Re: [RE-wrenches] SunBandit Hybrid Solar Water Heater

2013-10-04 Thread Jason Szumlanski
In Hurricane central here, we constantly have people looking for energy solutions when the lights go out. They might see this as a reasonable trade-off. Regarding the obvious problem with accounting and control of the grid energy used, the solution could be as simple as a mechanical timer, but

[RE-wrenches] SunBandit Hybrid Solar Water Heater

2013-10-03 Thread Jason Szumlanski
Anyone else getting inundated with SunBandit Hybrid Solar Water Heating System marketing emails? Any first impressions? Here are my initial thoughts: Pros - provides hot water in utility outages, no interconnection hassles, possibly easier permitting hurdles, eliminates moving parts in active

Re: [RE-wrenches] SunBandit Hybrid Solar Water Heater

2013-10-03 Thread Dave Click
There are similar systems available to this one. I think you mean that the inverter is UL 1741, but the system is not grid-interactive. Stand-alone inverters can be listed to 1741 as well. IIRC, when I saw them at SPI 2012 they were doing everything in DC. They may have switched to AC so they

Re: [RE-wrenches] SunBandit Hybrid Solar Water Heater

2013-10-03 Thread Jason Szumlanski
Your point about Romex is a good one, but hardly worth the cost of an inverter I would think... I'd have to do that math... Yes, I meant 1741, and forgot that covered standalone inverters as well... Been away from off-grid too long! To Larry's point, I agree that the cost posted online is

Re: [RE-wrenches] SunBandit Hybrid Solar Water Heater

2013-10-03 Thread jay peltz
Hi Jason I would only add that this continues the issue with single tank solar/ grid combos IE it's hard to make sure the heat is coming from solar, as the tank has the thermostat from the grid side as well. It's a solution still looking for a problem. Jay Peltz power On Oct 3, 2013,

Re: [RE-wrenches] SunBandit Hybrid Solar Water Heater

2013-10-03 Thread Larry Crutcher, Starlight Solar Power Systems
That was one of my thoughts. It must be very advanced control to know when NOT to use utility power. Of course one could switch off the grid power….but then how well does it function without it? Just add a few more sub $1 per watt PV modules, a high efficiency electric water heater and let the