Air to Air heat exchangers: get fresh air, keep the energy inside

February 4, 2009 § 15 Comments

Air To Air Heat Exchangers for warm interiors, low heating bill

Homes of today follow a green and expense-cutting trend to reduce energy exchange with the environment, keeping a comfortable temperature inside and some money in the bank. But all that sealing actually makes the stall air inside a health treat to the house inhabitants. It can get very humid, due to the paints that prevent vapor exchange through the walls, VOC (volatile organic compounds – chemicals that offgas from paints, plastics, etc) loaded, naturally occuring Radon (Rn) gassesĀ  build up as well as mold and mildew. These problems can be solved by « Read the rest of this entry »

Waterless washing machine by Electrolux comes back in the news

August 28, 2007 § 2 Comments

waterless washing machine by Electrolux

Waterless Washing Machine Concept at Electrolux Design Lab 2005

Back in 2005 this was a concept at the ElectroLux Design Lab 2005 Award and won the competition but it’s only now that we can actually see it materialized into a prototype produced by Electrolux. Using negative ions (as noticed around waterfalls) and compressed air, it cleans « Read the rest of this entry »

Europe to follow AUS on switching off energy inefficient lights within three years

March 11, 2007 § Leave a comment

This is good news for the environmental conscious citizen as the global warming threatens life quality on earth. The 27 leaders of the European Union have decided that all member states will have to use energy efficient lighting till 2010. This comes as a little but important step in the EU’s struggle to cut off greenhouse gases 20% by 2020 – the new target approved by the EU leaders a few days ago.

The final statement of the agreement states that: “The European Council « Read the rest of this entry »

Led Bulbs, the next step in lighting

February 17, 2007 § 4 Comments

Led Bulbs, energy efficient lighting

Leds will be our future light-sources, we only wait for some waaay cheaper ones

Incandescent light bulbs have a relatively poor luminous efficacy and therefore are gradually being replaced in many applications by different lighting technologies like fluorescent lights, high-intensity discharge lamps, LEDs, and other devices. The thing that caught my attention to LED bulbs is their « Read the rest of this entry »

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