Energy-Efficient Windows in Fort Lauderdale, FL

The reduction depends on the existing window performance baseline, the home's size, orientation, and shading conditions, and the specific Low-E product installed. A reasonable expectation for Fort Lauderdale homes replacing clear single-pane or aged double-pane windows with Low-E impact glass is a 10–20% reduction in cooling energy consumption. On a typical Fort Lauderdale home spending $2,400 annually on electricity, this represents $240–$480 in annual savings. We provide site-specific estimates based on the home's actual window area, orientation, and current window type during the energy assessment.

U-factor measures how much heat passes through the window frame and glass assembly due to the temperature difference between inside and outside — it is primarily relevant in climates where heating is a significant energy use. In Fort Lauderdale's climate where heating is minimal, U-factor is less critical than SHGC. We focus on SHGC as the primary specification for Fort Lauderdale projects while selecting products with reasonably low U-factors that qualify for ENERGY STAR certification in our climate zone.

Modern Low-E coatings are essentially invisible from both inside and outside the home under normal daylight conditions. At certain angles and lighting conditions — particularly from outside the home looking in at a sharp angle — a slight blue or green tint may be detectable on the coated glass surface. This is characteristic of the metallic oxide coating and is consistent across all Low-E glass regardless of manufacturer. It is not a defect and is not typically noticeable in normal viewing conditions.

Not automatically — impact glass with a clear laminate and no Low-E coating provides hurricane protection but minimal energy performance improvement over standard clear glass. The energy performance of an impact window depends on whether Low-E coating was specified. Planet Construction FL automatically specifies Low-E glass on all window replacement projects for Fort Lauderdale properties — the incremental cost is minimal relative to the energy savings, and there is no reason to install standard clear impact glass when Low-E is available at comparable cost.