Category Archives: solar hot water resources

No matter what you think about the current presidential administration, the current US Department of Energy is huge proponent of solar technologies under Secretary Steven Chu, a Nobel Prize winning scientist. Case in point is the DOE’s development of Solar … Continue reading →

Free Hot Water has been on Twitter for over a year now, and we’ve certainly benefited from connecting and developing relationships with other solar thermal installers and plumbers and green contractors. Not only have we found new solar installer customers, … Continue reading →

We really have a difficult time understanding why there aren’t more residential buildings in the United States with solar water heating systems. They’re very common all over the world, especially in China, Europe, and Israel. Our only guess is that … Continue reading →

  For anyone who’s read the Free Hot Water blog regularly, you know we don’t just try to “sell, sell, sell” to you.  Instead, this blog always tries to offer you, our solar installer partners and distributors, useful information that … Continue reading →

Need some feel-good solar video PR for your solar thermal website? The Solar Energy Industry Association (SEIA) produced a series of promotional webisodes last year around the time of Solar Power International. These videos clocked in about 5 or 6 … Continue reading →

Here’s a great infographic from solar PV lead generator, One Block Off the Grid a.k.a. 1bog.org. The people over there do amazing work, turning plain numbers and facts into colorful, easy-to-understand, visual information. If you’re handy with graphics, please create … Continue reading →

The Solar Energy Industry Association (SEIA) and Greentech Media have published their final market report of 2010 on the U.S. Solar industry. Here are the highlights about the 2010 solar thermal market: The good news: The U.S. saw close to … Continue reading →

  We realize it’s difficult to convince home owners to invest in solar hot water systems when gas prices remain relatively low.  The case (and incentives) are far greater for larger commercial systems. Nevertheless, there are still advantages for residential … Continue reading →

Despite solar water heating being a 100 year, plus, solar technology, it still plays second fiddle to PV, which is more expensive and less efficient on a per watt basis. Better, more aggressive marketing, of course, is the solution to … Continue reading →

Free Hot Water often receives questions from people just starting to enter the solar business. One question that comes up is the correct way to measure insolation. What’s insolation? It’s basically a measurement of the amount of sun that’s expected … Continue reading →