How Often Should You Service Your Furnace? (Homeowners Guide)

Locals know that Midwest winters? They’re anything but simple. While we may have created time-honored traditions that allow us to embrace the cold and the snow, there’s no denying that your HVAC system is a huge part of that enjoyment.

Furnaces are sturdy things that are designed to last for years on end. However, just like any other piece of machinery, your furnace requires regular maintenance to ensure it operates efficiently and effectively. Still, many homeowners don’t have the first clue about furnace maintenance. What does a poorly maintained furnace look like? And how often should you service your furnace, anyway?

In this blog post, we will dive headfirst into the critical topic of furnace servicing, including :

  • Why it’s essential
  • Signs that your furnace isn’t working properly
  • Benefits of routine maintenance
  • Recommended servicing frequency
  • Tips on finding a reliable HVAC specialist

6 Signs Your Furnace Isn’t Working Properly

A person wearing gloves and a cap is installing or removing a pleated air filter from a ventilation system, perhaps pondering how often you should service your furnace. Wires are visible inside the unit, and metal ductwork is seen above.

Your furnace often gives subtle hints when it’s not operating at its best. Being attuned to these signs can save you from potential headaches and chilly nights. Some common indicators that your furnace might not be functioning properly include:

1) Inconsistent Heating

Uneven temperatures throughout your home, where certain rooms are much colder than others, can signify that your furnace is struggling to distribute heat evenly.

2) Increased Energy Bills

If you notice a sudden spike in your energy bills despite consistent usage patterns, it could be an indication that your furnace is working harder than necessary to maintain desired temperatures.

3) Strange Noises

Unusual sounds, such as banging, clanking, or rattling, coming from your furnace can point to mechanical issues that require attention.

4) Frequent Cycling

A furnace that turns on and off frequently, known as short cycling, might be a sign of airflow problems, thermostat issues, or a malfunctioning component.

5) Yellow Pilot Light

The pilot light on your furnace should burn blue. If it appears yellow, it could indicate the presence of carbon monoxide, a potentially dangerous gas.

6) Poor Air Quality

An increase in dust, debris, or a noticeable decline in indoor air quality might signal that your furnace’s air filters or ducts need attention.

Benefits of Regularly Servicing Your Furnace

Ensuring that your furnace undergoes regular servicing offers numerous advantages that go beyond just warmth and comfort:

  • Enhanced Efficiency: A well-maintained furnace operates more efficiently, leading to reduced energy consumption and lower utility bills.
  • Extended Lifespan: Regular servicing can help identify and address minor issues before they evolve into major problems, thereby prolonging the lifespan of your furnace.
  • Improved Air Quality: Clean filters and well-maintained components lead to better indoor air quality, benefiting the health and comfort of your household.
  • Safety Assurance: Regular servicing includes checks for potential carbon monoxide leaks, ensuring the safety of your family.
  • Cost Savings: Addressing minor issues early prevents them from escalating into expensive repairs or even complete system replacements.
  • Consistent Performance: With routine maintenance, you can trust that your furnace will provide consistent and even heating throughout your home.

How Often Should You Service Your Furnace?

In a utility room, a person in a blue shirt uses a wrench to adjust a valve on plumbing connected to an appliance. Surrounded by tools, a yellow cord, and a pink container, they consider how often you should service your furnace for optimal performance.

The frequency of furnace servicing depends on factors such as the type of furnace, its age, usage, and local climate. However, as a general guideline:

Annual Servicing

For most homeowners, scheduling a professional furnace service once a year, ideally before the winter season, is recommended. Yearly furnace maintenance ensures that your furnace is in optimal condition for the colder months.

Bi-Annual Servicing

If you use your furnace extensively during harsh winters or if you have an older system, bi-annual servicing (once before winter and once before summer) might be more appropriate than annual furnace inspections.

Regular Filter Changes

In addition to professional servicing, don’t forget to change your furnace’s air filters regularly, usually every 1 to 3 months, depending on the type of filter and usage. Not only will this improve your air quality, but it will help to ensure that your HVAC system stays energy efficient.

Finding a Reliable HVAC Specialist

Entrusting your furnace to a qualified HVAC specialist is essential to ensure that the servicing is performed correctly and comprehensively. Here’s how you can find a reliable professional:

  • Check Credentials: Look for technicians who are licensed, certified, and insured. These credentials reflect their expertise and commitment to quality service.
  • Read Reviews: Online reviews and testimonials from previous customers can provide insights into the technician’s work quality and customer satisfaction.
  • Ask for Recommendations: Seek recommendations from friends, family, or neighbors who have had positive experiences with HVAC professionals.
  • Get Multiple Quotes: Obtain quotes from several HVAC specialists to compare pricing and services offered. Avoid choosing solely based on the lowest price, as quality matters.
  • Inquire About Experience: Ask about the technician’s experience with your specific furnace make and model. Experienced professionals are more likely to diagnose and address issues accurately.
  • Seek Maintenance Agreements: Some HVAC companies offer maintenance agreements that provide regular servicing at discounted rates. These agreements can simplify scheduling and help you stay on top of maintenance.

Get Reliable HVAC Help

Looking for a trustworthy HVAC technician to help you with all of your needs? Aquarius Home Services can help. Not only do we provide HVAC installation for your home, but we can provide you with annual furnace cleaning and repair services. Ready to get started? Contact our team today to set up your appointment!

Kevin Palmer
Kevin Palmer
1736962876
Cole and Dirk were at my house today for routine water softener maintenance service. They did a terrific job - tested the water, serviced the softener and patiently explained what they were doing throughout the process. I highly recommend Aquarius.
Gary Gaffner
Gary Gaffner
1736961472
Justin and Caillou were very knowledgeable and thorough in checking out our water softener. They clearly answered any questions we had and we would definitely have them out again.
Connie Irvin
Connie Irvin
1736959556
Joe is very friendly, knowledgeable, and professional. He also went the extra mile and filled the water softener with salt for me which was so appreciated. Best wishes always to he & his family.
Karen Duhn
Karen Duhn
1736953232
Eric Walton
Eric Walton
1736950654
Our experience with Josiah was a great one. He was knowledgeable, explained all of our options and offered fair price quotes. Highly recommended!
denise altonen
denise altonen
1736908762
Two water experts came to check our problem this morning, we thought it was the water softener. Jon and Ryan, told us we needed a plumber, they were so nice and thorough! That lead to Josiah coming right over! What a nice person Josiah is! He came to assess and repair our sump pump check valve and assess our water heater problem, turned out we needed a new water heater. Josiah got it ready for replacement and replaced the shut off valve and check valve on the sump pump. Josiah got everything set up for the next crew to come in and replace the water heater, the whole process was seamless. Adam and Joe came in to install the new water heater! Yay! They were equally as nice and knowledgeable, got the install done in a timely fashion. Cleaned up and checked the waterpressure. We have had great service today from all the Aquarius techs!!!Thank you, Denise and Deb
John and Colleen Sorensen
John and Colleen Sorensen
1736905301
Amazing experience with 3 great employees, Shawn, Jennifer and Erik. I highly recommend this company. Had Kinetico system and tankless water heater installed. Very satisfied.
Gregory Grau
Gregory Grau
1736903931
I had a tankless water heater descaled. Excellent job. Also had many questions about other plumbing matters and Josiah answered them all. Very impressed!
Yvonne Fox
Yvonne Fox
1736898053
Justin Johnston
Justin Johnston
1736895577
Ryan was professional and did excellent work!
Udo E. Schulz
Udo E. Schulz
1736890563
Jake was very Professional, helpful and effective and specific with his explanations
Michelle Doyle
Michelle Doyle
1736889354
Debra Layer
Debra Layer
1736884506
Erica Wilebski
Erica Wilebski
1736879133
We have had Aquarius out to our house for years, but Mike was amazing. Explained things that no one‘s ever explained to us about our system. We really appreciate him!
Garrett Maas
Garrett Maas
1736878076
Wonderful experience! Very knowledgeable and professional.
Julie Buol
Julie Buol
1736877329
Chris explained everything to me that I needed to know. He was polite and curtious. He did an amazing job fixing all of our plumbing issues. We're very pleased!
Shannon Canas
Shannon Canas
1736877255
Great job! Easy and no issues
gale dawson
gale dawson
1736873967
Bryan Svobodny
Bryan Svobodny
1736871364
Cole was personable. He was knowledgeable. He answered all of my questions. He took great care while in our house. I wouldn’t hesitate to recommend him to others, and will be requesting him during future visits if available.
Emily McClellan
Emily McClellan
1736869784
Chad Reisner
Chad Reisner
1736812739
Ryan and Sawyer did a fantastic job with our install today. They were professional, smart, well mannered, and knowledgeable. I wish we could have them for dinner they were that great. They asked for our opinions on placement and catered to our wants, they left no traces of being here, demonstrated everything and went over it so we would understand. They were fun to be around and we were impressed by their work and attitudes. Would recommend them 100 out of 100 times.
Rob Reinke
Rob Reinke
1736807893
We had Cole out for our 6 month service check-up. He was very respectful and explained everything to my wife as I was not home. He also detailed in his service report was was done and the readings that he found when doing his tests. Excellent customer service Cole..!!
Justin Glaser
Justin Glaser
1736807030
Great experience in total, Craig in sales was very informative and Dirk did a great job installing.
Meredith Yager
Meredith Yager
1736806120
We acquired a water filtration system when we bought our home. We finally got around to having someone come and take a look at the system to ensure it was functioning properly and to replace filters, etc. Cole was an absolute pleasure to work with! Very knowledgeable, informative and thoughtful! Would recommend to anyone not feeling super confident in how their system works and what to look out for when it starts to fail.Thank you Cole!!
Babu Gaddam
Babu Gaddam
1736805537
Mike is highly knowledgeable and has done a fabulous job. He is quite patient in explaining the problem and addressing adequately. He is an asset to any organization.
Ashley Sinkula
Ashley Sinkula
1736805254
Working with this company was great, easy and seamless. Excellent communication as well. Full of knowledge but not pushy. Highly recommend!
Kenneth Fusaro
Kenneth Fusaro
1736801412
Ethan just left from a furnace tuneup. He was very professional and worked efficiently. He answered my questions. You guys do a great job! Thank you, and kudos to Ethan!
Nate Herrmann
Nate Herrmann
1736801060
Aquarius water systems truly stands out with their excellent service! From start to finish, the entire process was quick and seamless. The team was professional, knowledgeable, and genuinely cared about addressing my needs. They took time to explain all my options and ensured I was confident in my decision. If you are looking for a company that delivers top-notch professional service and quality products, Aquarius Water Systems is the way to go. Highly recommend!
Shawn Butler
Shawn Butler
1736799306
Ann Fankhanel
Ann Fankhanel
1736797635
Eric, was on time, very polite, efficient and explained everything clearly and helpfully. I would definitely recommend him and Aquarius Home Services to anyone.
Deb Williamson
Deb Williamson
1736797600
Marcus was very thorough reviewing the photos he took as part of the annual tune-up. Good explanations of down the road repairs and costs.
Jan Johnson
Jan Johnson
1736795060
We received exceptional service from Erik. The valves he installed were in a very tight space and took a lot of finesse to put in. Erik also took great care to protect our floors.
Pete Janzen
Pete Janzen
1736794565
Knowledgeable, practical, great customer service, friendly - very good professional!
James jensen
James jensen
1736788430
Lynn Peters
Lynn Peters
1736784691
Jodie Cartier
Jodie Cartier
1736784429
Nick is both friendly and professional. I highly recommend using him as your HVAC technician.
Hilde Polum
Hilde Polum
1736781851
Cole and Caillou were great. They explained what they were doing and made recommendations. They were very friendly and respectful.Unfortunately, I realized a couple of days later that the hot water faucet, which had been working fine prior to getting the system flushed, no longer put out water. It was a very quick and simple fix for Chris to reconnect the hot water dispenser to the system, after it was left disconnected. If I'd known what to do, I could have done it myself. Everyone involved was pleasant and courteous.
Michael Hinz
Michael Hinz
1736733161
My 22 month old furnace from Aquarius wasn't heating correctly. Aquarius was able to send technician Nick the same day and all is well. So glad it's still under warranty. Great job!I want to add an update as the weather gets colder. Technicians Brent on 11/21/24 and Nick on 1/8/25 did a great job getting my furnace operating so it heats the house. As of yesterday 1/11/25 I have found more water flowing from some internal place in the furnace. To get things to heat properly I have to leave the cover open & put a small towel to soak up water and change it every 3-4 hours. I have included photos of where the water is corroding the metal inside, and a second one showing where I have to put the towel. It may be a safety hazard but what am I going to do? I wonder if this is a defective furnace built during Covid times when everything went wrong. I would like someone from Aquarius (maybe a couple of your great problem solvers) to schedule an appointment with us to fix it once and for all, or replace my new furnace if it comes to that. Thanks!
Karen Arcand
Karen Arcand
1736706132
tim regan
tim regan
1736673214
Alec came for furnace tune up. Did great job. Impressed with everything he checked for and explained.Jon came to check the Kinetico Water System and got the system working the way it is supposed to. Fine tuned the system. Did a great job. Very knowledgeable about the entire process.Both men very knowledgeable about the systems that they were working with.
Louie Ritacco
Louie Ritacco
1736627489
Steven Guthrie
Steven Guthrie
1736559201
My Experience with Aquarius was Five Star Plus from beginning to end. Everyone involved was highly professional and explained everything to me as they did the job. Thank You All for a very positive experience.
Josh mcginnity
Josh mcginnity
1736558955
Both Nick and Wyatt were very personable and professional from the moment they arrived to the time they left. Put down a rug at the front door and wore boot coverings while walking thru our home. Diagnosed problem and gave options for repair. Once repair was chosen they went the work quickly getting the parts needed and making the repair. Tested out system for proper operation and notified when complete explaining and answering any questions.
katie Weller
katie Weller
1736558515
Michael was extremely nice and answered all my questions.
Dean Wennberg
Dean Wennberg
1736549417
Mark Grabe
Mark Grabe
1736544323
Very skilled technician.
Kenny Marton
Kenny Marton
1736543884
Great service. Very knowledgeable with all my questions. Thank you.
Rachel Rutherford
Rachel Rutherford
1736539983
On time, explained everything, showed me what was wrong and fixed it. Couldn't be happier.
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