Air Flow Ventilation In Relation The Insulation R Value The Tenets of Energy-Efficient Home Builders

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The Tenets of Energy-Efficient Home Builders

While energy-efficient home builders compete for the same business, those that thrive adhere strictly to the fundamentals of their trade. The basics are solid construction and controlled ventilation, as well as high-efficiency heating, cooling, appliances, doors and windows. The task is to combine these with wall and roof assembly, insulation, caulking and weather-stripping to create a dwelling within a “thermal envelope” of comfort and energy conservation.

First, wood is the most reliable material for building a green house, and today’s construction techniques use wood only where it is most effective. Because windows can rob more than 25 percent of a home’s heat, energy-efficient home builders in mostly warm climates install as few windows as possible in rooms facing north, east, and west. The total window area in each of these rooms should not exceed 9 percent of the floor area.

Proper insulation is essential, and green homes often have higher insulation R-values ​​than required by local codes. R-value is a measure of a material’s resistance to heat transfer; The higher the R-value, the lower the transfer. Carefully applied foam insulation, wet spray cellulose, and fiberglass are ideal for insulating wall cavities. The foundation walls and slabs of a house should be insulated like its living space.

A significant hazard to any home structure is water vapor condensation. One solution is a vapor retarder, a material that restricts the movement of water vapor. The second is the air retarder, which restricts the flow of air into and out of the thermal envelope of the house. Based on location and other factors, energy-efficient home builders will know the most efficient way forward. Heat recovery ventilators can also save up to 70 percent of your utility bill by replacing the fresh air that flows through the ventilator’s heat exchanger.

Residences built to energy-efficient standards usually require less than 50,000 BTU per hour heating systems. A BTU is the amount of electricity required to raise the temperature of one pound of water by 1° Fahrenheit—roughly equivalent to burning one match. With minimal support from a furnace, electric heat pump, or standard water heater, energy-efficient homeowners can create a residence that requires only sunlight as its primary source of heat.

Remember that any appliance that generates waste produces “waste heat” which increases the need for fans and air conditioners. If an air conditioner is required, a smaller unit may be sufficient.

As a result of these principles and the flow of innovation, energy-efficient residences are more popular than ever. Rigid construction and additional insulation keep interior walls at a consistent temperature, stabilize humidity, reduce annoying drafts of cold and heat, and quiet the entire building. Clearly, energy-efficient home builders can create structures with exceptional comfort, significantly lower operating costs, and enhanced market value.

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