Pathfinder now makes and app. for microsoft tablets that works great! Give
them a call and they will be happy to tell you all about it.
Andrew KoyaanisqatsiPresidentSolar Energy Solutions, Inc.Since 1987,Moving
Portland and Beyond to an Environmentally Sustainable Future.503-238-4502
www.SolarEnergyOregon.com "Better one's House too little one daythan too big
all the Year after."
On Monday, March 7, 2016 2:58 PM, William Miller <[email protected]>
wrote:
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div.yiv4449929903WordSection1 {}#yiv4449929903 Wrenches: This approach is
emblematic of the cheapening of the solar industry. If a contractor cannot be
bothered to get on a roof to provide an accurate assessment of the site, I
wonder if they will be honest if it turns out there are shading or other issues
not anticipated? The entry level installer will never notice shading problems.
If there are undocumented shading issues, the consumer may never know they are
being cheated out of some of the return on their investment. This is true also
about the condition of the roof and electrical infrastructure. We have seen
the contracts offered by some of our competition. They get the job by
low-balling estimates and then make up the difference by contract “adders.” I
believe that at some point a competent professional needs to get out of the
office and in the field to evaluate each and every job before the contract is
offered or the customer suffers. I caution consumers: if no one looked
carefully at your roof and your electrical then you are not dealing with a
reputable contractor. William Miller PS: The Pathfinder is still a reliable,
accurate alternative. If you apply the values on the chart to a model adjusted
for pitch, azimuth and local insolation you can get very accurate values for
shading. Those who can create a spreadsheet tool will find the results can be
tabulated in short order. Wm
Lic 773985
millersolar.com
805-438-5600 From: RE-wrenches
[mailto:[email protected]] On Behalf Of Andrew Truitt
Sent: Monday, March 07, 2016 12:30 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Successor to SunEye 210? I think the fact that no
manufacturer has jumped in to fill the void left by the SunEye is an indicator
that remote shade analysis tools like Aurora (my favorite) are the likely path
forward for the industry. These tools can typically make it possible to
generate a full rendering and shade analysis in less than 15 minutes for the
experienced user, without ever having to get on a roof. NREL did some
validation studies (here's Aurora's) and found a few tools to produce results
as good or better than the SunEye, which makes sense to me since the analysis
is based on an integral over the whole roof surface as opposed to a few point
measurements. Of course the "garbage in, garbage out" principle is very
applicable. For a brighter energy future,
Andrew Truitt Principal
Truitt Renewable Energy Consulting, LLC(202) 486-7507LinkedIn ProfileCompany
WebsiteNABCEP Certified PV Installation Professional ID: 032407-66Colorado
Journeyman Electrician License No.: 600132
"Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to
fission. And it just so happens that there's an enormous fusion reactor safely
banked a few million miles from us. It delivers more than we could ever use in
just about 8 minutes. And it's wireless!"
~William McDonough On Mon, Mar 7, 2016 at 12:56 PM, Dan Fink
<[email protected]> wrote:Hi Peter;My understanding is that the only thing
left of Solmetric at Vivint is the PV Analyzer, and though they stated a year
ago that they were going to "streamline" the PV sales process so that the site
survey could be accomplished on the same day as the sale, I've seen nothing
else from them.Very happy that I've kept the heavily-modded Solar Pathfinder
that I bought in 1994, with a real tripod adaptor. For quicky site surveys and
semi-interested customers, I use an Android smartphone app, which is pretty
accurate IF you build a tripod adaptor for the phone.I'm surprised someone
hasn't leapt in to claim this market share. Not all of us are big-city
no-battery PV installers who can use the new Google tool that estimates tree
heights. My class experiments with this were a bust....it only sorta kinda
works. Ground truth is the only thing I trust. Maybe I should just start
building and marketing my Pathfinder and smartphone tripod adaptors.
Dan FinkAdjunct Professor, Ecotech InstituteIREC Certified Instructor™ for: ~
PV Installation Professional~ Small Wind InstallerExecutive Director, Buckville
EnergyNABCEP Accredited Continuing Education Providers™
970.672.4342
On Mon, Mar 7, 2016 at 10:27 AM, Peter Parrish
<[email protected]> wrote:
Can’t seem to find a SunEye product on the Solmetric website. Is it tucked away
on the Vivent site or somewhere else hard-to-find? Peter T. Parrish,
Ph.D.President, SolarGnosis1107 Fair Oaks Ave.Suite 351South Pasadena, CA
91030(323) [email protected]
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