There have been quite a few "hot-headed" investors who came through and were unsuccessful.

Right now the press is pretty much just looking for clicks on the hot topic. 

It's certainly enough data to point you in the right direction.Otherwise, here's an article I published on the fastest growing economies in the nation, and many of these places are quite affordable and good places to start (Cincinnati, Columbus, Oklahoma City, etc).13 Real Estate Hot Spots You Won’t Want to Miss Next YearI hope my perspective helped.

For context, 4 adults and all our tech living here, we were running about $250/mo on average per month for electricity anyway... outside of summer a/c useage. so all in all, its saved me about $2k a year if i had to guesstimate for you (it stays hot here through October usually).i still owe about $23k on mine, have no intentions of selling the house. but if i decide to move out and rent the whole house out, our market would support higher rent in exchange for no electricity bill. i think you just need to decide what YOUR main benefit of having the panels are. for me it was for the house-hack, and consistent billing, despite the usage. if its strictly for property value increase, i'm not sure it would be worth it, pending your specific market. 

However, Northern Utah seems to me an extremely hot market right now, with deals closing before they can even hit the MLS.

For the rest of the day we had the keurig for guests that wanted one cup of coffee or hot water for tea.

Rochester, NY is a very hot market, there are very few homes for sale.  

. - What driving factors should I take into account when l'm looking for an up n' coming hot markets?

In the backyard, what was previously grass and concrete was completely transformed into a lush vacation oasis, complete with a luxury pool, expansive deck, custom mural, chic furniture and hot tub for the ultimate tropical experience.

In the backyard, what was previously grass and concrete was completely transformed into a lush vacation oasis, complete with a luxury pool, expansive deck, custom mural, chic furniture and hot tub for the ultimate tropical experience.