Building Principles 

Thermal Boundary 

That means deciding what is inside and what is outside the conditioned space.  Your conditioned space is everything inside the insulated walls

Thermal Bridge

A thermal bridge is an area which has a higher heat or cold transfer than the surrounding materials resulting in an overall reduction efficiency control of the building.

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Building Orientation

Orient the building to take greatest advantage of seasonal sun angles for both passive heating and cooling and for maximum solar energy production.

U-Factor

U-Factor measures the rate of heat transfer and tells you how well the window insulates. U-factor values generally range from 0.25 to 1.25 and are measured in Btu/h·ft²·°F. The lower the U-factor, the better the window insulates.

R-Values 

Generally applied towards walls, ceiling, and floors and U-values for windows and doors. In cold climates, typical R-values are R-30 to R-40 for walls, R-60 for ceilings and R-48 for floors. In warm climates typical R-values are R-19 for walls, R-38 for ceilings, and R-19 for floors.

BETTER HOMES

ERV: energy recovery ventilation delivers the purest new air circulating in your home, while lower your heating and cooling costs

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Better insulation: 12 & 16 inch thick walls better R-values and environmentally friendly insulation

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Airtight homes: Zero draft homes gives you control over the interior environment

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Structurally sound: double stud walls = better thermal value on top of load distribution

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Window Performance: 3X-glazed windows increase climate control in your home (thermal losses and gains, solar radiation, thermal management)

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Acoustic sealing and 15 mil vapor barriers eliminate radon penetration