B. tested the unit to see if it's actually defective.

The approved contractors have to meet insurance guidelines (often not met by an average company), typically are certified by national and state agencies in home energy efficiency, and invest around $10k in energy testing equipment just to participate.

Here's a quick test... call the company yourself, see how long they take to answer the phone and how they answer the phone.

I believe my wife and I pass all the test under REPS and material participation.

I got a feeling that life as a Private-$ Investor may be a great place to start, and these properties lend a perfect means to testing that out, solving 2 issues in 1 action, because you can JV your way out of the operational side of things AND retain that long term financial upside. 

All which can be determined by Air Quality testing.

Hi Haiden, are you an agent or do you still need to pass the test and qualify?  

Clearing, ordering surveys, soil tests.

First is from roof along 3rd floor ceiling and I could not isolate source on leak test.

Turns out there were other posts in that thread which also tested positive for AI...