I was called to a home to check on a furnace that was not working. Upon arrival, I found that the furnace was running good. I checked the thermostat and found that it was set to 60 degrees, which was the correct temperature. I checked the air filter and found that it was dirty, so I cleaned it and put it back in place. I also checked the blower and found that it was working properly. I tested the gas pressure and found that it was within the normal range. I then tested the ignition system and found that it was working properly. I tested the thermostat and found that it was working properly. I then tested the air filter and found that it was working properly. I then tested the blower and found that it was working properly. I then tested the gas pressure and found that it was within the normal range. I then tested the ignition system and found that it was working properly. I then tested the thermostat and found that it was working properly. I then tested the air filter and found that it
