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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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"This was one of the best experiences I've ever had with a company. I ordered the windows in November and was told they wouldn't be here until July. That kind of delay the new norm so I wasn't a bit upset with the timeline. I was given an early present when they called to say the windows would be in at the beginning of May. We agreed on the week of May 16th to do the installation, there were 30 windows and a sliding door to install. They arrived promptly on their scheduled install date, and got straight to work. By the end of day one, they had all the upstairs windows complete and their work was incredible. Day two came with more of the same, the crew showed up promptly, got straight to work, and when they left they had every window downstairs installed. The third day they again arrived on-time, and got to work installing the door. The door and windows are perfectly installed. The two lads that did the installation did a phenomenal job, and were friendly to boot. I would give them more business if I had any :) The service I received from the company was great. They kept me abreast of anything that was going on with my order. I appreciate my concierge, Christina, she was good at communicating timelines and getting everything scheduled."

Lane Maxwell
Jun 28, 2022

"The two installers were great! They were polite and hard working and they cleaned up all the outside and inside. It was like they were never here. As for the windows, I love them, not only looks great, they are efficient. Now every window in my home has Renewal by Anderson."

Mark Palsgrove
Jun 23, 2022

"We had the pleasure recently of having Andersen replace all of our windows. From the very first interaction with the office personnel through the completion of the project, they have been nothing but professional. From Brian our sales rep to Christina the appointment scheduler, they were a pleasure to interact with. Installers Keith, John, and Evan were fantastic to work with. They went above and beyond to repair an area which was slightly damaged during the removal of a window...caulked and painted it. They took extra precaution to ensure the floors were covered while working inside and cleaned up each day inside and out. We love the look of our new windows and can't wait to enjoy the savings in utilities they'll provide. Thanks so much Renewal by Andersen!!"

Kevin Corrigan
Jun 15, 2022

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