Lenovo has released a range of new LCD monitors that are probably the greenest monitors available. The new Thinkvision L2440x monitor received Greenpeace’s highest rating in their Green Electronics Survey 2008 (PDF File). Recently, I had a chance to review the Thinkvision L2440p 24″ widescreen LCD monitor. The L2440p uses only 30 watts to power… [Continue Reading]
2010 Review Of Tankless Water Heaters
January 11, 2009 by 82 Comments
Tankless water heaters have been used in Europe and Asia for 50 years, and they are gaining popularity in the US. Right now they represent about 8% of new sales in the US. Tankless heaters, also called on-demand, flash or instant water heaters, qualify for a $300 federal tax credit. How efficient are tankless water… [Continue Reading]
Efficient Unified Bathroom Theory
January 5, 2009 by 10 Comments
Overview A meta-efficient design for a bathroom.
A Unified Meta-Theory Of Design
January 5, 2009 by Leave a Comment
A Unified Meta-Theory Of Design combining optimization theory, green design theory, universal theory, design pattern theory, and zen theory. Meta-efficient in 2009.
The Best 12V Solar Battery Chargers
January 1, 2009 by 16 Comments
Note: This post on 12V Solar Battery Chargers has been updated for 2010. Solar cells really shine at charging your batteries at remote location or on a boat. They are also useful for maintaining a charge on a 12V battery, such as a car battery. The best (and most expensive) solar battery chargers are flexible,… [Continue Reading]
The Highest Capacity Rechargeable AA Batteries
December 18, 2008 by 8 Comments
For powering high-drain electronics such as digital cameras, the most efficient batteries to use are high-capacity Nickel Metal Hydride (NiMH) cells. Higher capacity batteries store more charge and they can power your devices longer.
The Three Fundamental Flaws Of The Modern Toilet
December 11, 2008 by 45 Comments
My unwinking, analytical gaze of efficiency now turns to the toilet. Unfortunately, the design of the modern Western toilet is highly inefficient, in fact, it is so inefficient that it is actually harming our health. The modern toilet has only been around for about 150 years — the “porcelain throne” was created to “give dignity”… [Continue Reading]
Green LA Girl Joins MetaEfficient
December 8, 2008 by 5 Comments
We are happy to announce that Siel Ju, noted green writer, will be joining MetaEfficient. Siel runs her own site Green LA Girl, and she has also written for Treehugger, Lime and Worldchanging.
New LED Light Bulbs Can Replace 100W Incandescents
November 30, 2008 by 35 Comments
Update: See our latest post on LED Light Bulbs For The Home. I recently had the chance to test two state-of-the-art LED light bulbs from EarthLED. LED bulbs have many advantages over incandescents and compact fluorescent: they use very little power, they last 10 years or more, and they contain no hazardous substances. They are… [Continue Reading]
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