A furnace is vital for survival and comfort in cold winter weather. Devoid of it, it would be difficult to stay warm. But the fact is that, furnaces require homeowner upkeep and regular professional tune-ups to run perfectly and in an efficient manner. However, it is important to keep in mind that even with appropriate maintenance; the furnaces can break down and develop issues that obstruct regular functioning. In case your furnace is refusing to switch on or acting up, go through these below furnace troubleshooting instructions at the start, prior to you call in the professional wholesale furnaces technicians.
- Test out the thermostat: After confirming that your furnace filter is spotless and installed in the correct manner, test out the thermostat.
- Ensure that it is set to high temperature and try setting the temperature at least 5 degrees higher than the present room temperature
- Replace the thermostat in case they need new batteries
- In case of electromechanical thermostats, open it up a bit and give it a gentle dusting by using a soft paintbrush.
- Check the position of the thermostat and ensure it is not getting any false readings from lamps, sunlight, space heaters, ovens, or any other heat source. Remember that in case the thermostat is receiving the incorrect input, it will send out the incorrect yield.
- Check the furnace filter: Over a period of time with constant usage the furnace filters tend to get dirty. Dirt and dust can fast clog the filter, which obstructs airflow, deteriorates indoor air quality, and can even stop the furnace from turning on in some cases. It can also cause a fire risk and cause untimely collapses because of too much dust and dirt.
- Turn the thermostat off and turn over the furnace switch off prior to you carry out any work on the furnace.
- It is essential to check the air filter every month
- Find out if the light passes through the air filter, if it does not then it means it need to be cleaned.
- Check furnace flame: The furnace flame should ideally be healthy blue in color, with possibly a small yellowish tip. The blue flame points out that your gas furnace is burning the fuel securely and proficiently. If the flame is green, yellow, red, purple, or any other color than blue, it is better to call a professional at once. Do not ever try to fix the furnace flame color on your own as it can prove to be hazardous.
- Make sure all registers and vents are open and unobstructed: At times, it may happen that your furnace is running but your rooms are not getting the appropriate heat or airflow. In such case, it is important that your entire home is inspected for all the supply and return grills. Make sure that that they are fully opened and unblocked. Ensure that there are no furniture, rugs, or anything else that can limit the flow of air.
These are some of the most common points that need to be considered in order to ensure that your furnace is devoid of any issues.