Fritz, In Sweden we have a frame with a normal window that you can open. Beside we will have ventilation "window" 200-250 mm wide with insulation and a wooden plate and insect protection in the space. This will supply the fresh air and the ventilation sucks out the old trough a heat pump that produces warm water for hot water supply and radiators when the hot water reaches the limit 42-43 degree C, which is the maximum you get from heat pumps. The hot (warm) water deposit is large 300 to 500 liter for a family, because the relative low temperature. Very efficient system and keeps the costs low.
We are used to build with windbreaker and vapor barrier and it works very well in cold climates, where the inside air is almost always heated and therefore dry (Molliere effect). Sweden does not have power failures and if it has, they only last minutes. In city environment, you will never have a power outage that is longer than half an hour. At the country side, I have experienced power failure as long as 6 hours, but they are very unusual. Since many houses are dependent on electricity for heating, a long power failure when it is -25 C, would destroy all the piping etc. If you have longer outage, get an emergency generator and thanks to the heat pumps, it will be feasible due to that you only need 1/3 of the energy that you need without heat pumps. I am not talking about odd design criteria, but about generally used equipments in homes that are 20 year old or refurbished within that period. This is why it is so large differences in average energy use, compared to US and Canada. Sweden is also on top on the world living standard, followed by the Nordic countries, shifting places on different aspects, I think that US and Canada are placed at the end of the top 10 list, you can look at the UN statistic. It is due to good engineering and Building Codes, I was active in this during the period when it all was developed. We had a climate simulation software and did a lot of simulation for the development of the Building Codes. This particular software shared the first price in its field with the NASA software for climate in space capsules, in a competition 1976. Hakan At 21:04 06/06/2006, you wrote: >Hakan, >these very insulation standards making Vapourbarriers an >Windbarriers a must and Thats what is no good! >Than your special ventilation Windows,if you want to say Tilt and >Turn windows,i agree,thats what i am making! I dont agree with >3Layers of glass sinze you cut down on Sunligth too (Plants will die >with triple Glass).One can achiefe a similar or better Insulation in >increasing the Airspace and using Low E Technologie! >The problem with mechanical Air make up is often when Powerfailiers >occour and a possible contamination of Air duckts! So i personally >prefere Ventilation by Windows > >Fritz >----- Original Message ----- >From: <mailto:[EMAIL PROTECTED]>Hakan Falk >To: <mailto:biofuel@sustainablelists.org>biofuel@sustainablelists.org >Sent: Tuesday, June 06, 2006 8:51 AM >Subject: Re: [Biofuel] R-2000 program gets mixed reviews > > >Fritz, > >I agree with you, but it has very little to do with the insulation >standard. In Sweden we have special ventilation "windows", and often >mechanical ventilation with heat pump recuperation, very energy >efficient even for one family homes. The ventilation windows are used >for the rapid room ventilation that you want during cleaning etc. >Windows are also three glass in the new 1978 standards, in which we >were partially involved. > >After the 1973 crises, we participated in calculating several >experiment houses, with our simulation software, some of them with >insufficient ventilation and health, mold problems, etc. The result, >among other things, were the ventilation/heat pump recuperation >units, which also produces hot water, that now are available from all >major suppliers and frequently used. There are also more advanced >solutions with storage recuperation. > >The R-2000 is a good standard and quite optimized, higher insulation >standard is very difficult to make functionally working and/or cost effective. >. >Hakan > >At 13:17 06/06/2006, you wrote: > >Hakan, > >the thing is not about controlled Ventilation,but more about > >mechanical controlled Ventilation! > >Here the replaced20 years ago Windows in our local Schools to > >install mosttly Fix Panes with very little openings on the Bottoms > >of the fixed Panes,to find out after 10 Years of use,that the > >Airducts hade all beeing contaminated! now they ripped everything > >out and call for new Windows.And guess who is the Architect... the > >same guy who did the job at first.At the time he dismissed my > >arguments about proper Ventilation and called me outdatad since in > >modern times Ventilation is done mechanical.Today they call for PVC > >Windows!How can you figth stupidity? > >Fritz > >----- Original Message ----- > >From: > <<mailto:[EMAIL PROTECTED]>Hakan>mailto:[EMAIL PROTECTED]>Hakan > Falk > >To: > <<mailto:biofuel@sustainablelists.org>biofuel@sustainablelists.org>mailto:biofuel@sustainablelists.org>biofuel@sustainablelists.org > >Sent: Tuesday, June 06, 2006 4:55 AM > >Subject: Re: [Biofuel] R-2000 program gets mixed reviews > > > > > >Who said that you should not use controlled ventilation and proper > >construction? > > > >Hakan > > > >At 16:49 05/06/2006, you wrote: > > >Hi Guys; > > > > > >I had also heard that sealing up a house that tight leads to indoor air > > >quality issues (especially if the ubiquitous OSB and MDFB materials are > > >used along with all the carpet, and other textiles that are offgassing > > >VOC's for a few years)and then heat exchangers are needed to recover > > >heat from exhaust air and in the end it is not a great idea all things > > >considered. I am enrolled in a course this summer on how to build a > > >house from straw bales. I am also interested in what you talked about > > >Fritz. I have also heard about rammed earth construction but don't know > > >anything about it. I wonder if it is even suitable for cold climates?? > > > > > >Joe > > > > > >Fritz Friesinger wrote: > > > > Hi Darryl, > > > > the R2000 Code wich says beside others :houses constructed using > > > > airtight seals and thick insulation that > > > > keeps heat from leaking away.... > > > > is not the very best way of constructing a energie efficient > > > > Home,because those Homes require forced Air Heating/Cooling! > > > > In Northamerica the Magic Formula seemes to be airtigth > wrapings outside > > > > and Vaporbarriers inside the House,but the most energie > efficient houses > > > > are Homes built with natural Materials who dont reqire Vaporbarriers > > > > (Cob- Log-or Straw houses) > > > > Myself i am trying to get people interestet in my project of building > > > > homes with double Log Walls from Larchwood (very cheep > availible) filled > > > > with natural Insulation wich keeps the Wall breeding.The key is not to > > > > produce a thawpoint! > > > > This technique gives a totally natural Klimate in the home,better tha a > > > > handcraftet Loghome! > > > > I got sofare the major equipment together the Place/Workshop,but the > > > > constant Cashflow problem is slowly killing me! > > > > The conclusion therefore is,nowbody is interestet in good workmanship > > > > and good technique,everything is measured on quick return and spend al > > > > least to get the most!And this is the real american way of life! > > > > If you want to see my Portfolio go to > > > <<http://www.traditionalwoodwork.ca>www.traditionalwoodwork.ca>http://www.traditionalwoodwork.ca>www.traditionalwoodwork.ca > > > > <http://www.traditionalwoodwork.ca> > > > > Fritz > > > > > > > > ----- Original Message ----- > > > > *From:* Darryl McMahon > > > <<<mailto:[EMAIL PROTECTED]>mailto:[EMAIL PROTECTED]>mailto:[EMAIL > PROTECTED]>mailto:[EMAIL PROTECTED]> > > > > *To:* > > > <<mailto:Biofuel@sustainablelists.org>Biofuel@sustainablelists.org>mailto:Biofuel@sustainablelists.org>Biofuel@sustainablelists.org > > > > <mailto:Biofuel@sustainablelists.org> > > > > *Sent:* Sunday, June 04, 2006 11:43 AM > > > > *Subject:* [Biofuel] R-2000 program gets mixed reviews > > > > > > > > R-2000 is the house construction standard developed in > Canada decades > > > > ago to minimize energy use via insulation, > weather-sealing and other > > > > technologies. Uptake has been minimal. Last I heard, less > > than 1/2 of > > > > one percent of new home construction in Canada meets this standard. > > > > Pity, because study after study shows it reduces > life-time ownership > > > > costs, and would make a huge difference in making > Canadians somewhat > > > > less of energy pigs. > > > > > > > > ===================================== > > > > > > > <<http://cnews.canoe.ca/CNEWS/Politics/2006/05/28/pf-1602659.html>http://cnews.canoe.ca/CNEWS/Politics/2006/05/28/pf-1602659.html>http://cnews.canoe.ca/CNEWS/Politics/2006/05/28/pf-1602659.html>http://cnews.canoe.ca/CNEWS/Politics/2006/05/28/pf-1602659.html > > > > > > > > May 28, 2006 > > > > > > > > By DEAN BEEBY > > > > > > > > OTTAWA (CP) - One of Canada's oldest energy-conservation > > programs - the > > > > R-2000 standard for new homes - is under threat after an internal > > > > analysis found that very few homebuyers even care about it. > > > > > > > > The 25-year-old insulation standard has become one of the > > Kyoto-related > > > > programs that the new Tory government has put on hold as it > > conducts a > > > > sweeping review of greenhouse-gas spending. > > > > > > > > "With rare exceptions, home-buying consumers are not > > interested in GHG > > > > (greenhouse gas) emissions reduction aspects of housing, and are > > > > usually > > > > less interested in energy-efficiency than in other features of the > > > > house," says an internal report on R-2000, obtained under > > the Access to > > > > Information Act. > > > > > > > > About 10,000 homes have been built in Canada to the R-2000 standard > > > > since the program was introduced in 1981. Interest peaked > > in 1993, with > > > > 1,527 houses constructed using airtight seals and thick > > insulation that > > > > keeps heat from leaking away, but in recent years only > about 300 have > > > > been certified each year. > > > > > > > > The standard originated in 1978, in the aftermath of the oil-price > > > > shocks, with a demonstration house built by the engineering > > faculty at > > > > the University of Saskatchewan that used half the energy of typical > > > > houses. > > > > > > > > But consumers have been wary of the standard. One federal study a > > > > decade > > > > ago found that energy savings were less than the higher > construction > > > > and > > > > financing costs of R-2000, and that better returns were > available in > > > > the > > > > stock market. > > > > > > > > Since 1995, the share of new housing built to the standard has > > > > fallen to > > > > a fraction of one per cent, even as energy prices rose > substantially. > > > > > > > > Ottawa tried to put the program on a new footing after signing the > > > > Kyoto > > > > Protocol in 1997, making R-2000 part of basket of > > initiatives intended > > > > to help Canada cut greenhouse-gas emissions. > > > > > > > > But the Kyoto reorientation has also had little appeal for > > homebuyers, > > > > says the Jan. 26 internal report. > > > > > > > > R-2000 by itself is doing little to help reduce greenhouse gases by > > > > 300,000 tonnes in the new housing market, an informal > target set for > > > > 2010 by Natural Resources Canada. > > > > > > > > The program shared a $17-million budget with the popular Energuide > > > > program over the five years that ended March 31. > Energuide has since > > > > fallen victim to the Tories' revamp of greenhouse gas strategies. > > > > > > > > R-2000, meanwhile remains in limbo along with 94 other > Kyoto programs > > > > that are being re-examined. > > > > > > > > "We are still waiting for confirmation of funding for this > > year and the > > > > longer term," Ghyslain Charron, spokesman for Natural Resources, > > > > said of > > > > the R-2000 program. > > > > > > > > "We need to consider R-2000 in the context of all > > activities related to > > > > new housing." > > > > > > > > Charron, however, said that the aim of the program was always to > > > > encourage builders to construct more energy-efficient > > housing, even if > > > > they did not actually seek certification under the standard. > > > > > > > > "The objective is to have the industry adopt the practices > > embodied in > > > > the R-2000 standard . . . to improve the overall energy > > performance of > > > > new houses built in Canada," he said. > > > > > > > > "In this context of leadership, it was never expected that a large > > > > volume of houses would be certified R-2000." > > > > > > > > The internal review argues that the status quo is no longer > > an option, > > > > and makes a series of recommendations - including a form of > > > > privatization, where an independent organization could carry out > > > > certifications. > > > > > > > > A spokesman for the Canadian Home Builders' Association said the > > > > program > > > > should remain the responsibility of Natural Resources Canada. > > > > > > > > R-2000 has been a "powerful innovation-driver," helping to > > improve the > > > > overall energy efficiency of new homes in Canada by 20 > per cent since > > > > the 1980s, Don Johnston said in an interview. > > > > > > > > "It's always been kind of leading edge," he said. "It has been the > > > > spark > > > > plug . . . we continue to need this." > > > > > > > > Federal participation is required to support research and > technology > > > > development, as well as to ensure proper training for > builders, said > > > > Johnston, director of technology and policy for the association. > > > > ===================================== > > > > > > > > -- > > > > Darryl > > > McMahon > <<http://www.econogics.com>http://www.econogics.com>http://www.econogics.com>http://www.econogics.com > > > > It's your planet. If you won't look after it, who will? > > > > > > > > > > > > _______________________________________________ > > > > Biofuel mailing list > > > > > > > <<mailto:Biofuel@sustainablelists.org>Biofuel@sustainablelists.org>mailto:Biofuel@sustainablelists.org>Biofuel@sustainablelists.org > > > > <mailto:Biofuel@sustainablelists.org> > > > > > > > > > > <<http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org>http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org>http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org>http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org > > > > > > > > Biofuel at Journey to Forever: > > > > > > > <<http://journeytoforever.org/biofuel.html>http://journeytoforever.org/biofuel.html>http://journeytoforever.org/biofuel.html>http://journeytoforever.org/biofuel.html > > > > > > > > Search the combined Biofuel and Biofuels-biz list archives (50,000 > > > > messages): > > > > > > > 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