control/ Geothermal energy
Canadian wells use the thermal inertia of the ground to cool intake air in summer and heat it in winter. It is combined with a controlled double flow mechanical ventilation system (with heat recovery). The system is composed of a steel exterior air intake, with a grill and filter included, buried 200 mm diameter polyethylene duct, a hermetically sealed inspection chamber and accessories. If the house has a basement, the inspection chamber is located there. It has a diameter of 315 mm and includes a siphon. If there is no basement, the inspection chamber is located in an exterior well, with a round section of 400 mm and 2.4 m deep; the water resulting from condensation is accumulated here, preventing it from entering the house. The system is completed with an automatic control system consisting of two thermostats, waterproof sleeves to seal the tube penetrations in the walls of the house, and a motorized unit that selects the source of the intake air: when the temperature is 25 ºC, all intake air passes through the Canadian well; between 5º and 25 ºC, the intake air comes through a wall damper, although a minimum flow is always maintained through the buried system to prevent the stagnation of the air in the tubes.
A Canadian well in a house without a basement:
A- Air intake.
B- Buried air ducts.
C- Inspection chamber.
D- Automatic control.
E- Wall intake damper.
The air intake connects to the buried duct (left), and the inspection chamber that is buried outside of the house.
All images are property of the company offering the product unless otherwise indicated.
Products may vary depending on the area of distribution.