For a 500 USWG horizontal-style tank — ideal for residential heating — the clearance must be 10 ft. away from your home, any building or structure, the property line, windows and doors, and any sources of ignition and air intakes (for example, heat pumps and air conditioners).
Does propane go bad?
“While both gasoline and diesel fuel degrade with time, propane never goes bad,” he said. “It wont degrade through any natural process like it can with other fuels. Gone are the days of running your gas tank to empty before storing it for the winter.
Is it better to store a propane tank full or empty?
Only completely empty propane tanks should be stored inside. Inside storage can cause the temperature inside the propane tank to rise quickly which is dangerous. It is best to put your tank on a flat surface in an open, well-ventilated area at least 10 feet away from anything flammable.