Not likely if the temperature of the water heater is high enough. Viruses/germs can live in water heaters if the temperature is low enough.
Depending on where your water comes from if you have city water or well, there could be bacteria, especially with city water as sometimes in a disaster, if something happens in the water lines, they'll ask that you boil your water before consuming. Your safest route if you doubt the safety of the water is to contact your local health department and find out how to have your water tested.
I know for sure hot water kills germs
Yes
Generally, no. Germs are best killed by very warm or hot water.
Yes the hot water kills more germs than cold water.
No
Check where this rusty water is coming from. There are many possible causes.
Yes, a hotwater heater may be placed outside anywhere in the state of Florida. It should be under cover such as a garage or shed.
Sounds like you have a leaky heater core. You will need to replace the heater core and give the cooling system a good flushing, it shouldn't be rusty.
First need to figure out what type of hotwater heater it is (gas or electric). then this site will give you a step by step how to on how to repair it http://articles.directorym.com/Do_It_Yourself_Water_Heater_Repair_and_Replacement_-a861986.html.
There are many places where someone can find water heater dealers. There are many companies online where someone can easily find a water heater dealer. Also, ads in the newspaper can have information on water heater dealers in a persons area.
lack of proper care. lack of proper (distilled) water in the radiator.
When did you last clean it out. It should be drained and cleaned at least every 3-4 years.
WE HAVE A BAYCREST PARKMODLE THAT HAS AN INTERTHERM GLASSLINED 5 GALLON HOTWATER HEATER by Nordyne for manufactured homes MODEL #MSE-20F-1205
If the plumbing in your house is old, it is probably rusty water pipes or rust from within the Hot Water heater. Des Perado
when hot water and cold water are mixed together then the energy is transfered from hotwater to cold water
Interior heat uses the engine heat. If the engine is still cold, the heater will blow cold. If the engine is warm and the heater is blowing cold, you have a problem with the heater. Check the water in the radiator and see if it is rusty. If it is rusty, change your coolant, thermostat, and hoses. Look at the heater hoses when someone steps down on the gas pedal. If a hose collapses, replace your heater hoses. Otherwise take it to a mechanic.
According to DIY on Hot Water Promblems if theres not enough water then you hit the reset button. If the water is too hot then change the temperature and reset. If you have a leaky heater then you need to replace the valve. If you have a rusty tank then you need to replace the water heater. If you have a noisy heater then you need to drain and flush the tank. If you have dirty water then drain and flush the tank and do it on a regular basis.