It may be summer, but before you know it, temperatures will be dropping and it will be time to crank up the furnace again. Before you settle into the change of temperature, be sure you check your furnace for any damage, as you may not have used your heating system for several months. Even if everything seems to be running smoothly, it may be worthwhile to call an HVAC service to ensure that your system will work through the cold winter months. Below are three of the most common causes of furnace failure, and why you should watch for them before the weather changes.
Cracked Heat Exchanger
Experts agree that reducing airflow to a heat exchanger can result in cracks, which could be causing your furnace to malfunction. The heat exchanger is an S-shaped metal coilin a gas-fired furnace. Once it’s heated, a fan pushes the resulting warm air through a duct, thus creating the heating effect. If you do