The energetic flow of financial resources to energy efficiency is vital to making efficiency work in the building marketplace. 

The country could be on the tipping point of a potential transformation in building energy efficiency and the role of the electric utility in serving commercial buildings. 

Many advocates and policy makers are taking action now to find and use refrigerants with much lower GWPs than HFCs to anticipate the phase down and avoid what could be a costly double transition. 

A multitude of trends and innovations offer new opportunities for progress increasingly converging on the prospect of a new basic concept: whole-building systems.