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Windows and Passive Ventilation: What You Need to Know

With more and more people becoming interested in reducing their carbon footprint and being kinder to the environment, passive ventilation has become sort of a hot topic for homeowners and home remodeling contractors alike. But what is passive ventilation exactly, and how does it work? Here, we share all the basics that you need to know.

What Is Passive Ventilation and How Does It Work?

Simply put, passive ventilation is the promotion of air movement within your space using naturally occurring thermal convection currents. It uses windows, vents, louvres and other openings to circulate fresh air in your home while letting stale air out – all without the help of any mechanical or electronic device.

If cooling is required, a contractor may install windows or other openings on the upper levels of your home so you can open it during the hot summer months to let hot air escape. In winter, a properly designed passive ventilation system can promote good air circulation without creating drafts or letting too much heated air escape.

Passive ventilation works best in open layouts or if the air has clear, uninterrupted pathways to flow. It may seem complicated and technical, but really all you need is some well-placed windows throughout your home to take advantage of microclimate breezes.

If you are looking to reduce your energy costs without sacrificing comfort, then speak to your contractor about passive ventilation, and maybe all you’ll need is to pop open a few windows and doors to keep your space at an ideal temperature.

If you are interested in remodeling your home to aid in passive ventilation, then be sure to give Renewal by Andersen® of St. Louis a call at (314) 332-2364, or fill out our contact form for a free in-home estimate in the St. Louis, MO, area.

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"Love the windows and patio door. We want to finish the whole house when we can financially. We give Anderson and employees, especially the sales rep Mike that came to our house, the highest rating. Mike was knowledgeable and courteous. Also not high pressure."

Gail Wilson | O FALLON, MO
January, 1

"Our installation team was top notch. While they said they were sending a "team"to install 21 windows it was only two people. But I see why, the process was seamless and everything was done correctly and consistently with the leadership of Clayton. We had a tiny problem with one window within a week of installation and their response time was prompt to remedy the situation. Our windows are beautiful. Our home is warm and cozy."

Eileen McKeon | St. Charles,
January, 1

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