Tell them to buy a portable version?

An assumable mortgage is effectively a 'portable' loan.

The key here for me "after signing, we mentioned using a portable dishwasher".

The trades are lined up but we're responsible for the dumpster, temporary fence, and portable john.

Everything Paige said and a few more.All vehicles must be licensed, tabbed and operableNo water beds, pools, portable heaters, portable dishwashers, portable clothes washers or dryers shall be used on the premises without prior written consent of agent/owner.No dust, sand, dirt, rubbish, coffee grounds, feminine products or other foreign material shall be flushed or washed down toilets,sinks, or wash basins.

Cost TrackerLot Purchase Price 20% - 15%Architect & Engineering Plans RenderingSurvey 1 (Stake Corners & Elevation Cert)Surveyor (Final Elevation Cert & Final Survey)County Permit Municipality Utilities District Portable ToiletFoundationSilt Fence Site Work (tree removal / 8in Dirt Scrape)Concrete SlabFramingLumberEngineering Wood Products (Trusses)Accessories & LumberFraming Labor $2.5 per sqftPlumbingPlumbing TurnkeySinksToiletsFaucets & Shower TrimElectricalElectricalHVACHvacInterior Windows & Material Back DoorFront DoorSiding, Sheathing & Cornice MaterialSiding, Cornice, Doors, Window LaborRoofRoof Deck MaterialRoof Deck LaborStanding Seam Metal Roof (optional)InsulationInsulationDrywallDrywallFirewallHang, Tape, Float & Texture LaborDrywall Touch Up LaborPaintExterior PaintInterior PaintExtra Cost (Caulk & Paint Upgrade)CarpentryDoor Handles CabinetsInterior DoorsBaseboards & Shelving (closets, utilities & Pantry)Carpentry LaborCounter TopsCounter TopsMirrors MirrorsGarageGarage Door & OpenerDrivewayDriveway Flat Work (AC Pad, Walkways, Steps, Backyard Steps)TilingTile MaterialTile LaborLVPLVP MaterialLVP LaborRailingRailingLandscapingLandscape Final gradeSODFlower BedDumpsterDumpsterApplianceseDish WasherStoveMicrowaveMiscMail BoxFinal CleaningHouse Plan PrintsWater & Electric During buildRefunds / DepositsRefundable Deposit

Attached is a photo of the window guard They can get one of the portable air conditioners that do not extend out past the window.

The definition of Appliance has been expanded to include any device provided to the tenant to cool the home, to include permanent or portable air conditioning units, swamp coolers etc. 

Can be a challenge when heat is needed for contractors, but the right ones bring portable propane heaters.What specific repairs have you had done to the property?

Not sure what kind of fan you got, but if it is portable...again that's on her to buy.