So I would probably have someone take a look at the units to be sure they are charged properly, filters are clean, coils are not dust-covered, etc. 

Is so, you've a 99% chance it is load bearing.yes. there is a steel I beam with metal posts (support) running from one wall to the other. the way the carrier beam runs is perpendicular to the roof joists. 

"No Limits to Taking Out FHA LoansProvided you have met all the rules and criteria, you may take out an FHA loan as often as you wish.

However I suspect there is a rattle snack coiled up under that tempting welcome mat. 

(drainage issue)  He says that it is near impossible to replace the boards in a tongue and grove porch and he proposes that we cut out the old rotted wood and try to find some sort of grate or old metal floor vent to put in its place so water can drain through the floor. 

I bought a SFR in Alaska a few years ago, I asked about the furnace and the agent pointed to a freestanding white metal box, next to the wall in the dining room, that was about the size of a large printer.

The best way to explain a heat pump is, a central air conditioner that has something called a reversing valve that diverts the refrigerant so during the winter months the inside coil is hot and the outside coil is cold.

Each unit has concrete flooring, with lockable metal roll-up security doors.

Our first year goal was to own one rental unit that met all our criteria.  

Tenants terrace has 3 doors 1) window door, 2) terrace screen door and 3) metal door, all able to open at free will.