hreg at Yahoo! Groups

Re: Energy Usage Monitoring

Bill or Dorothy Swann — Wed, 08 Jul 2009 22:09:49 GMT

Add The Energy Detective. It is a clamp-on device (2 current transformers) that monitors and graph's the kWatt usage at your electrical service. Easy to

Re: Energy Usage Monitoring

justin@... — Wed, 08 Jul 2009 17:40:25 GMT

Gary, Neat stuff! Thanks for sharing. I saw the TLD device in a magazine just recently(although I can't remember which one). I'm all for the "poor man's"

Energy Usage Monitoring

Gary Beck — Wed, 08 Jul 2009 17:15:33 GMT

I just bought these three items on Amazon to check my own energy usage and to also check project insulation on projects that I am involved with.

Re: PV Panel warranties

Solar Energy — Tue, 07 Jul 2009 14:17:58 GMT

Jim, John & Marc Thanks for the information & advice. Ahmad Solomon ... From: Jim & Janet Subject: Re: [hreg] Re: PV Panel warranties To:

Re: Unisolar in Houston

John P. Matznick — Mon, 06 Jul 2009 17:08:16 GMT

Hey Andrea. To help you understand what Laverne and Jim are saying, I have some explanations that may help. A flat roof like that on a commercial building when

Re: Unisolar in Houston

Gary Beck — Mon, 06 Jul 2009 16:55:58 GMT

If the purpose is for maximim ratio of solar electric power VS what you will buy from the grid, work thru a list of diminishing returns (big fish first) with a

Re: Unisolar in Houston

Andrea Wisner — Mon, 06 Jul 2009 03:46:58 GMT

Just saw this in my junk mailbox after I sent the other email. I wasn't familiar with "skin venting" so I looked it up -

Re: Unisolar in Houston

Andrea Wisner — Mon, 06 Jul 2009 03:25:16 GMT

I'm not 100% clear on the conclusion here. It seems that a reflective roof would reflect heat back into the solar panel, causing it to be less efficient. But

Re: Unisolar in Houston

Jim & Janet — Mon, 06 Jul 2009 02:35:49 GMT

If a solar panel is installed on a white/reflective-painted roof, how will that affect the efficiency of the panel? ... Remember, there are no stupid

Re: Unisolar in Houston

Laverne A. Williams — Mon, 06 Jul 2009 00:23:50 GMT

Hi Andrea, Good question. While there are several ways to reduce increased heat transfer through the roof by using radiant barriers and skin venting techniques

Re: Unisolar in Houston

justin@... — Sun, 05 Jul 2009 21:35:45 GMT

Andrea, White/reflective roofs are much cooler than traditional style roofs. They reflect the sun, thus reflecting the heat that comes with it. PV panels are

Re: Unisolar in Houston

Andrea Wisner — Sun, 05 Jul 2009 16:25:54 GMT

Here is a totally ignorant question - If a solar panel is installed on a white/reflective-painted roof, how will that affect the efficiency of the panel?

Re: PV Panel warranties

Jim & Janet — Sat, 04 Jul 2009 16:25:28 GMT

Supposedly I want to build a farmhouse to be solar & wind powered at 12, 24 or 48 volts - no utility connection. Do they make appliances that run entirely at

Re: PV Panel warranties

John P. Matznick — Fri, 03 Jul 2009 16:04:49 GMT

Like Marc mentioned, you will need 12V DC appliances and of course someone to help you configure your 12V connection from the battery bank or inverter due to

Re: PV Panel warranties

Marc Morgan — Fri, 03 Jul 2009 15:41:34 GMT

The make some 12 volt stuff. Like you would see in an RV. Or do like a solar stove. Here is a good site: http://www.lehmans.com/store/catalog?Args= On some of