If what I heard from HVAC contractors is true, then sending techs and installers into hot attics makes a lot of good business sense, in spite of the inherent health problems associated with hot attics.
Remember what our industry went through to change over to 13 SEER equipment? Thank goodness it’s behind us. But wait, we are only 18 months away from another potential industry headache in the form of the new refrigerant mandates.
Ultimately, I believe it is the responsibility of all of us to educate and warn the public about carbon monoxide (CO) poisoning - through constant bombardment of information as well as new warning devices from manufacturers.