[Greenbuilding] Fwd: energy savings myths

[Gennaro Brooks-Church - Eco Brooklyn]

Here is a myth I believed was true:
Insulation is the biggest key to energy efficiency.

After building a Passive House in NY I learned it only needed
insulation to code - R18. What made it or broke it was how well the
6mil plastic air barrier was sealed. Just a one inch hole in the
plastic rendered the house unable to heat with the tiny mini-splits.
Seal the hole and you can heat the house with a hair drier.

That was a pretty crazy realization.

Gennaro Brooks-Church
Director, Eco Brooklyn Inc.
Cell: 1 347 244 3016 USA
www.EcoBrooklyn.com
22 2nd St; Brooklyn, NY 11231




On Wed, Nov 16, 2011 at 5:05 PM, Reuben Deumling <9watts at gmail.com> wrote:
> add away. One could take more time than I just did and do a much better job,
> surely.
>
> On Wed, Nov 16, 2011 at 1:07 PM, Michael O'Brien <obrien at hevanet.com> wrote:
>>
>> Hi, Reuben--
>> Amen!
>> May I add, Myth No. 6, Computer modeling during building design accurately
>> predicts actual energy reductions and performance of the constructed
>> building, and no monitoring or feedback is necessary.
>
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