How to get a new heating system installed in NYC building without natural gas? If you are trying to save money from your enormous heating oil bill and interested in acquiring a new gas supply line and have been told. Either, the required BTU amount required isn’t yet available for your area, or your Gas Load Request Letter was denied. Or, you were told the capital investment would in the -millions of dollars- and you can’t justify the expense. There is another option, one that doesn’t run on oil or gas at all.