Keith,
After going through several brands of inverters. We have decided to always use
SMA for residential (grid-tie only) installations (Outback for Off-grid or batt
b/u). Although the efficiency is practically the same, there is no comparison
on reliability. Here in Florida, moisture, bugs and lightning are important
variables we have to consider. The heavy transformer design (although not so
fun to install) has proven to be worth its weight when it comes to power
surges. The NEMA 3 enclosure for all operational components keeps out the bugs
and moisture.
We have not had to change out one SMA inverter (yet).
As far as SMA's Web Box and monitoring...well it's not the most impressive but
once you buy the chip and box the service is free and it works pretty well.
I hope this helps.
Wayne Irwin EE
Pure Energy Solar International Inc.
State Licensed Solar Contractor
License # CVC56695
wa...@pureenergysolar.com
http://pureenergysolar.com
352 377-6527 Office
352 336-3299 Fax
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Date: Tue, 1 Dec 2009 13:03:36 -0800
From: electrich...@yahoo.com
To: re-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] PV Powered vs SMA
Hi colleagues
Do any of you have a preference, PV Powered vs SMA in the residential space-
2k-5k grid tie inverter zone?
Comments on performance/reliability/customer service etc?
Any feedback on their monitoring vs SMA's webbox?
Thanks
Keith
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