Air conditioning units and furnaces have been a crucial part of every house. It is not just for luxury, but it is necessary as well. As the Summer months can be very uncomfortable without an ac unit. So can one be spending the winter months in discomfort without the furnace in place. Nowadays, there are many different kinds of furnaces available. A few years back also, the furnaces installed in homes in Queens and Manhattan was not always safe. They worked on outdated technology. That is why it was not safe for the homeowners as well. There was always the chance of gas leaks and fire breakouts. With the advancement in technology, things have improved and homeowners now can consider installing gas heating installation in Queens. The standing pilot furnaces manufactured in recent times have a safety mechanism that offers additional safety to the furnace. The safety mechanism is known as thermocouple, and its primary function is to simply detect whether or not there is any flame. If there is no flame, then the thermocouple sends a signal for shutting off the gas valve.