Back at the San Diego Solar 2008 show, I made a point to look at a number of evacuated tube systems for SDHW. I got one very strong recommendation from a Colorado-based installer I bumped into, and.I promptly put the information into "write-only" memory. So here I am six months later no better off than I was before I went to the show.
Has there been a recent thread on evacuated tube SDHW systems? If so, how do I access the archives? If not could we start a thread? My principal reason for looking into this technology is for space-limited applications. Right now we are looking at trying to find space on a crowded roof for about 100-120 sq-ft of conventional flat plate collectors (e.g. SunEarth Empire 4'x8' or 4'x10'), and skylights, parapet walls and a PV array are getting in the way. Climate is southern California coastal. Any help would be appreciated. - Peter Peter T. Parrish, Ph.D., President California Solar Engineering, Inc. 820 Cynthia Ave., Los Angeles, CA 90065 Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885 CA Lic. 854779, NABCEP Cert. 031806-26 [email protected] _____ From: [email protected] [mailto:[email protected]] On Behalf Of Peter Parrish Sent: Wednesday, March 25, 2009 6:05 AM To: 'RE-wrenches' Subject: Re: [RE-wrenches] MPPT greater than 150V Yes, as far as I know. Apollo is supposed to have one in beta evaluation but we haven't been able to obtain satisfactory information from them how product evaluation is taking place and when the unit will be available as a product. We had an application for which we wanted to use this new product and gave up on them and their product. - Peter Peter T. Parrish, Ph.D., President California Solar Engineering, Inc. 820 Cynthia Ave., Los Angeles, CA 90065 Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885 CA Lic. 854779, NABCEP Cert. 031806-26 [email protected] _____ From: [email protected] [mailto:[email protected]] On Behalf Of Carl Emerson Sent: Tuesday, March 24, 2009 5:20 PM To: 'RE-wrenches' Subject: [RE-wrenches] MPPT greater than 150V Hi there, Can someone confirm that there is still no MPPT regulators available capable of accepting array voltages greater than 150. Thanks, Carl Emerson Free Power Ltd. Auckland NZ
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