My main concern is if the pipes will freeze in winter without thermostat controlled heat.

Even had to spend nearly 10K in repairs once after a tenant moved out due to the house sitting empty and the galvanized pipes freezing and breaking as well as the damage the tenant caused.

My evaporator fan went out due to the defrost heater going out and letting it freeze up. 

Below are some generalizations about the property and ongoing maintenance costOlder properties require more maintenance than newer properties.The tenant pool has a large impact on your ongoing maintenance cost.Composition roofs require more maintenance than tile roofs.Properties in climates with hard freezes require more maintenance than properties in mild climates.Properties in locations with a lot of moisture require more maintenance than dry climates.Wood siding requires more maintenance than aluminum or stucco siding.Properties with lush vegetation require more maintenance than properties with little or no vegetation.Locations with high levels of termite activity will require more maintenance than areas with little or no termite activity.Future rentabilityToday, almost anything will rent in the Las Vegas market due to high demand and limited rental inventory.

If there is available credit they can decide to freeze the credit, so no more draws. 

Bought a brand new Samsung when I moved in and within five years the freezer was not freezing. 

Nothing freezes.

I'm trying to figure out how a leak lead to a slip aside from water freezing in which case he should have dealt with the ice on HIS property. 

Attorney's Office spokeswoman Melodie Rydalch wouldn't comment Wednesday on whether a criminal case is being pursued against Deucher.The SEC said it has obtained a court order freezing the assets of Marquis Properties, as well as Deucher, who is CEO and president of the Orem company.

Are any of your tenants letting the water drip/trickle when they think it might freeze at night?