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18-Point Heating Tune-Up Checklist

A heating tune-up should be atop your list of fall activities, even before carving a jack-o-lantern or sipping on some apple cider. If you think your furnace will go through the fall and winter without experiencing any problems, think again. A heating emergency can break out at any time. If you want to avoid any sudden heating scares this year, you need to tune-up your system before the cold weather truly settles in. If not, you won’t just experience a lack of heat. You will also encounter higher heating repair bills, poor energy efficiency, and if you’re not careful, you may just have to replace your furnace altogether.

Calling Lighten Up for Heating Service

Fortunately, Lighten Up is here to provide a heating tune-up that will settle any heating worry before you are stuck in the cold. We can inspect all types of furnaces and give considerable attention to ensure even the smallest issues are fixed. If we notice any issues, we make repairs quickly before they grow into something much worse. Our heating tune-up also guarantees you save money on any future heating bills and works to extend the lifespan of your furnace by years. Best of all, we can ensure you live comfortably in your home throughout the season, enjoying a better peace of mind with high-quality heat.

The 18-Point Checklist to Keep the Heat

There’s no denying a heating tune-up from Lighten Up is important, but some homeowners may be a little unsure as to what a tune-up entails. If you are one them, here is a basic 18-point overview of what our heating contractors will do during their visit:


  1. Inspecting the Burner: The burner is an essential part of the furnace, responsible for mixing air with fuel to generate heat. However, a heating contractor from Lighten Up will eliminate any contaminants found on the burner which can prevent it from working properly.
  2. Inspecting the Combustion Chamber: In a similar fashion to the burner, any contamination on the combustion chamber can prevent it from working properly. However, the consequences may be even worse. It may result in a home heating fire if not treated soon enough.
  3. Inspecting the Belt for Damage: The belt on your furnace is susceptible to cracking, mainly due to the fact it’s incredibly flexible. Some cracks on the belt may not be immediately visible to the eye, which makes it all the more for a contractor to inspect it.
  4. Inspecting the Belts for Tension: A furnace belt also risks loosening as it ages and becoming so loose that it may reduce belt lifespan. The belt will be inspected to ensure it hasn’t lost significant tension and that it is not falling out of alignment in the furnace.
  5. Inspecting the Flue: The flue ensures the system is venting properly. However, when a duct or pipe is blocked, the flue can stop working properly due to a buildup of contaminants.
  6. Inspecting the Heat Exchanger: Since the heat exchanger is responsible for transferring heat, it is arguably the most essential part of the furnace. It needs to be inspected to ensure the best quality performance.
  7. Inspecting Safety Controls: A heating contractor from Lighten Up will test your furnace’s safety controls so you are receiving heat that, while comfortable, is also not proving to be a giant safety hazard.
  8. Inspecting the Gas Line for Leaks: A gas leak is one of the largest threats to your safety, especially when it can heighten your risk of a fire or an explosion. We will make checking for gas leaks an important part of the tune-up.


  1. Adjust Thermostats: A contractor can calibrate the thermostat to ensure it is set at a temperature designed to keep the whole family comfortable. They can also inspect it to determine if it will need to be replaced by a new model.
  2. Adjust Pilot Lights: The pilot light will need to be adjusted by the contractor to ensure your furnace can turn on and run without issue. They can also inspect it to see if the pilot light is yellow, which is indicative of carbon monoxide.
  3. Adjusting Fan Control: If you want consistent warm air in your home, a contractor can adjust the furnace fan to ensure heat is being delivered without disruption.
  4. Adjust Electrical Connections: If you own a furnace fueled by electricity, there may be loose or frayed wiring within the system. The contractor can tighten these connections or repair any issue putting your safety at risk.

Maintenance Work

  1. Lubricate Moving Parts: Furnace components will be properly lubricated, ensuring smoother operation and keeping the furnace from making loud noises.
  2. Checking for Loud Noises: And speaking of loud noises, any crashing or banging noises from the furnace indicates a problem needing to be fixed immediately. The contractor will get to the root of the noise and make any necessary furnace repairs.
  3. Cleaning Filters: Filters clogged with dirt and debris will result in poor air flow and reduce the level of system efficiency. However, filters will be replaced during the tune-up to ensure reduced energy consumption.
  4. Replacing Thermocouple: The thermocouple will measure the temperature within the furnace. However, it is also a common source for heating failure and will need to be inspected to determine if replacement is necessary.
  5. Cleaning the Vestibule: The furnace’s vestibule creates an air lock between the inner furnace components and the furnace door. However, like many areas of the furnace, a buildup of contaminants can prove its major downfall. A contractor will clean it up, if necessary.
  6. Cleaning Blower Components: Your furnace efficiency will be reduced by 15% due to uncleaned blower components. Fortunately, the contractor will clean the blower components to decrease overall energy consumption. 

Don’t Let The Cooler Months Sneak Up On You – Schedule Your Heating Tune-Up Today

Contact Lighten Up today if you want to avoid a season without our warm and have one our local heating contractors provide a heating tune-up!

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