All Blog Posts (1,013)

Home Performance and the Real Estate Market: A Perfect Match

If the home performance industry had an online dating profile, it would likely be looking for someone with a great network of friends that he could get to know. Home performance would also be looking for someone with a rich history (like himself), good looks that go beyond the surface, and someone who may be able to get some of his friends a job (hey, not everything in a relationship is about romance). Someone like the real estate market, for example. Unfortunately for home performance’s…

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Added by Macie Melendez on May 15, 2012 at 12:53pm — 4 Comments

A Tipping Point for Energy Efficiency?

In a post-foreclosure world, home buyers want homes that cost less to own - and energy efficient homes are the means to that end. …

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Added by Laura Reedy Stukel on May 15, 2012 at 9:39am — No Comments

Rooftops Provide Huge Opportunity For Solar Development

Los Angeles is a prime area for solar power, and its development space is growing. More than 12,000 acres are available on rooftops across the city, which could net families and business owners up to five gigawatts of power. This clean energy reduces oil dependency, helps the environment, and over time cuts energy costs. This broad new opportunity provides the perfect time for solar training.…

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Added by Fida Hossain on May 13, 2012 at 11:30pm — No Comments

Correctly Sizing a Capacitor

I don't know how many times a technician has said that they installed a part based on what was on their service truck.  I have heard of technicians wasting money over-sizing contactors, cutting down air filters, and even using controlled substances to clear condensate drains!  Of course, these scenarios all get the job done, but I would argue the many reasons why not to do these.  The one thing that gets to me is when a technician doesn't verify they are installing the correct size dual run…

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Added by Christopher Morin on May 13, 2012 at 11:43am — 2 Comments

How Does Air Conditioning Work

Author Note: Here's
 a link to the original post on
 Energy Auditing Blog. Also, it was written to prove that a Mainer does understand air conditioning, at least for the 9 days a year we need it.

 

It's time to turn to cooling thoughts, even though Maine didn't actually get a winter this year. It's true; we had an…

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Added by Erik North on May 12, 2012 at 1:00pm — No Comments

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

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