Featured Blog Posts (510)

Soon photovoltaic from any materials

 The discovery of new materials for making cheap and efficient solar cells is the Holy Grail for solar panels industry. 

 Some recent findings represent a significant step towards achieving that goal.…

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Added by Gjorevski Saso on October 15, 2012 at 10:02am — No Comments

How Urban Development Impacts Energy Retrofit Programs

I grew up in Los Angeles, described as a true ‘post-modern’ city because it lacks a recognizable center. Sprawling in size, it developed as a cluster of independent destinations connected by a network of transportation lines. This is partially why the symmetric pattern of Twin Cities neighborhoods, while more common across the Midwest, is notable to me. A much older settlement, the Minneapolis-St Paul axis forms a central core, and the suburbs radiate outward in tiers. The first ring suburbs…

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Added by Jenny Edwards on October 15, 2012 at 7:29am — 1 Comment

Know Your Enervee Score: Energy Efficiency Made Easy

Back in May, I was looking to buy a new flat screen computer monitor for my home office. After spending ten minutes searching online, I found the best deals at J&R Electronics and decided to go down to their Sunnyvale store to make sure that I could find a model that would connect successfully to my MacBook Air laptop. I was overwhelmed by the vast selection of flat screen monitors and really had no idea which one to go for after I narrowed my search down to a 23" size monitor and a…

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Added by Alex Katzman on October 11, 2012 at 8:49am — No Comments

CA Title 24 will require RTUs to have automated fault detection and diagnostics

When your "check engine" light comes on in your car, your mechanic (or you, with a low-cost codes reader) can get a quick readout about the possible problem(s).  Now, CA's Title 24 will require something similar for Rooftop HVAC units by 2014.

See this article:…

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Added by Elizabeth Stuart on October 11, 2012 at 1:50pm — 2 Comments

What Is a Home Performance Contractor?

Lately we've been thinking about how readers who know nothing about Home Energy magazine, or home performance for that matter, would react if they stumbled upon our website. Yes, our magazine is aimed at home performance professionals, but what about the people that are just entering the profession? Or those that are thinking about it?

In an effort to help those individuals understand what our industry does, and how our magazine is connected, we came up with the following…

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Added by Home Energy Magazine on October 11, 2012 at 1:31pm — No Comments

Innovation and Design Thinking

Reposted from i.e., the Center for Energy and Environment's Innovation Exchange blog -- http://mncee.org/Innovation-Exchange/ie/

The business and technology worlds make much of innovation and how it will power the future. One process that has become popular as a means to foster innovation in companies is design thinking. Tim Brown, the CEO and president of …

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Added by Lester Shen on October 7, 2012 at 10:00am — 12 Comments

What does the the N factor stand for

I have a theory for what the N stands for in the N factor but really no clue. I understand what the n factor intends to do and how to use it but fail to understand how it applies in the real world and in particular to San Diego.

The N factor is a correction number that smooths the data for blower door numbers in multiple climate zones of homes of different size and height and brings the homes into a level playing field. We then can use this number…

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Added by Glen Gallo on October 6, 2012 at 11:20am — 7 Comments

One Millionth Home Weatherized

Today the National Association for State Community Services Programs (NASCSP) and the Community Action Partnership celebrated the one-millionth home weatherized nationwide since April 2009. Partnering with state and local…

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Added by Home Energy Magazine on September 27, 2012 at 4:01pm — No Comments

NASCSP National Carbon Trading Project

While attending the NASCSP conference last week in Atlanta, Georgia, the overall message was: How do we keep the Weatherization Assistance Program (WAP) relevant in the future? Also, how do we find more funding to keep our programs alive post-ARRA?

Along with a lot of brainstorming and industry conversation happening around the two questions posed above, NASCSP took one of the sessions to tell attendees about their initiatives for…

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Added by Macie Melendez on September 25, 2012 at 11:53am — No Comments

Real Numbers for a LEED for Homes Indiana Success Story

The Gulyas residence in Bloomington, Indiana was one of the first homes in Indiana to receive LEED for Homes Platinum certification. Through the use of passive house techniques and additional sustainable design strategies this project easily met and surpassed the criteria for LEED.



A home energy metric measuring energy per square foot calculation and spreadsheet was created by Allison Bailes III, PhD, to help effectively measure electric and gas usage in a house.…

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Added by Home Energy Magazine on September 25, 2012 at 11:51am — No Comments

Bundling of Products & Services - How to Survive and Grow A Home Performance Business in 2013 and Beyond?

Working with my customers and friends that are home performance contractors we always seem to be seeking answers to questions such as:

What will make my business survive in the short term?

What does it mean to run a successful home performance business?  

What can I do if my local utility rebates, tax credits, and programs change?

For the most part it is true that individuals and…

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Added by Roch Naleway on September 22, 2012 at 8:00am — 14 Comments

Women in Energy: Students

Reposted from i.e., the Center for Energy and Environment's Innovation Exchange blog -- http://mncee.org/Innovation-Exchange/ie/

Center for Energy and Environment research and programs focus on Minnesota buildings and homes, but advances in energy efficiency impact people all over the world. The…

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Added by Anna Jursik on September 17, 2012 at 9:00am — No Comments

Are there Home Performance Contractors in your area working together to promote their industry?

We have a pilot project kicked off here in Portland. Contractors have joined forces to evaluate lead generation resources.

These contractors are going to all pitch in money and try different lead generation services/marketing tools. They will evaluate what works and what doesn't and report back to their peers.

What a fantastic idea. I have a lot of ideas and can't wait to hear what the group has to share.

In Portland we have a unique mix of educated homeowners. Some want…

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Added by Tammy Kenworthy on September 14, 2012 at 11:11am — 8 Comments

Humidification: Forced-Air Systems

Months fly by, and it is closer to Fall in New England.  Soon most local Plumbing, Heating, and Cooling companies will be consumed with Fall maintenance programs.  I remember spending countless hours a week dealing with humidifiers, whether it was the old Skuttle drum style, the Aprilaire bypass version, or even the steam models that have actually been improved over the years - particularly Honeywell's Truesteam.  The one…

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Added by Christopher Morin on September 11, 2012 at 1:17pm — 4 Comments

A Pattern Language for Residential Energy Efficiency

Reposted from i.e., the Center for Energy and Environment's Innovation Exchange blog -- http://mncee.org/Innovation-Exchange/ie/

"The overall name of these interrelated structures is system. The motorcycle is a system. A real system. ...There's so much talk about the system. And so little understanding. That's all a motorcycle is, a system of concepts…

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Added by Lester Shen on September 10, 2012 at 8:30am — 8 Comments

The RETS Way to Green MLS

Those that are interested in a tipping point for residential energy efficiency often look to real estate, and Multiple Listing Services (MLS) as the Holy Grail.

Slowly but surely, one MLS at a time is adding fields for green features.  The last official count in 2010 showed that about 15% of the 850+ independently owned and operated MLS offered at least one green field.  Another 10% were planning to add fields. But anecdotal information since then indicates that some of the planning…

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Added by Laura Reedy Stukel on September 8, 2012 at 1:19pm — 4 Comments

Borrowing from solar thermal system - Why not use two tank systems with heat pump water heaters?

We are starting to roll out heat pump water heaters in the Pacific Northwest (Oregon, Washington, Idaho, Montana, and Wyoming).  One of the concerns we have in colder climates is the recovery time when the ambient air is cold. The lower the ambient temperature the less effective the heat pump water heater will be in generating hot water causing issues in households with more people, more bathrooms, and in colder months if the heat pump water heater is installed in garages or…

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Added by Roch Naleway on September 7, 2012 at 7:14pm — 40 Comments

Beyond the Cover—Q&A with Chuck Watkins, Veterans Green Jobs

The latest cover (right) of Home Energy features a photo of a man named Scott Willingham. Scott is pictured while working as part of the Veterans Green Jobs program, which trains veterans to work in the Weatherization Assistance Program (WAP), as well as other green jobs.

That cover photo leads readers to a…

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Added by Home Energy Magazine on September 5, 2012 at 3:37pm — No Comments

Editorial: The Rising Cost of Water

The chart below recently caught my attention (1). It shows the changes in prices over time of residential “utilities,” that is, electricity, natural gas, water and sewage, and telephones. My attention normally goes directly to the familiar energy utilities, electricity and natural gas. But wait! Water and sewage prices—they are typically billed together—have outstripped all others. The prices for water and sewage have been climbing so rapidly that water-related expenditures now exceed those…

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Added by Home Energy Magazine on September 4, 2012 at 2:00pm — 6 Comments

Home Energy Consumption for your region and your rates

Below is a post I published on calculating a home energy use by region using a tool my utility (Georgia Power) provided (made by Apogee).  It's a nice tool to show homeowners if their utility provides something similar.  It could help you validate how improvements to the home can help save energy.

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Added by Chris Kaiser on September 3, 2012 at 10:30am — 6 Comments

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