Tag Archives: Water Heating Systems

PVThermal

Posted on March 27, 2010 by Mike Holm

PVThermal panels are not new.  There has been a lot of research done on them in Europe and the US since the 1970s, but they have been a niche market. Now is the time for the system to gain some prominence. … Continue reading →

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Tankless water heater output

Posted on June 26, 2009 by Mike Holm

I am constantly finding companies (contractors, not manufacturers) who advertise that the tankless water heater they install will give you 7-8 gpm of hot water when heating from 10C to 50C (122F). Sorry, but this  should not be believed. The … Continue reading →

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Flat solar collectors verses tube collectors

Posted on June 12, 2009 by Mike Holm

There are a lot of vacuum tube collectors (i.e. solar panels) available on the market these days, and there is definitely a lot of misinformation out there. I shall try to rectify this to some extent. “Vacuum collectors are more … Continue reading →

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