All Energy-Expert Blogs (271)

TedxBoulder - James Brew - The Value of Energy Efficiency

James Brew discusses how small changes to your house can make huge changes in our environment.

Added by Diane Chojnowski on September 5, 2014 at 6:30am — No Comments

Living Comfortably: A Consumer’s Guide to Home Energy Upgrades

A weatherization worker drills holes to blow cellulose insulation in the interior walls of this home. | Photo courtesy of Dennis Schroeder, NREL

A weatherization worker drills holes to blow cellulose insulation in the interior walls of this home. | Photo courtesy of Dennis Schroeder, NREL…

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Added by Diane Chojnowski on August 29, 2014 at 8:00am — No Comments

Energy-Efficient Light Bulbs Compared with Traditional Incandescents

Energy-efficient light bulbs are available today and could save you about $50 per year in energy costs when you replace 15 traditional incandescent bulbs in your home.…

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Added by Diane Chojnowski on August 22, 2014 at 7:00am — No Comments

Tips: Water Heating

Keep your energy bills out of hot water. Insulate your water heater to save energy and money, or choose an on-demand hot water heater to save even more.

Keep your energy bills out of hot water. Insulate your water heater to save energy and money, or choose an on-demand hot water heater to save even more.

Water heating is the second largest energy expense in your home. It typically accounts for…

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Added by Diane Chojnowski on August 15, 2014 at 7:07am — No Comments

Case Study: Aiming for Net Zero Energy in Florida



The north side of the Parker-Shepperd house after remodeling. Note from the “before” photo (below) that sloped roof trusses were added to accommodate insulation and PV panels, and that an addition pushed out into the original front…

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Added by Diane Chojnowski on August 8, 2014 at 6:30am — No Comments

Case Study: Deep Energy Retrofit in Ohio



The Wilson-James family in front of their remodeled 1942 Cape Cod–style home.

Owners: Jeff Wilson and Sherri James

Location: Athens, Ohio

Climate Zone: Cold

Jeff and Sherri’s original plan was to buy a house in town, do a…

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Added by Diane Chojnowski on July 31, 2014 at 6:00am — No Comments

Energy 101: Lighting Choices

Lighting your house can be up to 10% of your electricity bill. Here are some good ways to save on lighting costs.

Added by Diane Chojnowski on July 15, 2014 at 8:30am — No Comments

Adding Insulation to an Existing Home

Understand how a structure such as a house works to create a comfortable interior environment and learn the ways insulation is added to an existing home.

Added by Diane Chojnowski on July 7, 2014 at 11:00am — No Comments

Case Study: Historic Home Gets a Remodel

If you’re a homeowner, whom do you call when you find mold in a closet and on the ceiling of a bathroom? How about when paint starts peeling on your dining room wall? Whom do you call when there’s standing water in your crawl space? Whom do you think to contact when it’s getting harder and more expensive to keep the house…

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Added by Diane Chojnowski on June 29, 2014 at 8:34am — No Comments

Case Study: Low-Pain Gain in California

In considering the electricity usage we wanted to offset, I imagined our 3,200-square-foot home’s energy performance would be at least modestly good since it was built under California’s progressive Title 24 energy code. Additionally, our climate zone in Oakland is mild and I considered my family to be energy efficient. I was in for a…

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Added by Diane Chojnowski on June 26, 2014 at 6:05am — No Comments

Ask Energy Saver

Temperatures are rising but your energy bills don't have to!



This month, Energy Department experts are answering your questions about saving energy during summer -- whether you want to know about more efficient ways to cool your home or the best air conditioner for your needs.…

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Added by Diane Chojnowski on June 19, 2014 at 5:30am — No Comments

Case Study: A Living Laboratory in California

The Beeler house at the time of purchase in 1998.

In 1997, George and Ellen Beeler “decided to get serious about living a green lifestyle.” This included living in town to reduce automobile fuel use and improving an existing house. George is an…

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Added by Diane Chojnowski on June 16, 2014 at 5:30am — No Comments

Tips: Landscaping

Buildings and Trees—Natural Partners. Deciduous trees planted on the south and west sides will help keep…

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Added by Diane Chojnowski on June 9, 2014 at 8:30am — No Comments

Conserving Energy with Your Basement

In an age where going green is crucial, not just for promoting good environmental practices, but also because of the social stigma that comes with not adhering to the newest environmental safety issues.  There are many different ways to help change the way that you utilize energy in your home, such as changing out your light bulbs, conserving water use, or recycling.

But there may be a room in your home that you have not taken into consideration when it comes to making your home more…

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Added by Michael Juba on June 3, 2014 at 1:00pm — No Comments

Case Study: Experiences in an All-LED Home

The kitchen is illuminated with ten 12W ceiling can lights. The two pendant lights are 3W LEDs. LED equivalents were not yet available for the fluorescent undercounter lights.

This all started in August 2010 when we…

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Added by Diane Chojnowski on June 2, 2014 at 6:30am — No Comments

Case Study: Pacifica Coastal Cottage

The Pacifica Coastal Cottage was built in 1934 by the current occupant's father, a couple hundred yards from the Pacific shoreline, south of San Francisco. The original 700 ft2 shack was added onto haphazardly over the years to a total of 1,503 square feet, and it grew to 1,706 square…

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Added by Diane Chojnowski on May 27, 2014 at 6:30am — No Comments

Work with Nature to Keep Your House Cool in Summer

The primary goal in cooling is to avoid experiencing heat. Keep the sun out, let cool breezes in, turn off your lights and appliances, and seek the coolest spot indoors or out. The summer sun is a potent heat source; it affects your house primarily on

  • the east side in the…
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Added by Diane Chojnowski on May 19, 2014 at 6:56am — No Comments

Case Study: Living off the Sun

From Alison Wiley, Diamond-Cut Life

One year into having our rooftop solar panels installed here in Portland Oregon, we’re living off the sun. That’s to say, we producing slightly more…

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Added by Diane Chojnowski on May 12, 2014 at 6:30am — No Comments

Financial Incentives

Even though most investments in energy efficiency pay for themselves many times over, finding the cash to do it isn't always easy. This problem is addressed by rebates provided by energy companies and others, creative mortgage products provided by banks, tax credits provided by state and federal government, and even cash incentives for scrapping…

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Added by Diane Chojnowski on May 5, 2014 at 6:30am — No Comments

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