I have pella and Anderson, Ill say this I dont know where you live ,
or how you keep your humidity but Pellas condense my Andersons dont .
Windows are rated for this, but I paid no attention to the condensing
factor. Every morning in winter I try to wipe my Pellas so the water
doesnt cause damage. Anderson has a clearer glass now I dont know how
old yours are but their new coating machine is a 30 million machine
that coats them with metal at the atomic level. Where do you live,
your glass is sucked together!! What does Anderson say, How big are