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In another thread I posted how to insulate your windows with bubble wrap.
http://ecomodder.com/forum/showthrea...ion-15546.html
I really like how easily bubble wrap helps reduce heat losses thru the glass. However, it does nothing to help drafty windows.
One way to address this problem is to buy a clear film kit that is adhered to the inside window frame with sticky adhesive, then heat shrunk. The problem is that it is a one time deal, as it is destroyed when it is removed.
If you have a lot windows in your home this can get very expensive doing this every year.
What does one do then...???
You could purchase custom
reusable interior storm windows.
Windows Insulation Energy Panels | Insulating Drafty Windows | Advanced Energy Panels
They are however, expensive. Roughly $9 per sq. ft. of window area.
Searching the web I came across a couple of DIY interior storm window sites.
Building interior window insulation panels
Historic HomeWorks Forum :: View topic - Interior Air Panels, Instructions.
Depending on the materials used and some elbow grease. One should be able to easily fabricate these for around $1.25 per sq. ft. of window area or less.
A cheap way of reducing draft and increasing the insulation value as each inch of air space separating the windows has a insulation value of approximately R1.
This has the potential of equaling or exceeding some of the best energy efficient windows out there.
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