Tight double hung windows, how can I loosen balance?

A handy person from New York says:
Hello, how can I losen my vinly double hung windows? They have spiral balance. also some of them don't stay up. how can i fix that?

What can I do?

Thank You!
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting! Take a look at our tutorial video on how to replace a tilt-window spiral balance. This shows the best method for relieving tension on a spiral balance. It also shows the best method of tightening them, which will help with those pesky windows that won't stay up!
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)