
INTUS unites extreme energy efficiency with affordability and versatility. We create high performing windows and doors that conserve energy, increase thermal performance, and reduce noise.
INTUS means ‘within’ or ‘inside’ in Latin.
Since 2010, INTUS Windows has been a pioneer in manufacturing and distributing extremely energy efficient windows and doors in the United States. Our windows have been essential components in the U.S.’ first Passive House Certified church, the first LEED-Platinum mixed-use residential/retail building, Maine’s first Passive House school, NY’s largest Passive House co-housing project, and dozens of LEED, Passive House, and Energy Star Certified building projects.
From our products to our team, we are innovative and diverse. The INTUS team is made up of over 14 nationalities with the majority being bilingual. Our team includes engineers, drafters, project coordinators, estimators, technicians, business developers, and supporting staff in consulting, accounting, marketing, graphic design, administration, and more, to ensure that our clients receive the service they need and deserve. Our main office is right outside Washington, D.C. in Fairfax, V.A., and we service the entire United States, with offices in New York City, Boston, Philadelphia, and Baltimore.
By 2036 we aim to offset carbon emissions enough to recover the absorption rate of 5 billion trees through our energy efficient products! View our selection of double and triple pane, steel reinforced polymer windows, and help us reduce the carbon footprint through energy conservation!
INTUS Windows utilizes polymer window and door frames that are reinforced with steel u-channels for increased strength and stability. This means our products can be used for any commercial, residential, or industrial building, and are both AW and CW rated.
The use of unplasticized-polyvinyl chloride or U-PVC (which has no plasticizers added) results in a stronger, longer lasting, and much more UV resistant window. Our polymer frames are resistant to rot, and our wide variety of durable laminate finishes means our products are virtually maintenance free.
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