Home News Releases Global Revenue for Commercial Energy-Efficient HVAC Systems Is Expected to Total $340... News Releases Global Revenue for Commercial Energy-Efficient HVAC Systems Is Expected to Total $340 Billion from 2015 to 2024, According to Navigant Research February 5, 2016 Facebook Twitter WhatsApp Linkedin ReddIt Email BOULDER, Colo.–A recent report from Navigant Research analyzes the global market for seven eneThank you for your interest in The Registry. You must Subscribe or Log In to read the rest of this content.