Posts Tagged: ‘energy efficiency’
Chilly English Apartments Due for an Upgrade
by Sarah Dowdey | November 3, 2010
One of the reasons I love reading Victorian novels during the winter is that they feel cold. How many of the stories feature a protagonist huddling in some drafty flat? Or a forgotten opium eater who’s frozen in his garret apartment? It makes me feel cozy by comparison when I’m curled up with a blanket in a well-insulated, well-heated home.
But perhaps I could read modern British fiction and catch a similar chill.
Sheep’s Wool Insulation: A Sweater for Your House
by Sarah Dowdey | October 5, 2010
Not much of the U.S. wool supply gets made into Donegal hats, Pendleton throws or $800 lamb vests. According to Fast Company, 90 percent of it is simply thrown out — too coarse to make cozy clothing or textiles.
A different way to build a house #58 – Virginia Tech’s LumenHaus
by Marshall Brain | September 13, 2010
Virginia Tech’s LumenHaus uses the sun’s light in several different ways. It provides light and passive heating inside the home, powers solar panels on the home and helps plants grow to recycle greywater…
Biofuels Become More Efficient; Binge on Whiskey
by Allison Loudermilk | August 23, 2010
The world of biofuels is abuzz these days with new innovations. First up, an intrepid metabolic engineer from the University of Illinois has stepped up to the challenge of efficiently developing biofuels. And that’s great because while we keep coming up with ideas for feedstock — or things that we can turn into biofuel like corn or switchgrass or butter(!) — we’re having a hard time balancing the energy equation in terms of efficient production.
Do you drive a hybrid vehicle that feeds you every kind of stat imaginable on your mileage consumption? Or maybe just a run-of-the-mill beater that grudgingly displays your miles per gallon? Either way, you’re interacting with persuasive technology. Even if you opt for public transportation, chances are you’re encountering persuasive technology. And those technologies are trying hard to change the way we consume energy.
Like the term suggests, persuasive technology encompasses anything that aims to change people’s beliefs and behaviors — be it a dashboard display, a smart meter or a video game.
I’ve been reading about energy transference in animals of late, and the data clashes in interesting ways with the current state of our electrical grid and our hopes for a smart grid future. It’s tempting to run to the biomimetic principle of “nature always designs it better” and look to the animal and plant worlds for energy efficient inspiration. But when you look closer, you start running into trouble.
Plant Energy vs. Animal Energy
Plants that get their energy directly from the sun (through photosynthesis) are the most energy-efficient organisms on the planet. They absorb a renewable energy source and use or store all of it. That’s the bottom of the food chain — the base of the pyramid.
How to Air Condition Your Home and Not Sweat the Cost
by Cristen Conger | June 10, 2009
I’ve caved to the summer heat. For a while, I was determined to fight the good fight by turning on fans, wearing shorts and sandals exclusively and leaving doors ajar to let the fresh breezes blow in. But when I trudged inside after mowing the lawn and was greeted by a blanket of warm, stale air, I hit my breaking point. Finally, reluctantly, I’ve turned on my air conditioner. And in exchange, the prospect of skyrocketing energy bills haunts me.
If you’ve noticed your power bill creeping up in recent weeks, you aren’t crazy. The kilowatt per hour rate, the pricing unit for electricity, is going up as summer energy rates set in. Moreover, Energy Star states that the average household shells out $1,000 per year on home heating and cooling, which sends shivers down my spine.
But there are ways to stay comfortably cool indoors without going broke. You can’t live in arctic conditions, but you won’t have to swelter through the night, either. Start out by setting the thermostat to 78 degrees, which most energy experts advsie as the optimal summer temperature. Then, follow the five tips below to shave off more kilowatt hours from your next power bill.
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