Bob Blanchette's Blog (2)

Replaced my A/C this weekend, results of downsizing by 1/3.

Recently my 13 yr old Carrier A/C devolved a leak and I chose to replace the system rather than track down the leak and repair the coil. I had been reading about doing manual J calculations and how contractors are scared to death to undersize. I had been talking to co-workers about this and it's an uphill battle getting them to think different than 1 ton per 500sq ft. So I decided to take confidence in correct sizing and "put my money where my mouth is" and install a 2 ton sized…

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Added by Bob Blanchette on September 2, 2012 at 7:39pm — 2 Comments

Just Signed up for OG&E Smarthours Program, A new way to manage energy use

How SmartHours Plus works: It costs more for electricity during peak periods of high customer demand.

Other factors, like weather conditions and the time of year, also drive electrical prices higher. SmartHours Plus,

sometimes known as Variable Peak Pricing (VPP), allows you to save when costs are lower, or off peak. Peak hours

are 2 to 7 p.m. weekdays, and prices during those hours vary based on demand (see chart). You’ll get advance

notice of tomorrow’s peak price the…

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Added by Bob Blanchette on January 17, 2012 at 4:30pm — No Comments

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How would you insulate this roof?

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Psychrometric Chart Training

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Dirty solar panels

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tedkidd replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
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Eric Kjelshus replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"With super cheap natural gas prices now, still worth going all electric?  Tankless needs a lot…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"Stuart, I wasn't considering the copula windows... yes, those would indeed need to be…"
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Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"Well, @David Butler, you have seen the property more accurately than I have, but my impression of…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"@ Stuart,I don't think there's any concern about impact of 4" build-up on elevation…"
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Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"So this building has a few issues with air leaks and air leaks have so much to do with discomfort…"
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Stuart Langley replied to David Butler's discussion How would you insulate this roof?
"John Hatfield has the right idea here for a new roof deck. Polyiso boards always need a good stout…"
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