The San Antonio Water System defines the water as "hard" water which contains elevated levels of calcium and magnesium. Here are some basic maintenance tips every homeowner in San Antonio needs to know!

Flush out the water heater each year and install a water softener system.Flushing out the water heater removes sediment; potentially doubling the life of the water heater.
Installation of a pressure reducing valve outside near the water meter can reduce the risk of water lines breaking or leaking.
Replace washing machine hoses every five years.Ensure the water is shut off before replacing hoses.
Change air conditioning filters monthly to keep a good air flow.
Vacuum the clothes dryer's exhaust duct at least once a year and if the duct is plastic, replace it with rigid sheet-metal ducting.
Vacuum the refrigerator coils underneath the appliance once a year.
The usual suspects that give homeowners trouble are appliances and plumbing, however when maintained regularly it could prevent breaks or malfunctions.