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Pole Mount PV We’ve had a pretty good summer for solar photovoltaic (PV) installations in the Upper Valley of NH/VT. A typical PV system consists of a number of solar panels and an Inverter to change the DC (direct current) from the panels to AC (alternating current) which is used in our homes. Often the [...]
Solar Electric Array I’ve been working with a customer for a few weeks on an idea that he had for his guest house. His guest house is used only about 1 week every month. But, even when the house isn’t being used it is still consuming electricity — a few outdoor lights, enough heat to [...] Solar Heating If you have the opportunity to replace your heating system or if you are building a new house, you should consider a low temperature water-based system for the heating core. For instance, a radiant floor system or hydro-air system are both based on heating water to temperatures much lower than those required for [...] Solar Collector The solar collector we are building at my future house, 78 Main St, has been in place for a couple of weeks now, and we have been collecting temperature data. I’m hoping to have some “live” data at the website at some point in the future, but for now I have downloaded 8 [...] Google PI Today is March 14th, for some that’s 3.14 (pi, π) day. Pi is the greek symbol representing the constant which is the ratio of the circumference of a circle to its diameter. Google often takes the opportunity to acknowledge an interesting day (or date) on its front page, and they did so today [...] Solar Collector We are finally making progress again on the solar heating system at 78 Main St. After building the tank (Solar Storage), building the collector rack and trench to the basement, and building the heat exchanger (see pictures below), the next step was to get the two main loops pumping (see Solar Storage Tank, [...]
Solar heat For our zero-energy building we are using the sun to provide ALL of the heat we will need throughout the winter. After months of discussion, engineering models of heat requirements, heat losses, heat storage and solar heat generation… the team came up with a system. There are three major ingredients: Solar collector
Solar webcam diagram We are going to start excavation on our renovation project, 78 Main St next week. So, in preparation we got a hold of an outdoor webcam and put together a system to power the camera, a wireless router and a datalogging computer with the hopes that we can capture some of the [...] Solar in the desert I was speaking to a friend who lives in Germany about some of the interesting alternative energy projects she has read and heard about. Germany has some highly acclaimed passive solar designed homes and has earned a reputation in the last few decades as being a leader in conservation and alternative [...]
Solar Fountain There is a nice water fountain in the middle of a large cemetery in Enfield. There is no good way to run electricity to the fountain to circulate water with a pump, but town water was available near by through a hose. For many years during special events someone would turn on the [...] |
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