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Maximizing Your South-Facing Windows Through Passive Heating

Well-designed south-facing windows or French doors can help you properly utilize solar energy in your home. Certain modifications in your existing structure can also lower your heating costs in winter and keep your interior cooler in summer.

Learn more about maximizing your south-facing windows through passive solar design in this post.

Passive Solar Design

Also known as climatic design, passive solar design makes use of solar power without mechanical systems. It’s the most cost-effective strategy when it comes to financial and environmental costs. This strategy utilizes the sun, orientation, insulation, ventilation, windows, shade and trees to produce a desired interior temperature and comfort level.

Even after you’ve regained your initial costs for your windows and doors installation through energy savings, you’ll still continue to save money through passive heating and cooling. Larger windows, brighter interior, and open floor plans can make your home feel more spacious and help in improving your mood.

Passive solar design reduces mechanical noises and keeps your home comfortable even when the power is out. Because you’re using a clean and natural energy source, you’re reducing your contribution to climate change, acid rain, and ozone depletion.

Maximizing South-Facing Windows

If you live in a warm climate, then your largest windows should be located on the north side to minimize heat gain in summer but still provide plenty of natural light. For cold climates, large insulating windows should be on the southern part of the house. They will bring more heat to your home during winter and can be easily shaded with awnings, trees, bushes or window covering in the warmer months.

The U.S. Department of Energy recommends using double- or triple-pane windows for southern regions of the house. The glass should have a solar heat gain coefficient (SHGC) of at least 0.6, a U-factor of no more than 0.35, and a high visible light transmittance. By keeping your windows clean, you can make the most of the natural light and reduce the need for artificial lighting.

At Renewal by Andersen® of Kansas City, we offer some of the most energy-efficient windows and sliding doors in the industry. All our windows and doors are backed with a comprehensive warranty. Call us at (913) 385-1300 or fill out our online form to schedule a free in-home consultation. We serve homeowners in Olathe.

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