All Blog Posts (1,047)

Missed Opportunity? Energy Audits @ Home Purchase

It may be the…

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Added by Laura Reedy Stukel on May 8, 2012 at 9:30pm — 12 Comments

Spending on PV Equipment in Q2’12; Strong Growth Forecast from 2013 - 16

With the modern innovations made possible through technological breakthroughs, now occurring almost daily, many are becoming increasingly concerned with the negative impact these modern conveniences have on our environment. Never has there been a higher demand for individuals who have gone through solar panels sales training and possess NABCEP Certification.



Most people, when posed with the question of how they can make a positive difference on the environment, are sure to mention…

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Added by Fida Hossain on May 7, 2012 at 1:30am — No Comments

Realistic Expectations and "The Occupied Zone"

How many times as a technician have you gone out to the same customer's home because of unrealistic expectations?  Some homeowners expect air-conditioners to work like an ice box, want you to size them for their big party on Fourth of July weekend, and expect you to show up at the drop of a dime when it doesn't meet their impossible notion.  Of course, this could be avoided by establishing a standard during the sales process or a little customer education.  I liked to talk about "The…

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Added by Christopher Morin on May 5, 2012 at 8:07pm — 1 Comment

Solar Power Moving Forward at Light Speed

Just decades ago, solar power was an idea that had not yet reached its time. However, that has changed dramatically as the global community seeks alternative sources of power. The demand for solar energy rose 40% in just one year alone, making this renewable resource one of the fastest growing industries. The earning potential of businesses involving solar power could be astounding in the near future. Individuals qualified in the industry will no doubt have the advantage over their…

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Added by Fida Hossain on May 3, 2012 at 4:00am — No Comments

Editorial: Reflections on ACI

An industry's health is sometimes measured by the enthusiasm of its trade shows. Arguably, ACI is not a trade show, but it certainly is a bellwether for the home performance industry. And it rocked. By all measures, ACI was larger, broader, and more exciting than past conferences.

ACI continues to be a magnet for audiences ranging from contractors just starting out and receiving blower door training to engineers and building scientists. In this way, it serves as the premier…

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Added by Home Energy Magazine on May 1, 2012 at 10:34am — 5 Comments

Energy Efficiency Ratio (EER)

Energy Efficiency Ratio, or EER, is a way to exhibit how well an air-conditioner is operating based on the power being used.  Most homeowners are of course familiar with SEER, the ratio across an entire season.  Since SEER is tested at a "partial load", the EER is a more realistic number to use when figuring energy savings.  AHRI tests their EER of residential air-conditioners using 400 CFM per ton of airflow at 95F Outdoors / 80F Indoors and 67F Wet Bulb.  This compared to the SEER testing…

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Added by Christopher Morin on April 28, 2012 at 6:47pm — 6 Comments

The Electric Car Market Expands

However, it appears that these two companies aren't the only ones trying to get in on the electric car market; it was recently reported that Hyundai Heavy and Magna-E Car Systems have come together under an agreement to develop next-gen lithium ion batteries. Their goals reach far and wide, as Hyundai hopes to have 30% of the electric car market in Europe and North America at some point or another.



With this many car-makers trying to make their way into the electric car industry,…

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Added by Fida Hossain on April 26, 2012 at 11:02pm — No Comments

Energy Out West

The Energy Out West conference is held every other year and began in 1996 when a group of people doing weatherization work in the Northwest thought they could help each other do it better. The current president of Energy Out West (EOW) is Mimi Burbage, who should be familiar to readers of Home Energy and anyone in weatherization. Mimi brings that independent, Alaska, straight talk style to whatever she does, from heading the Alaska Housing Finance Corporation to her work for EOW.…

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Added by Home Energy Magazine on April 26, 2012 at 11:33am — 1 Comment

A Home Energy Rater or Building Analyst Class Is Just the Beginning

So, you're about to take a class to become a home energy rater or building analyst so you can go out and do energy audits. Maybe you've already taken a class and are out there trying to make a living at it now. You may be aware of this already, but…

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Added by Allison A. Bailes III on April 19, 2012 at 11:55am — 2 Comments

HVAC and DC Fan Motors

Here are links to my latest posts on how these motors can be used for retrofitting in existing HVAC systems.

HVAC Savings Upgrades – Cutting Fan Watts In Half or More 

In this post I cover how the savings can be dramatic, and the most important part is to get duct pressures low.…

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Added by Christopher Cadwell on April 19, 2012 at 6:14am — 2 Comments

ACI National Home Performance Conference: Setting the Pace for Change

This year ACI held its largest ever national home performance conference in Baltimore, Md.  It was the largest in the number of workshop sessions: over 195 sessions, in 25 thematic tracks; with the largest number of exhibitors (115) and sponsors (48).  

The three themes stood out: a) keep it simple (from the homeowners perspective); b) there is no silver bullet; and c) HVAC is jumping into home performance, maybe not head first, but at least with both feet in a measured…

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Added by Tom White on April 18, 2012 at 5:00am — No Comments

Non-Condensables? Are you sure?

  Non-condensables in a residential split air-conditioner can be, for most technicians, a pandora's box to diagnose.  Fortunately, there is a simple process that can identify this condition without spending hours and hundreds of dollars in virgin refrigerant.  I think we all are aware that R-22 has hit an all time high, so getting this right is more important than ever - if you want to retain your customer.

  There are several ways air and/or water vapor can enter a sealed system. …

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Added by Christopher Morin on April 15, 2012 at 11:30am — 2 Comments

Mind Set Change

03.20.2012

 

offthegridUSA                                                               

ENERGY AND ARCHITECTURE

Mind Set…

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Added by Barry NewDelman on April 12, 2012 at 3:00pm — No Comments

President Obama calls for a strategy "that relies less on foreign oil and more on American-made energy"

A strong commitment to the development of alternative energy has been made by President Barack Obama. In a recent radio address, the President called for a strategy "that relies less on foreign oil and more on American-made energy". These renewable energy sources, which include solar and wind power, will not only help wean the U.S. from fossil fuels, but create thousands of new American jobs. Solar training of these workers will be an important part in expanding alternative energy…

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Added by Fida Hossain on April 11, 2012 at 10:30pm — No Comments

How To Reduce Energy at Home

9 Steps to a More Energy Efficient Home and Lower Power Bills



How to reduce energy at home has gradually become a household desire as a result of high definition T.V.'s and homes the size of a castle. Throw in a struggling economy and the melt down of a nuclear plant and becoming more energy efficient seems like a great idea.

Our power bills rise as a result of increasing power costs and the need for more and more power to operate are power hungry homes and…

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Added by Don Ames on April 11, 2012 at 7:32pm — 2 Comments

5 Stats Your Next Client Must Hear

Energy auditors and retrofitters know that it’s hard to sell the benefits of energy efficiency to homeowners. But the truth is that energy efficient upgrades save homeowners money, help sell homes quicker, and yield a higher profit when on the real estate market.

Because it’s not always easy to explain industry ratings and scores to homeowners, auditors need to be armed with statistics to help convey their message. I’ve compiled six statistics that show the importance of energy…

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Added by Home Energy Magazine on April 10, 2012 at 1:55pm — 2 Comments

The Rise of Electric Vehicles in the United States

In 2009 stimulus money was granted for over $2 billion dollars by the government to set up training courses for professional mechanics and individual persons in regards to knowledge and repair training of the new electric vehicles. By 2015 the government of the United States would like to see an increase in the rate of electric vehicles on the road upwards to at least one million vehicles. Development of electric vehicles may answer some of this country's problems but it certainly will not…

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Added by Fida Hossain on April 10, 2012 at 4:00am — No Comments

Green Cipherin' - What's Slowing the Mainstreaming of Green Building, and What Homeowners Can Do about It

MLSs (Multiple Listing Services) across the country are unveiling “green-field addenda” (GFAs) and searchable fields to highlight green features.  …

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Added by Melissa Baldridge on April 9, 2012 at 7:00pm — 2 Comments

New England; HRV or ERV?

I remember installing some early version residential Energy Recovery Ventilators (ERV) and discovering a potential freezing issue.  Also, if I used only a Heat Recovery Ventilator (HRV) than I would be drying the air during the Winter, and adding significant latent load in the summer.  So, which one do I choose?  The homes are tight enough these days to require mechanical ventilation, and I would much rather a balanced ventilation system that I can control.…

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Added by Christopher Morin on April 9, 2012 at 10:30am — 2 Comments

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Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored 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.

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Rob Buchanan commented on Jose Macho's blog post Why Don't Homeowners Spend Money on Energy Saving Upgrades??? Blame "Cognitive Biases"
"I think this is an interesting comparison, but I would also want to know whether similar surveys…"
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Bob Blanchette commented on Jose Macho's blog post Why Don't Homeowners Spend Money on Energy Saving Upgrades??? Blame "Cognitive Biases"
"The bigger problem is the way water is billed. Most of the charges are a fixed monthly amount that…"
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John Nicholas replied to Elizabeth Guinn's discussion ERV in need of backflow preventer.
"First,  What is the 24/7 CFM requirement for your house?   Second,  What is the CFM…"
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2015 Habitat X Summer National Conference at Big Sky Resort

July 21, 2015 to July 23, 2015
The 2015 Habitat X Summer National Conference will take place at Big Sky Resort, just down the road…See More
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Marketing Energy Efficiency

Sharing ideas, tools and examples of promoting energy efficiency to consumersSee More
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Best Practices (Residential)

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what…See More
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