Q: How much difference is there between double-glazed low-e windows and triple-glazed low-e windows? in terms of insulating properties?

A: Plain glass double glazing is about R2. Low-E double glazing is about R3. Plain glass triple-glazing is about R3.3 and low-E triple glazing is about R4-R6.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.