July 29, 2008

Category 1: Energy- Design, finishes and amenities

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This list is the second part of the Energy Category: Design, finishes and amenities and the total points for the Energy Category were 42 out of a possible 75 maximum. Hopefully I can catch up in a few other categories.

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Category 1: Energy

In Category 1: Energy, the FGBC offers 2 points for each HERS Index point below 100. I scored an 88 as my HERS Index which means I receive 24 points on the FGBC checklist in the Energy category 100-88=12 and 12x2=24 points.

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July 21, 2008

HERS Rating not as good as expected


The energy rater had estimated the house should score around 80 and in fact the house come in at 88 which is not very good. I am going to have an energy modeling done to see where I could have improved on some of my decisions. It has to be said, however, that I did the best I could working with subs etc. who had only vaguely heard of green building and had no interest in it beyond that. Energy modeling allows you to run hypothetical scenarios into the Energy Gauge software and see how your results come out differently based on changes you make. For example, my spray foam insulation only had a R value of 15 vs. the desirable R19. This I can't change of course but it will be helpful to see where I could have improved. In my reading I thought it did have the R19 value... so I'll learn more on that later. As for the FGBC checklist, with a HERS rating of 88 I will receive 24 out of the 74 maximum points for the energy category.

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April 30, 2008

Category 1: Energy- HERS Index

FGBC uses a whole house energy performance rating called the HERS (Home Energy Rating) Index vs. an exhaustive list of energy saving alternatives. The energy rater just left this morning and it looks like the house will score ok. The list above shows what's involved in the rating. It takes into account not just heating and cooling and water heating but also, lighting, appliances etc. I receive the HERS score in 4 weeks.

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April 29, 2008

Prerequisite 2



The entire waterfront is covered in White, Red and Black mangroves. There are a few areas that were previously cut back. Whatever happened in the past they are currently protected by the FL DEP.

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Prerequisite 1

We currently do not have a pool but this is Florida and it is something we may do soon. Although people really into green think a pool is sacrilege, pools can be done on varying extremes of green consciousness. What's listed above is almost standard these days in new pool so either way we are covered.

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I'll offer a brief overview of the process I will follow to get my home Certified Green by the Florida Green Building Coalition. It is a points based system. The requirements for a new home are to:

comply with 2 prerequisites
obtain the minimum points indicated in each category
obtain a total of 100 points


There are 8 categories:
Energy
Water
Lot Choice
Site
Health
Materials
Disaster Mitigation
General (misc)


Along with simply checking things off on a list under each category, some items require additional verification. I am going to put everything I'll need to submit within my posts for each item and store all these related posts under the FGBC Green Home Checklist category here on my site. My hope is to save paper and hassle and also have everything online for easy reference.

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