I can't even figure out what my HVAC vents do, or how not to mess up my entire heating and cooling situation – so I leave them alone. Utter respect for you and

I can't even figure out what my HVAC vents do, or how not to mess up my entire heating and cooling situation – so I leave them alone. Utter respect for you and all the other medical professionals who are having to adapt and deal with this unfolding situation. Many thanks for what you do.