7. Canadian well
The term "puits canadien" (which doesn't come from Canada), or "puits provençal", refers to a technical solution for preheating or cooling the air introduced into the home by a ventilation system, using the temperature of the ground around the house. It's a surface geothermal system.
Because of its inertia, the temperature of the ground varies very slowly. The aim is to bring outdoor air into a home at a temperature close to 10 to 20°C, depending on the season.
An alternative to the previous solution is brine wells, which replace air-source geothermal collectors. The principle is similar: the water circuit circulating in the ground captures calories from the ground and releases them to the supply air via an exchange coil (figures
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Canadian well
Conclusion
Standards and norms
- Ergonomics of thermal environments – Analytical determination and interpretation of thermal comfort by calculating PMV and PPD indices and local thermal comfort criteria - NF EN ISO 7730 - 03-06
- Air conditioners, liquid chillers and heat pumps with electrically driven compressors for space heating and cooling – Testing and determining part-load characteristics and calculating seasonal performance [cancelled July...
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