[Greenbuilding] [BULK] Re: All Electric House

[Mark Marcoplos]

In 2002 we had an ice storm here in central North Carolina that knocked the 
grid out for about a week. There were some miserable people hanging out in 
their all-electric homes.


----- Original Message ----- 
From: "Lawrence Lile" <LLile at projsolco.com>
To: "Dan Antonioli" <dantonioli at earthlink.net>
Cc: "Greenbuilding Discussion List" <greenbuilding at listserv.repp.org>
Sent: Tuesday, January 08, 2008 6:11 PM
Subject: Re: [Greenbuilding] [BULK] Re: All Electric House


> I'D definitely be looking at ground source heat pumps, and also look at
> a heat pump hot water heater.  Backed up with solar hot water that is a
> very efficient way to make hot water (better than "100%") With these
> options, an all-electric home can beat a gas heated home for energy use,
> and also energy cost.  None of these are cheap options.
>
> Lawrence Lile, PE, LEED AP
> Project Solutions Engineering
>
> -----Original Message-----
> From: greenbuilding-bounces at listserv.repp.org
> [mailto:greenbuilding-bounces at listserv.repp.org] On Behalf Of Ward
> Edwards
> Sent: Tuesday, January 08, 2008 4:02 PM
> To: Dan Antonioli
> Cc: Greenbuilding Discussion List
> Subject: [BULK] Re: [Greenbuilding] All Electric House
> Importance: Low
>
> Depending on how wide and deep the trenches are, she might want to
> consider a geothermal system, and use the trenches for the ground loops.
>
> Another option to consider is instead of using an air conditioner, use
> an air source heat pump, so it could be used for both heating and air
> conditioning.  Considering the climate, it should be sufficient for all
> the heating needs.
>
> By definition electric heat is 100% efficient, as there is no heat lost
> to exhaust, it is just very expensive in most areas.
>
> Ward Edwards
> ward at buildgreen.ca
>
> Dan Antonioli wrote:
>> I have a customer who is building two new homes in the Oakland hills.
>
>> She wants both to be all-electric and wants to incorporate solar,
>> both thermal and photovoltaics.
>>
>> Both homes are about to have the roofs put on. The location is far
>> away from the gas main and she's decided that it's too expensive run
>> and has told the builder to fill in all the trenches that would have
>> carried the gas pipes. I told her that before she makes any decisions
>
>> that she need to have the final energy performance calculated to see
>> if they'll pass Title 24 minimum standards (California's energy
>> code). She's made some very abrupt decisions and there's a good
>> chance that she'll have to have the trench re-dug and the gas line
>> put in.
>>
>
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