Why Do You Need A Furnace Tune-Up?

Updated 2/27/19

A pre-emptive check-up for your furnace is about as exciting as it sounds. However, as we approach the frostier months, now is the best time to guarantee your furnace is ready to provide you maximum comfort throughout the cold season.

Among the leading ways to stop your furnace from going on strike and make sure it runs efficiently is with yearly scheduled tune-ups on your furnace. Just like most mechanical equipment, the working life of a furnace will be extended with preventive maintenance, by ensuring that all the elements of the unit are performing efficiently. In addition, regular cleanings can help pinpoint issues before they become big problems and you end up cashing out for emergency rates on a cold winter night. Plus, because furnaces burn fuel to make it hot, it’s important to examine all the various components to ensure there aren’t any ruptures or leaks that could impact the safety of your household. Taking the time to schedule a tune-up, even if it looks like it’s working just fine, will save you time, stress, and money throughout the heating season.

Is it true my warranty is voided if I don’t get my furnace serviced?

Most manufacturers’ warranties necessitate routine HVAC maintenance to stay valid, so neglecting your tune-ups can possibly result in losing your heating or AC system warranty, which can be major money if your system does ever breakdown in the middle of a cold snap. Make sure you get all you can from your warranty by keeping it valid as long as possible with yearly furnace system tune-ups from Stevenson Service Experts.

Close-up of furnace burners

What can I do to troubleshoot my furnace before calling a tech for service?

Here are a couple troubleshooting tips we suggest checking out early on in the heating season:

1. Inspect your home’s air filter 

Air filters can easily be forgotten, but their importance to your home’s furnace efficiency cannot be overstated. Dirty air filters can cause a host of comfort problems for homeowners, including:

    • Running
    • Restricted airflow
    • Reduced efficiency
    • Bigger energy bills

If you take out your home’s air filter, hold it up to a light. If you can’t see light coming through it, it’s most likely been a while since your last heating service, and likely time to replace it. If it’s a simple disposable air filter, just buy a like-size new one. It’s also a good idea to write down the date you installed the new filter, so you know how old it is next time it needs to be changed. Refer to the filter packaging to see how long the new air filter is designed to be used.

2. Double check your thermostat. 

    • One of the simplest tasks that homeowners can do is keep an eye on the thermostat.
    • Make sure it is set to Heat and not Cool, and that the temperature setting is higher than the current indoor temperature.
    • If you can’t remember the last time you changed your thermostat’s battery, now is the best time to do so.
    • When first switching over to your heat setting, turn your thermostat up a few extra degrees to make sure that it is operating properly and heating your home’s air.

3. Open up your air vents. 

There’s a common misconception that you can boost your savings by shutting the vents (supply registers) in rooms that aren’t being used. Resist the urge to close too many, as doing so can actually increase the pressure in your furnace, making it work harder to heat your home. This can result in failed blower motors, mold or mildew in your ductwork, damage to the compressor, a cracked heat exchanger, and other problems.

    • Full inspection. The service should include a full visual and point review to check all the working parts of your furnace and duct system. An experienced service technician should be able to identify any concerns or signs of excessive wear during this review.
    • Lubrication. Mechanical equipment needs lubrication to eliminate friction between the functioning parts. Your equipment tune-up should include a complete lubrication.
    • Pilot and gas pressure regulating. As part of your tune-up, changes may be made to the pilot and gas pressure if needed to return these elements to manufacturer specifications.
    • Filter replacement. A comprehensive furnace tune-up should include a common 1” filter replacement with your service. Typically, furnace filters need to be swapped out at least every three months, which can boost efficiency and prevent operational glitches.
    • Written assessment. Quality HVAC companies always will give you their analysis in writing or on the receipt with your tune-up, including their professional maintenance recommendations for the next 12 months. This insightful information can help you establish the current condition of your furnace and outline ways to lower your energy bills.

 4. Is the Furnace Getting Electricity? 

Change the thermostat to “on” from “auto” to force the fan to function. If the fan turns on, power is working properly, but if it doesn’t, your furnace could be lacking power.

5. Is the Furnace Switch Working Properly? 

All furnaces have a power switch (that resembles a light switch) either on the furnace or located on a wall close to the furnace. Flip the switch and wait two minutes to see if it helps to turn the furnace on. Also check to see if all access panels and doors on the furnace are completely closed.

6. Condensate Drainage 

High-efficiency furnaces can drain off several gallons of water each day. If the drain lines are clogged with dirt and debris, the furnace will shut down.

7. Check Vents for Blockage 

If your home has a furnace that vents out the side of the house, examine if anything could be blocking the intake or exhaust. Make sure the space isn’t obstructed by leaves, animal nests, or snow/ice.

What Should You Expect After a Furnace Tune-Up?

Improved Function 

Your heating and air conditioning system naturally loses energy efficiency over time. This loss of efficiency is due to several reasons, including dust and dirt, natural wear and tear, and buildup in drains or on burners. Keeping your heating system maintained with annual professional tune-ups can control these factors. During your tune-up, your expert technician will clean and check over your heating equipment, identifying areas of corrosion. They can identify failing parts in need of replacement before they become a larger problem. A tune-up alone may instantly improve energy efficiency by up to 30%. You’ll also enjoy cleaner air and a cleaner residence because your HVAC unit will be distributing clean air through a clean air filter. Perhaps one of the largest benefits you’ll enjoy following a fall furnace or AC tune-up is diminished utility bills. An overworked HVAC system must work much harder to heat and cool your home, while a furnace or air conditioner that has been professionally tuned can take less energy to provide exceptional indoor comfort. Because your heating system operates more efficiently, it will deliver superior heating at lower cost than you otherwise may have had during the coming months.

A Longer-Lasting HVAC System 

Your HVAC system is an expensive investment with a limited lifetime. Depending on use, with regular maintenance you can expect your furnace and air conditioner to perform between 8-18 years before you will need to replace the old one. However, poor maintenance is one of the primary reasons for earlier replacement HVAC systems ahead of end of average life expectancy.

If you’re wondering how much a furnace tune up costs, you can rest easy knowing it’s not going to force an early withdrawal you’re your 401k. Often we have special offers in your local area that you can use to justify your next Starbucks run.

It’s preferable to take action now and be prepared than to regret it during the coldsnap of the century when your furnace isn’t working. If you would like to learn more about what a furnace tune-up includes, or how it benefits you—give our experts a call at 614-334-3192 or schedule an appointment online.

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