When looking at these windows, and skylights, If you're replacing older one's skylights on your present home or purchasing ones to your new residencethen you can buy skylight products via Calidad because they providing you services and products at a reasonable price.
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There are four (4) features to consider when buying a fenestration product.
1. U-Factor – This measures how well the product prevents heat from penetrating your building envelope. The rate of heat loss normally drops between 0.20 and 1.25. The reduced your U-Value, the larger the product's resistance to heat flow, and the greater its insulating value. The U-Factor is very important during the winter heating season.
2. Solar Heat Gain Coefficient (SHGC) – The SHGC measures how well the heat brought on by sunlight is blocked. It's expressed as a number between 1 and 0. The lower the number, the less solar heat is sent in your house.
3. Air Leakage (AL) – Any atmosphere which Filters through cracks from the product's meeting leads to heat loss and profit. AL is measured in cubic feet of air passing through a single square foot of window area per second (cfm/ft2.).
4. Condensation Resistance (CR) – This measures the ability of the item to withstand the formation of moisture on its surface. The greater the CR score, the greater the item is in resisting the creation of condensation.
The CR evaluation is discretionary and producers can choose not to incorporate it into their labels. The CR doesn't predict condensation but instead measures the capacity for its creation.