Chris Laumer-Giddens's Blog Posts Tagged 'efficient' (5)

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

0.72 ach50 Before Drywall - This Home is already 90% Tighter than Energy Code

Before drywall was installed, I tested the infiltration (air leakage) at the Proud Green Home (PGH) at Serenbe,…

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Added by Chris Laumer-Giddens on April 15, 2013 at 10:30am — 1 Comment

Part II: Designing for High Performance, Controlling Heat Flow in Slab-On-Grade

In Part I of this series on designing for high performance, we discussed the control…

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Added by Chris Laumer-Giddens on August 15, 2012 at 6:15am — No Comments

Designing for High Performance: Slab-On-Grade, Part I – Controlling Moisture Flow

We’re just a few weeks away from a computer generated, self-guided interactive virtual tour of the Serenbe Residence near Atlanta, Georgia (Climate Zone 3a). We’re using REVIT software to generate the 3D model, then  …

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Added by Chris Laumer-Giddens on August 13, 2012 at 7:00am — 6 Comments

A Green Home - It's Just Good Design

What makes a Green Home green? Is it the bamboo floors? Maybe it’s the low-e windows or the extra insulation in the walls? What about a high efficiency heating and cooling system? Or maybe it's a plaque by your front door that says, “I'm Green!”?

How about all of the above and then…

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Added by Chris Laumer-Giddens on April 11, 2011 at 11:02am — No Comments

Forum Discussions

Efficiency of furnace

Started by Jignesh in General Forum. Last reply by Jim Hensen 6 hours ago. 5 Replies

2005 EPAct tax credit

Started by Mandy Leazenby in General Forum. Last reply by Sean Lintow Sr on Thursday. 3 Replies

Best brands for furnace

Started by Jignesh in General Forum on Tuesday. 0 Replies

ROCIS recommendations for Ducted Range Hoods

Started by Diane Chojnowski in General Forum. Last reply by Tony Baptist on Tuesday. 8 Replies

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Jim Hensen replied to Jignesh's discussion Efficiency of furnace
"Great question - what the efficiency rating means is one of the most common questions we we asked.…"
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Michael Schettine's blog post was featured

Framing production combined with air sealing

Building Tighter Homes with Gasketed FramingIf you follow our blog, you know that we talk quite a…See More
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Best Practices (Residential)

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INFRARED THERMOGRAPHY USERS

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Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
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HVAC

HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements,…See More
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Brad Cook replied to Jignesh's discussion Efficiency of furnace
"NO combustion based heating system can ever be 100% efficient, according to the Second Law of…"
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Brian Robinson commented on Barbara Smith's video
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How to get top performance from your furnace, air conditioner or heat pump

"So glad you highlighted the importance of air sealing & insulating the home form the bottom to…"
Thursday
Brian Robinson replied to Jignesh's discussion Efficiency of furnace
"You also may also want to account for the distribution losses as you move the heat from the…"
Thursday
Michael Schettine posted a blog post

Framing production combined with air sealing

Building Tighter Homes with Gasketed FramingIf you follow our blog, you know that we talk quite a…See More
Thursday
David Butler replied to Jignesh's discussion Efficiency of furnace
"Adding to Sean's comment... The reason a 90%+ furnace uses a PVC flue (as opposed to metal) is…"
Thursday
Barbara Smith's video was featured

How to get top performance from your furnace, air conditioner or heat pump

Video produced as part of our Minnesota heating and cooling system study. Seventhwave
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DesignTech posted photos
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Sean Lintow Sr replied to Mandy Leazenby's discussion 2005 EPAct tax credit
"And there we go, it got a retroactive extension till 12.31.2017 now"
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Building a Green Veterans network

"Thanks Hannah!  I corrected the link. Please try again."
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