Medical Insurance $$'S for Retrofits

This is a novel idea:
               What if the dollars spent on asthma and other respiratory/sinus issues are directed at residential indoor air quality? Imagine an asthmatic child who is an emergency room super-utilizer getting a prescription for a home performance retrofit from her doctor and her insurance provider paying for it. A typical day at the ER is around $1250. An asthmatic child will trigger once a month in the "right" conditions. That's $15000 in health care that does not help the child since she goes home to the same unhealthy environment. Let's spend that $15K on a whole house retrofit and remove the asthma triggers from her home.
                This is proactive, preventative and long lasting health care that positively affects the whole family by reducing sick school days and missed income from medically related loss of work, not to mention overall improvement in productivity and quality of life. Oh, and by the way, reduced energy costs. ;-)

2018 IRC - IECC

Of the built environment, a substantial percentage is residential housing. Based on my experience testing many homes as a HERS Rater, I know we have created a very unhealthy and inefficient housing stock through the lack of sensible building standards. 2018 code offers an excellent opportunity to resolve that problem. Not only does it address effective standards for health, safety, durability and efficiency in new construction, 2018 also address existing home retrofits by making renovations also subject to these new standards.

          Further, it seems unnecessarily complicated to have different standards for Commercial and Residential structures when the building science is essentially the same. Why force builders, trades, subcontractors and code inspectors to learn, enforce and comply with 2 sets of rules?

There are (+-) 125,000,000 single family homes in the US, the majority of them constructed without any building code. Roughly ½ of the State of Tennessee has no building code. (See attached maps link) The resultant health and infrastructure costs due to mold, rot, poor air quality and resulting respiratory ailments is staggering. Homes retrofit to 2018 standards would reduce energy loads by 50% and cut recurring medical costs for the life of the building, given reasonable upkeep.

In the world of building science, we are very close to the path of diminishing returns, R values, fenestration, ducts and mechanical equipment, air tightness levels and ventilation standards are at a level that is affordable and technically achievable. I suggest a blanket adoption of 2018 codes and a 6-9 year moratorium on code upgrades to give all parties sufficient time to get it right.