All Blog Posts (900)

Energy Savings to the Cloud

You may have noticed the term 'cloud' or 'cloud computing' circulating around popular media. This has become an increasingly popular term and is used quite frequently by Microsoft in their recent advertising campaigns in order to create buzz. Although it is a widely used term it is not a widely understood concept. What makes cloud computing unique, or how does it work? Is it just a new term that means the internet or online?



According to Wikipedia cloud computing is web-based…

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Added by Silas Inman on November 1, 2010 at 2:00pm — 4 Comments

Manage Heating with Awareness

It is commonly known that heat rises, if you need an example, open your freezer and see where the cold air goes. This same principle applies to hot air balloons; the hot air causes the balloon to rise. Many home performance professionals understand what this means for a home in the winter. Unfortunately, the average consumer may not understand how important this concept is. On average 60% of heat escapes through the roof of a house, attic or roof insulation can go a long way in reducing…

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Added by Silas Inman on November 1, 2010 at 9:00am — No Comments

Check out the latest WxTV episodes

Several new episodes of WxTV are up for viewing. If you haven't taken a bit of time to check WxTV, now's your chance! Just go to our website at: www.weatherization.org/wxtv and choose any of the episodes there. We love to get feedback and find out what you want to see, so don't be shy.



Thanks to Jim and the Home Energy Magazine group for inviting us to participate in this group - a great magazine and a fantastic group of folks.… Continue

Added by Ben Cichowski on October 29, 2010 at 12:25pm — No Comments

Leslie Gets Weatherized



Ben Bustamante works on Leslie's house. Photo by Leslie Jackson





When Home Energy’s part-time Associate Editor Leslie Jackson got home from a trip to New Orleans, where she did research on the rebuilding since Hurricane Katrina, she got a message on her phone. It was…

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Added by Jim Gunshinan on October 29, 2010 at 11:00am — No Comments

Home energy management

I would call myself an advanced amateur at hardware/software solutions for home energy management. I experiment with various ways to remotely monitor sensors and I am particularly interested in ways to make it affordable and meaningful to track energy usage, down to the appliance level, within a residential environment.


My current system uses three power sensors and one temperature sensor (solar powered), all wireless using the zigbee protocol. They are polled by a low…
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Added by Chris Jefferies on October 27, 2010 at 12:28pm — No Comments

Kermit was Right: It's NOT Easy Being Green

Download a more fully fleshed-out and illustrated version of this saga here.

It’s not easy being Green … even if you have a Ph.D. in the subject. Kermit was right, but I’m on a mission to prove him wrong.



Moving to a new home in mid-2008 presented a…

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Added by Evan Mills on October 26, 2010 at 1:30pm — 7 Comments

The Groundbreaking New Georgia State Energy Code

Georgia state energy code and the 2009 IECC Yesterday I went to the Georgia Department of Community Affairs (DCA) for a meeting of the State Codes Advisory Committee (SCAC). Wait, wait, don't leave yet! I promise there's good stuff in here.

OK, let's try that again.

Yesterday I saw a bunch of guys sitting around a table make a groundbreaking decision that will alter the lives of home builders, energy raters, and utility customers. Yes, I'm talking about the great work done by the…

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Added by Allison A. Bailes III on October 26, 2010 at 9:00am — 3 Comments

Energy leveraging for weatherization agencies

I'm in St. Petersburg, Florida, attending the National

Community Action Foundation and Community Investment Futures Energy

Conference
. Today is the conference kick-off and I'm looking

forward to learning more about how community action agencies (CAA's),

the prime movers of the US DOE weatherization program, are using energy

leveraging… Continue

Added by Tom White on October 25, 2010 at 8:30am — 5 Comments

Charging Stations for Electric Cars: Forming the future

As charging stations for electric cars become more widespread so will the use of electric vehicles. But the future is not based solely on building these charging stations for electric cars, rather on the advanced technology employed in them.

Smart charging for millions of cars

Charging stations for electric cars offer multiple charging possibilities to vehicles throughout the whole day. In many charging stations for electric cars today you simply plug in and begin to…

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Added by James E. Ragland on October 23, 2010 at 3:30am — No Comments

Efficiency Lives -- The Rebound Effect Not So Much

While the following discussion (originally published in Climate Progress) extends to energy opportunities well outside the residential sphere, it's the latest example an overstatement of the so-called "Rebound Effect". Although there are certainly times that a portion of the…

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Added by Evan Mills on October 22, 2010 at 11:30am — 2 Comments

Window Shade Study Shows Positive Results

(This is from Robb Aldrich of Steven Winter Associates.)



It’s no secret that windows are a liability when it comes to heat loss in homes. Conductance of quality insulated, low-e windows is typically 0.30-0.35 Btu/ft2hr°F, or about R-3. If installed in a wall that performs at R-20, heat lost through windows is 6-7 times higher (per unit area) than heat loss through the rest of the wall.…

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Added by Jim Gunshinan on October 20, 2010 at 12:52pm — No Comments

Home Performance Business—Getting In the Door



There is a hot and heavy dialogue taking place in an online group that I belong to, made up mostly of people who are in the business of auditing homes and then making homes more energy efficient, healthy, and comfortable. The main gist of the discussion is, Do we rely on the government to encourage people to make their homes more efficient, or is it up to the market? Does this sound familiar? Tune into any election debate in the…

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Added by Jim Gunshinan on October 19, 2010 at 12:56pm — No Comments

The Seattle Permaculture Convergence, 2010

Wikipedia’s definition of permaculture works. It’s a fancy word to describe biology, but complex enough that there are certification systems for it all over the world, workshops, and events such as the Northwest Permaculture Convergence, which was in Seattle Washington over the weekend of September 15 and 16. Three hundred people… Continue

Added by Leslie Jackson on October 13, 2010 at 9:45am — 1 Comment

Across the Green Home Spectrum

Two weeks ago I was in Charleston, South Carolina for a meeting of the National Association of State Community Services Programs (NASCSP). Last week I stopped by West Coast Green taking place at Fort Mason Center in San Francisco. NASCSP is a group of state managers for the Department of Energy’s Weatherization Assistance Program (WAP) for low-income families. West Coast Green is an interactive conference focusing on innovation for the built environment. From crawlspaces to sheep’s wool… Continue

Added by Jim Gunshinan on October 5, 2010 at 11:30am — No Comments

Welcome to Home Energy Pros!

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



It is no secret that we are on the cusp of a major transformation in how energy efficiency is deployed in the housing sector. After all, the U.S. President even went on television in a major…
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Added by Evan Mills on October 4, 2010 at 5:00am — 3 Comments

ERVs Get The Yellow Flag



As we make homes tighter, we need to provide ventilation, which costs energy. One way to reduce the energy impact of that ventilation is to use an air-to-air heat recovery system. A heat recovery ventilator (HRV) recovers sensible heat by exchanging heat between incoming and outgoing airstreams. An energy recovery ventilator (ERV) is similar to an HRV but also allows moisture to be exchanged.…

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Added by Home Energy Magazine on September 1, 2010 at 11:00am — No Comments

A Cottage Industry with High Electricity Use

Can growing marijuana change the way homes use electricity? In rural Humboldt County, in far-northern California, there’s no doubt that it can. Figure 1 tracks average monthly residential electricity use in Humboldt County and in California. Until the mid-1990s, these two values were almost identical. But after 1996, Humboldt County’s electricity use suddenly turned upward. What happened? In 1996, California voters passed Proposition 215, which legalized the medical use of marijuana. In… Continue

Added by Home Energy Magazine on July 1, 2010 at 4:30pm — No Comments

Targeting the High Users

Homes with high energy consumption are likely to provide us more opportunities to save energy. If that’s true, then why don’t we see more programs and businesses geared toward the high users?



Regulatory authorities discourage utilities from creating programs targeting the high users. It is politically unpopular for utility programs funded by ratepayers to support the wealthy. High users, the logic goes, are probably wealthy and therefore able to save energy…
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Added by Home Energy Magazine on May 1, 2010 at 4:30pm — No Comments

Home Energy Monitors

Home Energy Monitors, that is, devices that display a home’s energy consumption have been touted as Silicon Valley’s contribution to the national energy conservation effort. A Home Energy Monitor (or HEM) constantly informs the occupants of their home’s electricity and gas consumption, along with conversions to monthly costs and comparisons with previous periods. Some models can (or will) communicate with heating and air conditioning systems. These devices will…

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Added by Home Energy Magazine on March 1, 2010 at 2:00pm — No Comments

LEDs: Avoiding the CFL Debacle

The lighting efficacies of LEDs have been rising steadily and are poised to overtake CFLs. Fluorescents and CFLs still outshine LEDs with respect to general applications and cost of light, but LEDs are already superior for some niche applications and offer many new exciting illumination opportunities. Now we need to ensure that the reputation of this new energysaving lighting source won’t be undermined by a tidal wave of shoddy products. Tests for quality, efficiency, and durability of LEDs… Continue

Added by Home Energy Magazine on January 1, 2010 at 2:00pm — 1 Comment

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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.

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Whole House Fans - Love 'Em or Not?

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12 Things Every Home Performance Contractor Should Have on Their Work Truck

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