The first thing to check is whether your furnace is operating properly. If it doesn’t, it’s possible that the system isn’t working correctly. A malfunctioning furnace can take your comfort away quickly, so it’s best to call a professional service. A few simple steps can ensure that your system is working properly. You can check for a blocked air intake vent by looking in the attic. Make sure that the pipe is clear of any debris. furnace service in Sandy Check your thermostat. If it is set to “Heat,” it may be malfunctioning. If not, turn the dial to a temperature that feels comfortable. Next, look in your breaker panel.…