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Welcome to UltimateAir!

UltimateAir is the most Energy Efficient Whole House Ventilation with up to 99% Energy Recovery & MERV 12 Air Filtration.


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We take great pride in our ventilation products developed & manufactured in Athens, Ohio since our beginning in 1989. The super efficient technology developed by UltimateAir is based on two decades of engineering effort to optimize super insulated construction techniques such as Passive House, LEED Platinum, Living Building Challenge, and Net-Zero Energy homes.

UltimateAir Ventilation systems have been included in many of North America‚Äôs most progressive and highly publicized sustainable building projects. 

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