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   First in North America
   Residential Energy Use
   Energy System Elements
   Energy Delivery
   User Experience
   Project Benefits
   Project Participants
   Energy Center Building
   Energy Flow
   Energy Storage
   Home Features
   Water Conservation
   Solar Domestic Hot Water
   Airhandler, HRV
   PDF Download

Energy Delivery

High temperature, insulated underground pipe is used to transport the heat from the garage solar collectors and bring it to the Energy Centre. Plastic, flexible, insulated shallow buried underground pipe is used to distribute heat from the Energy Centre back to the homes. The heating water circulating through these distribution pipes will typically be 40 - 50°C. The distribution temperature will vary through the year based on the current day's outside air temperature and the flow regulated to match demands by the homeowners.

Because Drake Landing Solar Community is using a lower water temperature than most district heating systems, it was necessary to more carefully engineer the in home heating system. For instance, domestic hot requires a minimum of 60 degrees Celsius and space heating requirements are lower. The economics and engineering indicated we should install independent solar hot water systems in each home.

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