Central heat & air*I made this below chart based on this community shared knowledge (Thank you all).Need1. would you consider this property at all ?

How are the foundation walls, basement/crawlspace framing, HVAC/heating & cooling, roof, windows, elec.?

Here are some specific questions i have:1. are there certain locations where revenues may be impacted by seasonal weather changes, like for example heavy rainfall for 1 out of 3-4 months will drop revenue significantly, or excessive heat/cold for seasons will bring significantly less customers?

It's not a tear down, but everything needs to be redone including heating from boilers.I'd love to be connected with your guys.

Consider including features like heated floors, which can be appealing in Vancouver's cooler, wetter climate. 

Is a solar pool heating system a wise investment?

Furnace was 30 years old and there were cracks in the heat exchanger.

Maybe not an issue if you aren't sensitive to smells, but I am, and I hate smelling when they heat up their chinese takeout, and I'm sure they hate smelling when I cook fish! 

The insurance company needs proof that the heating was turned on when the pipe burst, or else we are out the $10k. 

So I bought a 100+ year old duplex in Ohio and I'm trying to switch out it's heat only option for central HVAC.