Tenker på slike
http://www.youtube.com/watch?v=ezxYDvNqgNY

Det du skal søke på er Sash vindows Som f.eks her
Men hvor mye du må kompensere for U-verdien vet jeg ikke. U-verdi er jo et "ikke" tema i UK, men de kommer seg. Den siste linken tilbyr jo 2-lag etc.

Hei,
Ville du fraråde meg å kjøpe fra amerika?
Ser at en vindusleverandør som heter andersen windows har energi vinduer, det blir jo solgt i canada og de har vel kaldt klima som i norge.
http://www.andersenwindows.com/servlet/Satellite/AW/Page/awGeneral-3/1110240893412

Eks dette vinduet
400 Series Woodwright® Double-Hung Windows

High-Performance™ Low-E4® glass stays cleaner and reduces water spotting†
Nearly-invisible TruScene® insect screen optional
Custom sizes available in 1/8" increments
Classic traditional style
Fine milling detail
Rich natural wood interior
Attractive low-maintenance exteriors
Convenient tilt-in cleaning
Variety of grilles and insect screen options
FSC Chain-of-Custody Certified

http://www.andersenwindows.com/servlet/Satellite/double-hung-windows-for-your-home.htm

Ikke bare at vinduet skyves opp og ned så kan vinduet vendes også så det blir enklere å vaske det.

Det som er noe dritt er den lange avstanden og frakt fra amerika og lille norge

Hei, fant dette. U-verdi er fra 0.25 til 0.30. Avhengig av glasstype.
Da burde ikke det være noe problem da det snakkes om at jo lavere u-verdi desto betre er det?
http://www.andersenwindows.com/servlet/Satellite?blobcol=urldata&blobheader=application%2Fpdf%0D%0AContent-Disposition%3A+inline%3B+filename%3DTax_Credit_4-20-09.pdf%3B&blobkey=id&blobnocache=false&blobtable=MungoBlobs&blobwhere=1247457996429&ssbinary=true

Atlantis Saturday, October 31, 2009

Hei, Ville du fraråde meg å kjøpe fra amerika?

Nei jeg er av den oppfarningen at vi lever i et fritt land ;D
Det jeg tenkte på var diverse programm (drømmedesign etc.) sier mange at "å har huset termopan" NEI TAKK!  ;D ::)

Det jeg tenkte på var nå heller konsekvensene da, ikke utseende.
Synest ikke vinduene på bilde her var stygge å se på.
Lav U-verdi har vinduene også.

Var ikke mye svar her, men kan legge til at en i danmark man ta kontakt med.
Det var foresten en danske som startet det hele i 1903.
http://www.andersenwindows.com/servlet/Satellite/AW/Page/awGeneral-3/1102951371087
he privately owned business was founded in 1903 by Danish immigrant Hans Andersen and his family in Hudson, Wisconsin, where logs arrived via the St. Croix River. Today, Andersen Corporation is an international enterprise employing over 9,000 people at more than 20 locations with headquarters in Bayport, Minnesota, a 2.8 million-square-foot facility that covers 65 acres. Andersen annually manufactures more than six million wood windows and doors, with sales worldwide.

Så jeg har sendt en epost til denne dansken, når jeg skal bygge hus er jeg interesert i et hus som ikke alle har, uten at prisen skal bli alt for høy.

Jeg finner det mistenkelig at de produserer vinduer konsekvent men U-verdi ca. 0,25-0,30. Mens de i resten av "verden" strever med å nå 0,7. Noe her rimer ikke.

Nå vet jeg at i UK er tabellen snudd på hodet, slik at jo høyere verdi, jo bedre. Tror 3,6 tilsvarte 1,2 w/m-k.

Men dette er synsing, jeg har ikke satt meg inn i det.

Ja, jeg spurte i eposten om u-factor var det samme som u-verdi. det står også SHGC i pdf filen.
Uten jeg vet hva shgc er for noe?

Fant dette
U-value

Also known as the U-factor or coefficient of heat transmission, a measure of the rate of non-solar heat loss or gain through a material or assembly. U-values gauge how well a material allows heat to pass through. U-value ratings generally fall between 0.20 and 1.20. The lower the U-value, the greater a product's resistance to heat flow and the better its insulating value. The inverse of (one divided by) the U-value is the R-value.

U-value is expressed in units of W/m2 °C or Btu/hr-sq ft °F. In the US, values are normally given for NFRC/ASHRAE winter conditions of 0°F (-18°C) outdoor temperature, 70°F (21°C) indoor temperature, 15 mph wind, and no solar load.

U-values are often quoted for windows and doors. In the case of a window, for example, the U-value may be expressed for the glass alone or the entire window, which includes the effect of the frame and the spacer materials.

To reduce U-factors, some manufacturers apply a low-E (low-emittance) coating to glazing surfaces. These low-E coatings reduce heat loss, improving both heating and cooling performance. Windows can also be assembled to improve thermal performance. Some assembly strategies include using two or more layers of panes or films, low-conductance gas fills between the layers, and thermally improved edge spacers, which are placed between the panes.

The sash and frame of a window represent 10% to 30% of a window's total area, depending on the window size and design. The material used to manufacture the frame can thus impact heat loss and related condensation resistance. In colder climates, in non-residential buildings, where aluminum frames are used, thermal breaks should be specified in order to minimize heat transfer and condensation on the frames. In colder climates, with residential buildings, most products use wood, vinyl, or other non-metallic frames.

Some door frames will also conduct heat readily. For solid doors, insulated metal or fiberglass doors are usually the best choice.

Window coverings, such as shades, shutters, and insulating or storm panels, can help reduce heat loss too.
http://www.daviddarling.info/encyclopedia/U/AE_U-value.html

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