Chris Laumer-Giddens's Blog Posts Tagged 'and' (3)

Mini-Split Heat Pumps are Quirky, Especially their Capacity

Mini-Split Heat Pumps are Quirky and Still Effective

The name "mini-splits" generally refers to heat pump systems with one outdoor unit and one or several smaller capacity air handlers. The efficiency of their operation comes via the inverter compressor and variable refrigerant…

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Added by Chris Laumer-Giddens on September 17, 2014 at 4:32pm — 4 Comments

Installing Ducted Mini-Splits and ERV in Modern High Performance Home

Things are really moving along on the Proud Green…

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Added by Chris Laumer-Giddens on March 26, 2013 at 2:18pm — 15 Comments

The Ductless Mini-Split Heat Pump's Big Brother - CITY MULTI

In my last four HVAC Design jobs, I've specified ductless mini-split heat pumps. I have four more such jobs underway now.

Why mini-splits?

  • Efficiency (up to 26 SEER)
  • Variable Refrigerant…
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Added by Chris Laumer-Giddens on May 11, 2011 at 11:02am — 1 Comment

Forum Discussions

How would you insulate this roof?

Started by David Butler in General Forum. Last reply by Brad Cook 2 hours ago. 33 Replies

Psychrometric Chart Training

Started by John Krochmalny in Training. Last reply by Mahendra Shah on Friday. 1 Reply

Dirty solar panels

Started by Evan Mills in General Forum. Last reply by Stacie Bagnasco Oct 16. 1 Reply

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Brad Cook replied to David Butler's discussion How would you insulate this roof?
"I missed where the suggestion for rails came in. The plywood would not need any rails. 4+ inches is…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"I'm a little confused about the necessity and purpose of using support rails if working on…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"If you insulate master bedroom and family room from below, you definitely need more R-value than…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"Brad, I was only talking about using EPS between the ridges, if necessary, to conform to bolts.…"
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Brad Cook replied to David Butler's discussion How would you insulate this roof?
"It kind of depends on the PIC. Not all insulation is made the same. Here in VT (and all of New…"
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David Butler replied to David Butler's discussion How would you insulate this roof?
"Filling those shallow valleys with rigid foam not only prevents primary foam panels from…"
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Brad Cook replied to David Butler's discussion How would you insulate this roof?
"Bill, you just posted a number of responses in different areas of the thread. I will try to respond…"
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