Service 10 heaters in cedar ridge including maintenance shop, old barn, north and south bathrooms, Lodge, and ranger station. Combination of hanging heaters, standard efficiency and high efficiency gas furnaces all using LP propane gas and one electric only air handler Maintenance shop north hanging hot dawg heater and old barn both have single stage gas valves leaking through. The North hot dog heater has been shut down with the gas stop and electric, the old barn system is still running with a very small rate of leakage but left running due to the only heater in that area. Lodge system twin Goodman furnaces have two bad gas valves. Both systems were intermittently running upon arrival. system one on the left failed first followed by system two leaving the above conference room with no heat. Replace OEM gas valve on right side number two Goodman furnace for 50% emergency heat Left side number one Goodman furnace is still a no heat condition until the gas valve is replaced.