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Hi Joe,
you are rigth on with your comment!
Those"Airtigth" Homes need to be serviced by
mechanical Aircontrol,wich create again a energieconsumption by
itself.Considerin lots of fixt Windows and the great ability of american
Windowmakers to trow away all phisical Laws,you end up with Windows of sometimes
very big dimention and ridicule small openings for Ventilation at the Bottom of
the Windows,so the warm,humid air stays trappet in the upper part of the room or
house.It is common knowledge, it takes more energie to keep humid air warm than
to reheat cold air!Drywallconstructin is creating also a unhaelty klimat,so you
need a humidifier and so on.
Double Loghomes (machined dry Lumber T+G) can be
built to Standards of Low-energie Homes with K-Value of 0,19W/m2k now i havnt
been able to convert this into our R-Value but i am certain,it beats R 2000 by
far.
Combined a good craftet double Loghome with my 68mm
Windows,you have there a Energie efficien home.
Fore the Larchwood is to say,Larch is probably the
best wood in the northern Hemisphere but have never beeing commercially used
because it was in the old times to havy to float and it is so darn hard,that
carpenters could not nail it.
But with good machines its a peace of cake!There is
an other apect talking for Larchwood: one dont need to treat the wood chemically
for protection,the most you need to du is applying a coat of Linseedoil (for
esthetics only)
Windows and Doors from Larch are very durable
to.
If you consider the Whole Picture: Larch built
homes are higly energyefficient,
made from a readyly availible lowcost Source
and for people with allergies the ideal Home.Combine this with excellent
workmanship and you get a result that stand up for centurys (I know Larchbuilt
homes with up to 800 years of age)
I have no experiance in rammed eart
construction,but would raise some doubts about such a technique for canadian
climate
Fritz
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