Wednesday, May 15, 2019

Attic insulation

Got the attic insulated today! Clint from Mitchell Insulation added about 14 inches of blown-in fiberglass insulation into my attic today. It had only an inch or two before. Looking forward to a cooler house this summer.

Update # 1
The insulation made a HUGE difference. Also had the HVAC man out to tune-up and clean the a/c, which is a new unit he installed when I moved in. The temp inside the house has remained about 20 degrees below par. Prior to the insulation the house would have been over 80 degrees at this time of summer. Now that the insulation has been added and lots of gaps sealed up, the inside temp has remained steady at 71-73 degrees.

Update # 2
Something weird is going on. We live in a hot swamp (otherwise known as Houston) where summer temperatures commonly reach 100° with 80% humidity. While the house is indeed cooler after adding the insulation, the difference has not been quite as spectacular as my *fairly-extremely comprehensive research efforts* indicated we should expect...

Yes, Mr. Holmes, there was an investigation into this quizzical mystery. 
Upon investigation I discovered that the attic was waaay cooler than the house. 
FRIGID COOL.  Much unlike the interior living quarters. 
In fact, the temperature is much more comfortable in the attic.
That's bizarre.

We troubleshooted:
      Is it an unconnected duct blowing cool air into the attic?

      Is it a leak in the air duct system?

      Is it anything else that a reasonably seasoned and knowledgeable homeowner should be able to identify?
          Apparently not. 

      So what is it????
            Beats me. Not a clue. 

So riddle me this:
Why—in a hot southern swamp—would a previously boiling attic become a freezer after blowing in one-metric-ton of insulation?

I have no answers. 
The internet—it seems—has no answers.
Or does it?


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