How thermally efficient is the S2 system? The S2 is manufactured from profiles that are fully thermally broken and designed for superior thermal regulation, making it ideal for year-round comfort. By Chris|2026-03-04T11:00:50+00:00March 4, 2026|Categories: S2 Conservatory Roos System|0 Comments Share This! Choose Your Platform! FacebookXRedditLinkedInWhatsAppTelegramTumblrPinterestXingEmail