Homes designed and built in recent years are more airtight and energy efficient than in the past. The benefit of an airtight home is fewer drafts, which lowers the cost to heat and cool the home. However, pollutants retained in airtight buildings can be hazardous to occupants and jeopardize structual integrity. that's why Panasonic emphasizes a "build tight...ventilate right" platform.

Panasonic ventilation fans are engineered for 1000,000 hours of continuous use! They are very quiet - Panasonis ventilation fans have a defect rate of less than 0.0006%! Many of the different moels are energy star rated. the warranty on these units are 3 years.

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