Things You'll Need:
- Various home improvement supplies
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Step 1
Seal your house's thermal envelope. When less heat escapes, less heat needs to be generated. For wall and roof framing, use structural insulated panels, which perform as both frame and insulation.
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Step 2
Insulate your foundation walls. Foundation walls should be at least as well-insulated as living space walls. An uninsolated foundation is not efficient.
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Step 3
Place your windows strategically. In colder climates, have more south-facing windows. If your house is in a warmer area, choose east, west and south window exposure.
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Step 4
Control your house's ventilation. If your house is to be energy efficient, it is important to minimize air moisture. This will reduce health risks and create a more comfortable atmosphere. It also reduces the chances of structural damage caused by moisture accumulation.







