Chris Laumer-Giddens's Blog Posts Tagged 'energy' (10)

Building with Rocks, Rocks. Check out the Drying Potential

Building with Rocks, Rocks! Check out the Drying Potential.

Check this out! This 24" x 48" x 2" thick piece of rigid stone wool insulation was left out overnight (on purpose) on the High Performance Tiny House project site, to see how it handles a deluge of rain, which we knew was coming. One of the many …

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Added by Chris Laumer-Giddens on July 26, 2016 at 6:30am — No Comments

Sparky Doubled the Air Leakage in this Home!

Sparky Doubled the Air Leakage in this Home

This is the home.

high-performance-bunglaow

This is the hole that Sparky (electrician) "innocently" made to feed a wire to the light on the front porch of the High Performance Bungalow. I discovered it a day or two after our home performance diagnostics team, Carl Seville and Abe Kruger, of SK…

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Added by Chris Laumer-Giddens on November 24, 2015 at 9:08am — 4 Comments

Building Science is Worthless...

Building Science is Worthless...

Thousands of hours went in this construction detail. When we factor all the time spent by building science engineers, from all over the world,…

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Added by Chris Laumer-Giddens on August 25, 2015 at 6:30am — 1 Comment

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 — 5 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

Designing A Perfect Residential Wall - Atlanta, Georgia

Atlanta, Georgia has a reputation for getting pretty darn hot, but it can also get pretty dang cold (No snickering from you Northerners, please!). Believe it or not, Atlantans use more energy to heat their homes than they do to cool them. The design temperature set by …

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Added by Chris Laumer-Giddens on March 6, 2013 at 2:30pm — No Comments

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

Google SketchUp for Home Energy Raters - Measurements Made Easy

Hey, HERS raters, what if I told you that you could get the volume of a multi-pitched roof for all of your home energy…

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Added by Chris Laumer-Giddens on March 21, 2011 at 7:30am — 5 Comments

Forum Discussions

Mini split installation location

Started by Jan Green in HVAC. Last reply by David Butler 20 hours ago. 1 Reply

Mini split air conditioners and ceiling fans

Started by Beverly Lerch in General Forum. Last reply by David Butler 23 hours ago. 11 Replies

Tankless water heating and existing gas lines

Started by Julie Saporito in HVAC. Last reply by Kent Browning on Friday. 5 Replies

Whole House Fans - Love 'Em or Not?

Started by Tom Conlon in General Forum. Last reply by John White Sep 10. 77 Replies

Latest Activity

David Byrnes's video was featured

Why One Room Is Hotter Than Others

Ever wonder if your air conditioner is working right because one room never gets a cool or warm as others? Do you need a bigger air conditioner to fix a room...
5 hours ago
Profile IconEric MacCallum, Adam Morgan and Caolan Hutchens joined Home Energy Pros Forum
19 hours ago
David Butler replied to Jan Green's discussion Mini split installation location
"Really hard to advise without knowing the layout. But you're asking good questions. Any chance…"
20 hours ago
Jan Green posted a discussion

Mini split installation location

Reaching out to the experts today to ask about location of installation of a mini split.  I'm a…See More
21 hours ago
David Butler replied to Beverly Lerch's discussion Mini split air conditioners and ceiling fans
"Among the various opinions expressed here, I offer a few 'truths'... Ceiling fans are…"
23 hours ago
Walter Ahlgrim replied to Beverly Lerch's discussion Mini split air conditioners and ceiling fans
"This is one of thouse topic where you ask 10 people and get 12 different opinions. I will give you…"
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Brett Little's event was featured
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Full Circle Urban Forestry: Introducing Urban Wood Opportunities - Free CE Webinar at Webinar Online

October 17, 2018 from 12pm to 1:15pm
Many common urban tree removal practices in the United States view felled urban trees as costly…See More
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Beverly Lerch replied to Beverly Lerch's discussion Mini split air conditioners and ceiling fans
"Now I am confused.  Everyone has a different opinion.  "
yesterday
Joseph Novella replied to Beverly Lerch's discussion Mini split air conditioners and ceiling fans
"Don't use the fans! They generate heat and mix the stratified high warm air with the low cool…"
yesterday
John White replied to Beverly Lerch's discussion Mini split air conditioners and ceiling fans
"If you are using air conditioning, a ceiling fan will allow you to raise the thermostat setting…"
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John White posted a blog post
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Linda Wigington liked Don Fugler's discussion Depressurization/make-up air issues
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Kent Browning replied to Julie Saporito's discussion Tankless water heating and existing gas lines
"First the problems - increased CO due to poor combustion, flue condensation delayed ignition, etc.…"
Friday
Brett Little posted an event
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Full Circle Urban Forestry: Introducing Urban Wood Opportunities - Free CE Webinar at Webinar Online

October 17, 2018 from 12pm to 1:15pm
Many common urban tree removal practices in the United States view felled urban trees as costly…See More
Friday
Hannah Finch's blog post was featured

Announcing National Energy Geek Day [October 6]

If you know anything about EnergyLogic, you are probably aware that we are fun loving and…See More
Friday
John White commented on Corbett Lunsford's video
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5 Types of Ventilation for Controlling Your HOMEChem

"Ventilation is one of the single most important element of an HVAC system. It is generally used to…"
Friday
Profile IconDevin Cecere, John Cooper, Beth Burrell and 1 more joined Home Energy Pros Forum
Thursday
Brett Little commented on Jim Gunshinan's blog post More "Buzz" from ACEEE Summer Study—Builder-Installed Electric Loads
"Ive got one of those stupid street lights! When I bought the house I was like how do you shut…"
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