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 …

Continue

Added by Chris Laumer-Giddens on July 26, 2016 at 3:30am — 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…

Continue

Added by Chris Laumer-Giddens on November 24, 2015 at 6:08am — 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,…

Continue

Added by Chris Laumer-Giddens on August 25, 2015 at 3:30am — 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…

Continue

Added by Chris Laumer-Giddens on September 17, 2014 at 1:32pm — 6 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,…

Continue

Added by Chris Laumer-Giddens on April 15, 2013 at 7:30am — 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 …

Continue

Added by Chris Laumer-Giddens on March 6, 2013 at 11:30am — 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…

Continue

Added by Chris Laumer-Giddens on August 15, 2012 at 3:15am — 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  …

Continue

Added by Chris Laumer-Giddens on August 13, 2012 at 4:00am — 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…

Continue

Added by Chris Laumer-Giddens on April 11, 2011 at 8:02am — 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…

Continue

Added by Chris Laumer-Giddens on March 21, 2011 at 4:30am — 5 Comments

Featured Forum Discussions

Too many BTU's. Too much horsepower?

Started by Steve in General Forum. Last reply by Horace Douglas Hunt, Jr. 1 hour ago. 1 Reply

Stack/wind pressure and flow networks.

Started by Daniel James Grundy in Training. Last reply by William H Nickerson on Tuesday. 2 Replies

BDT with vermiculite in hollow CMU walls?

Started by Brad Cook in General Forum. Last reply by Sean Lintow Sr Mar 15. 1 Reply

Strange IR Image

Started by Larry Nissman in General Forum. Last reply by Brad Cook Mar 9. 7 Replies

Videos

  • Add Videos
  • View All

Latest Activity

Profile IconB.J. Cassell, Scott Gigrich, Saint Xavier and 3 more joined Home Energy Pros
37 minutes ago
Horace Douglas Hunt, Jr. posted a status
"#Hers rating system or @_BPI_ and #DOE rating system? Whats your coice? #HVAC #Energy @resnetus #resnet #HomePerformance"
1 hour ago
Horace Douglas Hunt, Jr. posted a status
"#Blowerdoor testing provides an insight into how leaky your home is and where its pulling #contaminants from.If you dont test you dont know!"
1 hour ago
Horace Douglas Hunt, Jr. posted a status
"#Homeperformance = #Control... Home performance diagnostics and repairs can give you the control over your environment you seek! #HVAC #IAQ"
1 hour ago
Horace Douglas Hunt, Jr. replied to Steve's discussion Too many BTU's. Too much horsepower?
"If your space was designed for a 1.5 ton system, i find it hard to believe that you would consider…"
1 hour ago
B.J. Cassell liked Jeffrey Anthony's discussion Blower Door Kits
15 hours ago
Steve posted a discussion

Too many BTU's. Too much horsepower?

I have a 20 year old house with a 2 1/2 ton A/C for the lower floor and a 1 1/2 ton A/C for the…See More
15 hours ago
Jill Lindman posted an event

High Performance Mechanicals for Houses That Work at Tacoma Power

May 25, 2017 from 8:30am to 4:30pm
High Performance Mechanical Systems for Houses That Work is a mid-level, full day seminar geared…See More
16 hours ago

Home Energy Pros

Welcome to Home Energy Pros – the unique digital community by and for those who work in the home energy performance arena.

Home Energy Pros was founded by the developers of Home Energy Saver Pro (supported by the U.S. Department of Energy) and brought to you in partnership with Home Energy magazine.  Home Energy Pros is sponsored by the Better Buildings Residential Network. Please honor our Guidelines

© 2017   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service