Why are we swimming upstream? Promote comfort and energy efficiency will follow. December 15, 2015 | by Robert Bean, R.E.T., P.L.(Eng.), Indoor Climate Consultants Inc. When it comes to thermal comfort, only 3% of the industry can define it, only 1.5% own the thermal comfort standards and less than 1% can list the ten key metrics. How do I know? I’ve asked.