Hire an HVAC contractor to go check it out, of course. 

@Angelo LlamasAt the bare minimum, you should do the following to make your bookkeeping easier:- Dedicate one checking account and credit card exclusively to real estate.

You can check out this group to know who the players are.

You should check out Second Street.

I run the check anyway but with a grain of salt. 

Like you said, every time you visit family, you can check in on the properties and now the trip is a tax write off (consult your CPA). 

Be sure to check out Aspire Tour on Instagram as well.

Check your competition on Furnished Finder.

Make sure you do an OPRA request to check for open permits and confirm with the town whether the 2/1 below is legal and permitted.

Thank you in advance and happy holidays to everyone.Denise Most of our out of state investors that work with our team start by evaluating different places and then plan a visit to check out the area.