One thing all asthmatics need to know is that some electric companies will give you a huge discount on your electric bills. I get 35% off. It is for having to run the med equipment in your home. Not all companies give it, but look in their website under medical equipment. One employee told me it came in to being under ADA. You get a form from the website, have you dr. sign it and mail it in. Good luck.

PG&E in California allows it, not sure who else.