<div dir="ltr"><div>Ron, <br><br></div><div>Since the radiant barrier was installed when the shop was built I don't have data to draw a comparison. The shop's attic feels noticeably cooler than my house attic on a hot summer day. Both roofs have ridge vents and no fan. <br>
</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jul 23, 2013 at 8:26 PM, Ron Frazier (ALE) <span dir="ltr"><<a href="mailto:atllinuxenthinfo@techstarship.com" target="_blank">atllinuxenthinfo@techstarship.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Adrya,<br>
<br>
That's very cool. Any estimates on cost vs square feet vs payback that you'd be willing to share? If not, that's OK.<br>
<br>
Sincerely,<br>
<br>
Ron<br>
<div class="HOEnZb"><div class="h5"><br>
<br>
<br>
Adrya Stembridge <<a href="mailto:adrya.stembridge@gmail.com">adrya.stembridge@gmail.com</a>> wrote:<br>
<br>
>I installed radiant barrier in the attic above my garage office - that<br>
>along with 12" of blown-in insulation did wonders. Cell reception is<br>
>slightly less than optimal in the office, but I'll take that for the<br>
>lower<br>
>energy costs.<br>
><br>
><br>
><br>
><br>
>On Tue, Jul 23, 2013 at 7:33 PM, Ron Frazier (ALE) <<br>
><a href="mailto:atllinuxenthinfo@techstarship.com">atllinuxenthinfo@techstarship.com</a>> wrote:<br>
><br>
>> Hi Jim,<br>
>><br>
>> You might want to consider a powered thermostatically controlled vent<br>
>fan<br>
>> for the attic. It will keep your attic cooler. It's fairly simple<br>
>and<br>
>> cheap, but I don't know what the payback is. If you have work done<br>
>on your<br>
>> roof, you could add a ridge vent. Those also help a bit. Maybe a<br>
>good<br>
>> bit. A radiant barrier can be a good option but that costs some $$$<br>
>to<br>
>> get. Payback is longer.<br>
>><br>
>> You could look up the heating degree days and cooling degree days for<br>
>this<br>
>> area. GA has both harsh winters (at times) and harsh summers. There<br>
>is<br>
>> hardly ever a time when my heat pump is neither heating nor cooling.<br>
>Black<br>
>> shingles help some with winter heating, but I would imagine they do<br>
>more<br>
>> harm than good. For better or worse, it would probably be harder to<br>
>sell a<br>
>> house with a really light roof.<br>
>><br>
>> PS, get cellulose insulation if you can. You'd have to check into<br>
>the<br>
>> pros and cons. A relative recently told me that, if your house is<br>
>hit by a<br>
>> tornado, it blasts little bits of fiberglass insulation everywhere<br>
>and into<br>
>> everything, so even if your clothes, bed, carpet, and sofa are<br>
>intact, you<br>
>> can't use them again because of the fiberglass.<br>
>><br>
>> PPS, you didn't trim this message. 8-) I chopped it for you.<br>
>><br>
>> Sincerely,<br>
>><br>
>> Ron<br>
>><br>
>><br>
<br>
<br>
<br>
</div></div><div class="HOEnZb"><div class="h5">--<br>
<br>
Sent from my Android Acer A500 tablet with bluetooth keyboard and K-9 Mail.<br>
Please excuse my potential brevity if I'm typing on the touch screen.<br>
<br>
(PS - If you email me and don't get a quick response, you might want to<br>
call on the phone. I get about 300 emails per day from alternate energy<br>
mailing lists and such. I don't always see new email messages very quickly.)<br>
<br>
Ron Frazier<br>
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