1.09% Duct Leakage for House in Estates on the Lynnhaven

We just finished our duct blast test for the green house we are building at The Estates on the Lynnhaven. See the letter from the rater from Sencon below. My customer is very happy.

Chuck,

The ductwork leakage results that I got from your project are outstanding! Technically speaking the total leakage is only 1.09%, to see how efficient this is I’m going to compare it to a very efficient new home and to the average house in the US.

The ductwork in this house will only leak:

  • 1/6th of the ductwork leakage allowed by energy Star or the upcoming energy code IECC 2009 when compared with efficient new homes.
  • 1/30th of the ductwork leakage in the average house in the USA.

I don’t see this kind of results very often

Daniel Cwik

SENCON/EARTHCRAFT

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