Because if it's a one time leak and the it's fixed, the AC and heat would have dry out the carpet/board/ceiling/floor, correct?

Increasing Income:Adding carportsAdding laundry facilitiesOnsite storagePartnering with cable/ internet providers for revenue sharing opportunitiesImprove leasingCollect outstanding receivablesUpgrading the units and adding amenities to common areas will command higher rents, etc.Decreasing Expenses:Rebid all service contractsRebid insuranceAppeal taxesReview staffingPreventative maintenance where neededUpgrading heating and cooling systemsUpgrading lighting systemsAdding insulationThere are many ways to add value to a property, these are a just a few

Although that might not be as energy efficient as a brand new gas boiler, the heating bill will be lower than oil. 

It was during winter and was nice to save the loss of heat and be assured no one was able to get in. 

So far we haven't had any stolen and they seem to work well enough to heat/cool the entire apartment.

Building wise though if you lose a water heat or furnace/boiler it's a nice help.

Properties will look great in terms of cash flow after a renovation and few things are going wrong. 5 or 10 years down the road you start having problems with refrigerators, stoves, heat pumps, gutters, frozen pipes, dead beat tenants, and everything else in the world.

=)My current profession is in HVAC, (heating, ventilation, and air conditioning), along with a decent knowledge of electrical and plumbing.  

But, when I went in with a home inspector there were lot more problems with the house like roof, furnace, electrical,heating, mold, wet walls.

Hey bp need some help,I got a 3/2  built in 1958 with 1523 sq ft single family brick house with no basement or garage, electric heating and ac needs work.