[Greenbuilding] Earthship in New York

[John Salmen]

I liked Ross's post. In fact I thought it was an extremely well written,
well informed critique - I read it twice admiring the writing. I especially
liked the comment about bottles, pop cans and tires having risen above the
garbage pile in terms of value (also my opinion on cellulose). I also
appreciated the humour of the 'magical effect' comment as I think the peter
pan syndrome has always been an aspect of the alternative building movement.
I view that as an accurate critical observation not an opinion. There are a
lot of mouldering piles of half completed earthships out there as a
testament. 

 

From: Greenbuilding [mailto:greenbuilding-bounces at lists.bioenergylists.org]
On Behalf Of Gennaro Brooks-Church - Eco Brooklyn
Sent: July-26-13 7:11 PM
To: Green Building
Subject: Re: [Greenbuilding] Earthship in New York

 

Ross I find your smugness in your opinion off putting considering you have
no idea what I am building.

 




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

 

On Fri, Jul 26, 2013 at 7:45 PM, Ross Elliott <relliott at homesol.ca> wrote:

Not to rain on your parade Genarro, but "Earthship" and "Passive House" are
rather contradictory terms, at least in New York's climate. The insulation
values needed to reach Passive House are a long way off from dirt packed
tires, and much as I admire what Mike Reynolds did in New Mexico with
materials that weren't being recycled back then, bottles, pop cans and tires
are no longer just garbage. It's a tremendous amount of work to build with
tires, some people I know of spent several years just getting the walls up
and then couldn't afford to complete the structure. Some are convinced the
thermal mass of Earthships have some magical effect on energy consumption,
and that over-glazed sloped south walls don't leak, overheat during the day
and lose heat excessively at night, despite evidence to the contrary. I've
been to Taos and stayed in an Earthship, and have read everything Mike
Reynolds wrote and watched all the videos, and I respect the creativity in
these homes which certainly should be part of any decent green building
project, but I hope that by investigating "Passive House concepts" you'll
discover the shortcomings of Earthships in a cold climate. Why not insulated
rammed earth, strawbale, or even super-insulated wood frame construction?

Solar thermal radiant is barely economically feasible (with a backup system)
with a certified Passive House in northern climates, so go with a cold
climate air source heat pump or geothermal, if those are your only choices
and you really want a tire house. But if you build a true Passive House, you
can heat with a much simpler, cheaper combo DHW system, cool with a ground
loop and night cooling bypass on your ERV and save a fortune on HVAC
installation costs. Plus you can add solar thermal to the mix if you like,
with an appreciable % of energy boost.

Ross Elliott LEED-AP, CPHC
Homesol Building Solutions Inc.
Almonte, ON
         

On Thu, Jul 25, 2013 at 1:06 PM, Gennaro Brooks-Church - Eco Brooklyn <
info at ecobrooklyn.com> wrote:

> This is a typical tire packed earthship. I am looking to implement
> Passive House methods and see where we end up. I'd like to use as much
> salvaged materials as well of course.
> I guess my question is not so related to an Earthship though. It is
> more one of using solar thermal radiant or Minisplit PV.
> Matt you raise an excellent point about humidity. For that reason
> alone it may be worth going with Minisplits.
> The larger question is what is a better use of money for an East Coast
> building with land, solar thermal, PV or geothermal....?
>
> Gennaro Brooks-Church
> Director, Eco Brooklyn Inc.
> Cell: 1 347 244 3016 <tel:1%20347%20244%203016>  USA
> www.EcoBrooklyn.com
> 22 2nd St; Brooklyn, NY 11231



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