So then, we all agree that the old (ancient) and unmaintained wood frames in the UK are crap. Cool! :) Really, I couldn't care less if they replaced the frames

So then, we all agree that the old (ancient) and unmaintained wood frames in the UK are crap. Cool! :) Really, I couldn't care less if they replaced the frames with wood or whatever, as long as they made sure that they were thermally good and avoid wasting all of the heat...