I am about to pull the trigger on having a 5.9kW system put on our home/office, but honestly PV systems are kind of outside of my realm of expertise (I mostly work within air sealing and insulation…Continue
"There are basically 3 types of puffers:
1) The acid variety that you are already familiar with. As you said already they are made by www.retrotec.com (makes the big brown one) and TT Puffer (makes the little white one) but be careful with…"
A group where energy professionals can learn about all the different energy saving aspects of RCCs. I have worked with one particular RCC for 30 years. I have amassed alot of information I can share. Everyone knows, accepts and understands how RCCs work as a 'Cool Roof' coating. However, that seems to be where the knowledge on these products different energy saving applications abruptly stops. I hope to change that with this group. There are over 300 protective coatings out there and they…See More
"Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you! Don't…"
I do have a freezer that is about 15 yrs old in the garage. I know it is my "low hanging fruit" to all of my consumption. I keep it because I garden and hunt and I keep it full with the fruits of that labor. I have measured it…"
"Thank you James,
I may be able to get some EFSH readings from my installer of similar 6 kWh installs they have done. Granted the numbers wont match exactly because every install is different, but I can see how calculating the EFSH gives true apples…"
I work for an electric utility and do a lot of work with our customers that generate solar power. SunPower makes a great module. They are one of the most efficient solar modules (20%), which means it takes fewer modules to…"
I am about to pull the trigger on having a 5.9kW system put on our home/office, but honestly PV systems are kind of outside of my realm of expertise (I mostly work within air sealing and insulation retrofits). I would like to hear from people in the PV word about their experience with the hardware that is out right now.From my research the SunPower brand PV panels and inverter systems seem to keep floating to the top of the quality list. I like the fact that their systems are modular and they…See More
Yes, I do think it is very helpful to keep your utility records. In fact, I firmly believe that simple analysis of your utility records can be more illustrative than a lot of simulation (and I love simulations).
Key concept with…"
"I should add, since the thread was about solar PV. I have both Sharp and Solarworld panels on my roof top. AC output peak is around 9kW. Spring/Summer I can produce 60kWhr a day. Washington has net-metering - so I use that to…"
"I am a relatively newby (really concentrating on efficiency), perhaps seven or eight years now. I spent years reading papers by Danny... :-)
My early, early, introduction into renewables and the world of energy go back to nearly the…"
"You fellas had me curious about how far back I could go with my energy consumption records. I found that I could go back as far as I owned the home, and with special permission I can go back further. That is quite a wealth of information that I…"
"We have ours going back during that time also. Quicken, scanners and document organizers. We might be a little bit obsessive we track things down in under one minute intervals... but if you are doing a science/research project --…"
You kept your energy bills all the way back to 1989? Brother...um, that's slightly OCD...but in a fantastic way! I really like the graph you generated with that info, and I will heed your advice on logging the power production.
Already had the 6000W inverter, so it was just a matter of expanding the number of modules on the racks.
Generating the graph was simple: I kept all the utility bills since I moved into the house in 1989 and then logged the power…"
That is great information, thank you very much. i had not heard that news out of San Antonio either, that was rather disappointing.
When you upgraded to 5.9kWh did you have to introduce a new inverter, or did you already have a 6000w…"
No better time than now. Go for it. I am worried that net metering may soon be gone. Grandfather clause is a nice friend to have.
Don't believe that? Take a look at what is taking place in San…"
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