tag: energy efficiency


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GE Aims to Bolster Alliance Between Smart Grid and Appliances

GE Aims to Bolster Alliance Between Smart Grid and Appliances

The Home Energy Management initiative is being designed to create a stronger identity for GE’s suite of appliances and energy-use tracking tools

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Free Download: Hot Water Chapter From The Cut Your Energy Bills Now eBook

Free Download: "Hot Water" Chapter From The "Cut Your Energy Bills Now" eBook

There are many ways you can save energy, and keep more money in your pocket, by improving your home's hot-water system. Read this FREE eBook chapter to get some great tips.

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Radiant Floor Heating: Can One Floor Heat Two Stories?

Radiant Floor Heating: Can One Floor Heat Two Stories?

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  Would a house be comfortable if you just heat the bottom floor?   With 6,000 heating degree days a year, Omaha, Nebraska, isn’t exactly balmy come mid-winter. If a ranch-style house has a radiant-floor heating...

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How to Retrofit A Radiant Barrier: Paint it On

How to Retrofit A Radiant Barrier: Paint it On

This 10 year old house didn't have a radiant barrier on the roof and replacing the plywood wasn't an option. We sprayed on Sherwin William E Barrier paint for an easy retrofit that should easily pay for itself with lower attic temperatures. Simple, affordable, easy. Pretty nice.

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Shaping Customer Perspectives on Energy Retrofits

Shaping Customer Perspectives on Energy Retrofits

Lawrence Berkeley National Lab studied the subject for weatherization program administrators. One tip when talking to homeowners: avoid the work retrofit

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Get 50% Off Admission to West Coast Green 2010

Get 50% Off Admission to West Coast Green 2010

We've been asked to offer a great deal on tickets to the world's leading interactive conference on green innovation for the built environment.

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Roof Top Rigid Foam - Taking Efficiency Through The Roof

Roof Top Rigid Foam - Taking Efficiency Through The Roof

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Over the last year I've really been working on how to get my houses to the next level of greater energy efficiency and this video will show you my latest secret. We're laying down a thick layer of rigid ISO foam boards on top of the roof.

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Whats the Best Way to Control Indoor-Air Quality and Humidity in a House?

What's the Best Way to Control Indoor-Air Quality and Humidity in a House?

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The tighter the house, the greater the need for whole-house ventilation. But what system would work best for your house?

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Finally, a foam gun that will last (I hope)

Finally, a foam gun that will last (I hope)

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Years ago, I grew tired of spending money on disposable cans of spray foam. With the exception of some of the newer multi-use throw-away cans (see a video here), I knew the reusable spray foam guns...

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Is Formaldehyde-Foam Insulation Safe?

Is Formaldehyde-Foam Insulation Safe?

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When high-performance builders talk about spray-foam insulation, they’re typically talking about polyurethane. But it turns out there’s more than one kind of spray foam used in...

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Q&A Spotlight: Getting a Fair Shake on a Green House

Q&A Spotlight: Getting a Fair Shake on a Green House

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Many people are having trouble getting loans to build better houses because appraisers and lenders won't put real value on energy efficiency and durability.

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Blower Door Testing Prior To Remodeling

Blower Door Testing Prior To Remodeling

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Blower Door testing is a way to measure how "tightly" your house was built. You're heard me preach about Build Tight, Ventilate Right. Well, this is the way we ensure that we've Built Tight. This essential test is required if we have any hope to tighten the building envelope while remodeling. In this video you'll see how it's performed and what can be learned. -Matt Risinger

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The Goldilocks Approach to Tight Houses: Is There A 'Just-Right' For Leakiness?

Many say "Tight houses need to breathe." To which, tight house advocates say "Where should I poke the hole, and how big should it be?"

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Solar Power Advocacy, with a Balk at the Nuclear Option

A utility watchdog in North Carolina touts solar as an economically viable alternative to nuclear power, while a Florida politician highlights solar’s jobs-generating potential

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Q&A Spotlight: Can Solar Heat Be Stored for Next Winter?

Q&A Spotlight: Can Solar Heat Be Stored for Next Winter?

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Solar collectors crank out plenty of hot water during the summer, and can even make some contribution to space heating in winter. But conventional solar systems can’t store enough heat to make...

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Lawsuit Highlights a Weatherization Safety Issue

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A case in Michigan serves as a reminder that encounters with potentially hazardous materials are common for retrofitters, including those working under the Weatherization Assistance Program

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Exploiting Heat and Photons in Solar Power Devices

Researchers at Stanford explore concepts for a solar cell that uses both photons and thermal energy for electricity generation

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Feeding Real-Time Data to Microsoft's Hohm

Blue Line Innovations’ PowerCost Monitor is designed to track Hohm subscribers’ energy use by the second

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Insulating behind a brick wall?

Insulating behind a brick wall?

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I audited a brick house this week. There's no insulation in the walls. The customer doesn't want to blow from the inside (b/c the inside walls are papered and they're concerned about how the finishes...

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Q&A Spotlight: How Do I Choose the Best Energy-Efficient Window?

Q&A Spotlight: How Do I Choose the Best Energy-Efficient Window?

1 comment

There was a time when opening, closing, and letting in light was all that any good window had to do. Nowadays, windows are anything but simple.

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showing 221 - 240 of 290 posts
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