All Blog Posts (994)

Notable Results in AC Training

The final survey results of the second week of students in the High Performance HVAC classes.
Here are some notable results of what the students felt that they got out of the course.
  • How to reduce # of registers while improving comfort. 
  • Importance of velocity - amount needed to properly mix air.
  • How to select register types to control noise and performance. 
  • Whole house as…
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Added by Christopher Cadwell on November 27, 2011 at 9:00pm — No Comments

Gas Heaters or Electric Heaters - which one for home?

There are plenty of concerns arising when deciding which home heating solution to invest in.

The market is full of options offering so many types of space heating devices one starts to wonder which one is the best choice. Usually the types considered vary from: portable gas heaters to electric space heaters like infrared heaters, ceramic heaters or portable oil-filled radiators.

There is no rule of a thumb answer for this but what I like to do is to approach the problem from…

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Added by Jon on November 27, 2011 at 7:00pm — No Comments

Solar Power Panel and the Pergola

Getting the Most out of Your Pergola, Think Solar Power Panel

by Don Ames,   www.detectenergy.com

Sitting in a meeting the other day, I was listening to a discussion on where to put half-a-million dollars worth of solar power panels. The discussion considered placing panels on roofs, on picnic shelters, and carports - it's not easy trying to find a place for a bunch of solar panels. After all, there are things to keep…

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Added by Don Ames on November 27, 2011 at 10:20am — 2 Comments

Why free energy perpetual motion devices don't work

The following appeared on my blog Mapawatt and is in response to the "free energy plans" that have infiltrated Google and Facebook advertisements. I'm afraid a large number of people get suckered into buying these and are left with junk.

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It still amazes me that with all our posts dedicated to trying to help homeowners save energy, our most popular posts are on free energy scams (mainly…

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Added by Chris Kaiser on November 25, 2011 at 2:49pm — 1 Comment

passivhaus Newsletter

bre passivhaus newsletter

Added by Guido Schuler on November 25, 2011 at 5:39am — No Comments

Zero Duct Leakage - Yes it is Possible.

What does this mean? How can we get to zero duct leakage?

 

When the testing equipment is not small enough to accurately measure the leakage - then it is called zero - usually below 10 CFM of leakage.

Essentially every seam of all the metal and every inside connection of the…

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Added by Christopher Cadwell on November 22, 2011 at 10:30pm — No Comments

window Films

Does anyone have experience with window films installed over e-glass? Is there a payback on south facing windows during the hot summer months? Or would transparent shades work better?

Added by Ron Lessard on November 22, 2011 at 9:34pm — 1 Comment

Homeowners Becoming More Aware of Pending Lighting Changes

Consumers will soon face new decisions when purchasing light bulbs, and many don't even know it yet. Beginning January 1, 2012, lighting manufacturers will no longer be producing the popular 100-watt incandescent light bulb. For professionals in the energy efficiency industry, this has been common knowledge since the passage of the Energy Independence and Security Act of 2007. Although many consumers have been slow to understand the pending changes, awareness is trending upward, according to…

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Added by Adam Flowers on November 22, 2011 at 5:59pm — No Comments

Free Energy Measures

This is one of my "Energy Tip of the Week" articles. If you are an energy pro please add to my free energy measures list below, thanks.



Here are some great FREE ways to make your home more energy efficient and comfortable.

  1. Close your windows. Sound simple but you have to close AND lock a window for it to protect your home from incoming winter air. This applies to storm windows too.
  2. Use window…
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Added by Joseph Novella on November 22, 2011 at 1:00pm — 1 Comment

Another Week of Awesome AC Training

Another week ahead with the master HVAC installer and trainer - Rick Chitwood.

This is no ordinary course room.* This is the house about to be retrofitted. We just got through the day of reasoning on the background as to why we install AC in…

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Added by Christopher Cadwell on November 22, 2011 at 6:30am — No Comments

NAR Study: Homebuyers Consistently Seek Efficiency

The National Association of Realtors’ annual Profile of Home Buyers/Sellers is out.  The 2011 results are impressive not because of anything new, but because of consistent results about homebuyer interest in…

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Added by Laura Reedy Stukel on November 21, 2011 at 8:30am — No Comments

2012 are the days of passive house between the 9th and 11 November 2012

2012 are the days of passive house between the 9th and 11 November 2012

Added by Guido Schuler on November 21, 2011 at 2:55am — No Comments

Calculating Potential Energy Savings

Your Home: Calculating Potential Energy Savings With the Home Heating Index

by Don Ames,   www.detectenergy.com,  the Energy Spy Insider

This is about taking a miles-per-gallon approach to calculating Home Heating Performance and Potential Home Energy Savings. I will cover the Home Heating Index formula that will allow you to evaluate your Energy Performance and Energy Saving Potential. By using this…

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Added by Don Ames on November 20, 2011 at 8:20pm — No Comments

“Passive House components across the globe” – manufacturer’s exchange

2012 International Passive House Conference

“Passive House components across the globe” – manufacturer’s exchange

Passive House has taken the world by storm, dramatically increasing demand for Passive House suitable products in all corners of the globe. In order to help meet this demand, we would like to offer participants of the 2012 International Passive House Conference a Manufacturer’s exchange, to be held at the Hanover Congress Centre…

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Added by Guido Schuler on November 20, 2011 at 6:30am — No Comments

Energy Myths

 

I am NOT a blogger and this is my first post (could be my last).

A very good friemd mine who lives in Chicago has an "urban Rehabber program" wher he teaches newbies and thse with little experience on how to become more profitable in the Rehab sector. As an Energy advocate archiect, I get his posts.

Here is one about MYTHS I thought some of you may be interested in (Just the messenger not the author)



More…

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Added by Barry NewDelman on November 19, 2011 at 11:00am — 7 Comments

Super Efficient HVAC is Easy

Attending a week long class where veteran trainer Rick Chitwood is moderator has been entertaining and joyful. In the class which is inside a house that is being retrofit completely we are now designing and installing a super efficient HVAC system.…



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Added by Christopher Cadwell on November 17, 2011 at 9:30pm — 9 Comments

What's Wrong with This Garage Door Insulation?

by Don Ames

If you don't want to read the whole article, at least go to the bottom of the page and watch the screen cast. Take a look at some real effective garage door insulation. No, I didn't make this up.…

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Added by Don Ames on November 13, 2011 at 9:30pm — 9 Comments

Weatherization works: Recent reports are way off base

By Guest Blogger Stephen L. Cowell

A recent article in Newsweek, “Obama’s Big Green Mess,”describes what can happen when contractors are “unfamiliar with the nuances of specialized weatherization work.”  The fact is, installing furnaces that exhaust poisonous fumes, putting in…

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Added by Elisa Wood on November 11, 2011 at 6:25am — 4 Comments

Jumping the Hurdles to a Green MLS

Sean Smith was the man in the middle. – a key figure with a foot in both worlds of business and “green.” 

 

A high-end general contractor, he built two LEED-certified homes in the Washington Park neighborhood of Denver in 2009.  At an educational session he hosted there, the U.S. Green Building Council approached him to serve on a committee.  “If you’re doing big-picture things, I’m all over it,” he told them.

 

At a subsequent meeting at the Governor’s Energy…

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Added by Melissa Baldridge on November 10, 2011 at 8:49am — 6 Comments

Efficiency - What's missing, maybe?

What can we learn and use from world class organizations, and how they got there? How does this apply to energy efficiency rating and auditing?

The bottom line: They produced and sold what the customer actually wanted and was willing to pay for. There are a lot of other things they did, but all complexities funneled back into the purpose of delivering something…

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Added by Christopher Cadwell on November 9, 2011 at 8:00am — 2 Comments

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