Homeowners considering a new furnace installation in Queens should also take note of which fuel they should be considering for the unit too. Even homeowners who have an old boiler can consider upgrading the furnace. When that has to take place, considering the different fuels that are available is necessary too for the efficiency of the system. Not every unit works same; different furnace would work on different fuels. Hence, knowing which one will be right for your furnace is necessary. If you choose the wrong fuel, then it can affect the longevity of the unit and its working mechanism.