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The greenest electron is the one that never has to be produced, so on August 13, 2010, as temperatures soared to near triple digits in Portland and much of the Northwest, locally-based Pacific Power came out with its latest list of energy saving recommendations for beating the heat. Many of these seem pretty obvious, but sometimes the best technology suggestions are the simplest ones. So, what are some environmentally friendly ways to beat the summer heat?
First on Pacific Power’s list, as well as many other lists--like these suggestions from the EPA--is smart air conditioning. Ideally, avoiding air conditioning as much as possible would be the greenest solution, but at the current time, this would still not be practical in many situations. Future articles in this space will explore both more efficient air conditioning technologies and alternatives to them.
Since the A/C is not going away for most people anytime soon, it is best to know how to use it properly. It is generally optimal to set the A/C to about 78 degrees, and rather than turning it off when leaving home, it is usually better to keep it running, but set it to around 85. Some air conditioners have timer functions that allow temperatures to be raised automatically while away and then lowered again about 30 minutes before returning home. Appliance timers, such as this, are also available. Another option is installing a programmable thermostat, which is very quick and easy to do. Want proof? Watch the video at the end of this article.
Opening windows in the morning and evening to let in cool air is also a good way to cuts cooling needs, as long as windows can still be secured for personal safety. Blocking incoming sun with curtains and blinds, or these very hip, modern roller shades, which allow excellent outward views while reflecting most of the incoming heat, can be literally and figuratively quite cool, especially for south-facing windows.
Strategic tree planting is a longer-term way to reduce cooling bills, or if trees are planted in containers, they can be repositioned wherever needed. Other suggestions include using major heat generating appliances, like ovens (other than microwave ovens), dishwashers, and dryers mainly in the early morning or late at night. Summer is also a good time to consider upgrades to home insulation, as well as getting those new ENERGY STAR appliances and compact fluorescent lights.
These are just a few simple and low-tech tips to help everyone be green, save green, and stay cool this summer. Please share yours as well.
Future articles here will examine the higher-tech side of green cooling, including solar technologies that use the hot sun to keep temperatures nice and frosty.
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