She offered some portable fans and a bottle of wine for the inconvenience and apologized for the inconvenience.

Section 8 portable voucher--the local housing authority will pay a portion of the tenant's rent, on a floating scale depending on their income and expenses, all the way up to 100%. 

Buy a couple of portable floor units or small window units and give tenant a time line for Central Air installation.

The tenant wants to buy a portable a/c as currently it's hot in Atlanta.They are requesting to buy 2 units from a nearby store and then return the units when the a/c is fixed. 

You may have success with even a plug in baseboard heater. https://www.homedepot.com/p/Fahrenheat-58-in-1-500-Watt-Electric-Hydronic-Portable-Baseboard-Heater-FHP1500T/205164444

Too much liability.There are plenty of portable "fire pits" that use propane etc rather than wood and other combustibles.

I am reminded that the Phoenixville code inspectors -- who come around each year -- look askance at the use of portable space heaters by tenants -- mostly bc of the dangers of tipping, damage to cords, and fire hazard from folks trying to dry damp clothing on them.

I always bring a 12" compound and a portable table saw when doing projects.  

Although a tiny space has disadvantages under our current paradigm, I think advantages like portability, affordability, sustainability, and housing security will out weigh the old ways of thinking.

Yes you can keep your number...number portability is a federal law.I have an iphone and love it...as do most owners...takes a few months to really get things down but...I will probably never change now