All 3 are reputable products! I can
vouch for Pella and Anderson having
been on the manufacturing end on both
windows. Sequel is a new line with some admirable traits but they all install
just about the same. Choosing to Install insulated glass windows was your first
excellent decision. Decide next to what
extent your willing to go. Double or
triple pane glass, Lo E or tinted, electro-opaque. Money is the object here.
Install what your budjet will allow,
but the important thing here is comfort
and Utility bill savings.