nuSun, inc. sells complete solar evacuated tube type water heater collectors. But we also sell the various individual components that go to make up a complete system, including a really nice Solar Water Heater Controller. While the solar evacuated tubes are very efficient, they are pretty expensive and require some care and feeding. So I […]
Solar hot water heaters require periodic maintenance, no matter flat plate or evacuated tube types. That is why I would not advise putting the collector on the roof, unless you have a safe and convenient way of accessing the collector. I am not too familar with the flat plate collectors as nuSun, inc. […]
Traffic signals in small towns and rural intersections that are equipped with either simple timed signals or simple timed signals with vehicle detection, wastes a tremendous amount of motorist’s fuel and time. The shame of it is that there is absolutely no good excuse for this waste. Because, with a few simple changes in the […]
The EM 2500 SP Energy Monitor is one neat power tracking device. It features (1) twice the voltage range (220 volts) of the el cheapo versions. (2.) has clamp on current sensors, so no need to disconnect wires and thread them into a toroidal core, (3.) a bright display and all the standard features […]
For installing solar hot water heaters, it is hard to beat the convenience of those new fangled Gator Bites from Lowes Hardware or the Shark Bites from Home Depot. Yes those plumbing couplers are very expensive, but for the convenience, speed of assembly and pleasing cosmetic appearance ; I know of nothing better.
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Does not matter whether John McCain or Barack Obama wins the White House; we need a massive program on the order of the 1930s New Deal, the 1940s Manhattan Project or the 1960s Moon Landing Program to (1.) rebuild America’s infrastructure, (2.) to go all out to conserve petroleum/energy and (3.) do everything we can, […]
As the current administration is sidelined, there will be a seismic shift in attitudes as regards the environment and especially about global warming. Instead of people looking down their noses at those who would live off the grid or use solar and wind to generate power; they will be joining the rush to buy […]
The price for a barrel of oil has fallen below US$100. Of course gasoline is still at US$3.24 per gal at the Pure Oil station next door. When the price of petroleum goes up; gasoline follows pretty much in lock step with oil, but when the price of petroleum goes down the price of a […]
If you have ever driven a car with a gage (meter) that shows you miles per gallon (MPG) that you’re using in real time while driving, you will know that beating other cars off the line kills MPG. A heavy foot on the accelerator while getting up to speed can cost you big money these […]
