However, they will be more maintenance cleaning the filters and coils. 

Simple things like ac filters each month and the mailbox and post demolished by the UPS truck in front of my eyes.Keep reading, there is a point to this.AC coil for 3 ton unit

Other appliances have been repaired for dirt cheap like a $40 dryer fix or a $20 oven coil.

Which doesn't always work, namely if the A-coil is shot which can't be diagnosed at start, or condenser is shot, again can't always tell 100%.     

I’m not a big fan of “shimming” the surface level with vertical wood nailers as some have suggested.

There is even possible evidence of concealing the blackened copper on the AC evap coils.

Cheaper models, ones with exposed coils and if tenant is excessive with use causes freezeups but I think they work much more efficient in small spaces like studio and 1 bedroom apartments.

Hair everywhere, urine stains, barn smell and dirty hvac filters, ducting and coil galore.  

I received a work order from the PM company regarding an electric coil burner on a stove that blew up.

But appraisers are human and a white, no clock Roper range with coil heating elements will likely lower the perceived quality of the property.