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Mon-Fri: 9am - 5pm EST
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6 Reasons Why Residential Furnaces Should Be Serviced by a Licensed Technician

A furnace is among the most expensive appliances in your home, and it keeps the indoor temperatures warm throughout the cold season.

That said, failure to regularly service your furnace can cause two main problems:

  • Risk to your family’s safety (or tenants if you’re a landlord)
  • Heavy expenses on repairs and furnace replacement

Hiring a professional to service your furnace can eliminate such risks. A licensed technician will detect and fix defects early enough to eliminate potential safety threats.

This guide will walk you through the following:

  • Benefits of having a licensed technician servicing your furnace
  • How to find a licensed technician 
  • What to expect during furnace servicing
  • Signs of a faulty furnace

Regular furnace maintenance has the following benefits:

1 — It Saves You Money

Furnace servicing by a professional saves you money in two ways.

First, it decreases your energy bills.

Furnaces not maintained or serviced have to work harder and longer than well-maintained ones to yield the same amount of heat, causing inefficiencies that jack up your energy bills.

A licensed technician will troubleshoot your furnace and fix noted issues fast, which reduces your electricity bills.

Second, professional furnace servicing saves you money on repairs.

A faulty furnace breaks down quickly, causing frequent repairs and part replacements, increasing operational costs.

When a licensed technician regularly services your furnace, he will detect early defects to reduce the chances of malfunctions or complete breakdowns, saving you money.

2 — Safety Assurance for Your Family (Or Tenants)

Regular furnace servicing reveals operational issues early before they become a problem.

If the issues remain undetected, the furnace can endanger the safety of your family or tenants.

A professional furnace servicing can protect you against potential hazards such as:

Electrical Issues in Your Home

All furnaces have electric components regardless of their fuel - oil or gas.

A faulty furnace can cause power surges that damage other devices or cause house fires (in the worst case scenario).

A qualified technician will fix faulty wiring and ensure all electrical elements in the furnace are working correctly to prevent such dangers.

Carbon Monoxide Poisoning

Oil and gas furnaces burn fuel to generate heat, so when your furnace is faulty, it can yield carbon monoxide, which is a deadly gas.

The gas is known as the "silent killer" because it is odorless, tasteless, colorless, and non-irritating.

You won’t realize you’re getting poisoned until you exhibit the following symptoms:

  • Headache
  • Vomiting 
  • Dizziness
  • Chest pains 
  • Breathing difficulties

Hiring a professional to service your furnace eliminates the chances of carbon monoxide leakages, ensuring you remain safe throughout the cold season.

Gas Explosions

Faulty oil and gas furnaces are more likely to experience delayed ignition, allowing gas to build up in the furnace that can cause explosions.

Regular furnace servicing allows the technician to detect and fix faulty electrodes, leaky seals, ignition problems, and other combustion malfunctions.

Goodman-Amana B1809913S Furnace Control Board

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3 — It Maintains the Warranty Validity of Your Furnace

Most furnaces on the market today have extended warranties that are only valid under specific conditions.

For example, most furnace manufacturers specify the required servicing frequency for a warranty to remain valid during a breakdown.

Therefore, scheduling regular maintenance by licensed professionals preserves the warranty validity of your furnace, ensuring you don’t bear all the costs of repairs and part replacements in case of a malfunction.

4 — It Ensures Compliance With the Law

Failure to regularly service your furnace not only puts lives at risk but also causes compliance issues with the local safety codes, standards and laws. 

While different states have specific furnace maintenance and service rules, most recommend an annual inspection documented in writing.

Hiring a professional to service your furnace regularly helps you comply with your state’s maintenance laws.

Professional servicing maintenance

5 — It Enhances Reliability

Professional servicing and maintenance improve the reliability of your furnace.

Winter is always here or coming up, and you can’t afford to have a furnace that’s not optimized to warm your home throughout the cold season.

Having a furnace break down in the middle of winter can be a nightmare. So it’s wise to hire a professional to inspect it before the cold season begins.

A licensed technician will detect defects and repair or replace parts, reassuring you that the furnace will remain functional throughout the cold months.

6 — It Improves the Overall Comfort in Your Home

As much as you need a functional furnace throughout the cold period, you’d want a perfect temperature balance in all rooms. If one room is warmer than the others, you won’t get the comfort you’re looking for.

A licensed technician will skillfully adjust your furnace’s vents, settings, and repair or replace heat exchangers to improve air heating and circulation for more comfort.

Armstrong Furnace Heat Exchanger available at IndustrialStores.com

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How to Find a Qualified Furnace Technician

Furnaces have complex designs. For that reason, you should only entrust servicing jobs to licensed technicians with the right skills.

How do you find qualified professionals to service your furnace?

  • Check online: Google “HVAC service provider in (the area you live)” to get some options.

    Be sure to check online reviews for each service provider to evaluate customer satisfaction. Choose the one with the most authentic positive reviews.
     
  • Ask for recommendations from family members, friends, and neighbors. You can also inquire from an industry expert like an electrician or air conditioning technician to recommend a good furnace technician.
     
  • Know the type of furnace and fuel source you’re using.  Furnaces operate on oil, gas, and electricity. Most professionals have specialized skills depending on the type of furnace.

    For instance, some technicians are skilled in carbon monoxide detection (for oil and gas furnaces), others specialize in electric furnaces, and some can service all types of furnaces.

    Knowing the kind of furnace you own will help you get the right person for the job.

Burner Assembly available at IndustrialStores.com

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What Happens During Furnace Servicing?

When scheduling furnace maintenance, it’s crucial to know what to expect. Furnace servicing entails a thorough inspection, cleaning, and repairing (or replacing) damaged parts.

Here’s a quick breakdown:

Action Desired result
Changing the air filters Installing a new and clean filter for efficient trapping of air pollutants
Inspecting the thermostats and heat exchangers Efficient air heating and economical energy consumption
Checking the blower and fan Smooth flow of air in and out of the furnace system
Cleaning the burner (for gas furnaces) Efficient gas ignition to verify no or safe carbon monoxide levels
Swipe left to see more

When the technician finishes the job, he will draft a report of the procedures followed during the inspection and indicate whether the furnace works better.

Carrier HH680369 285F Auto Limit Switch

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Characteristics of a Professional Furnace Technician

The furnace technician you hire determines the quality of services you’ll get.

Here are some of the characteristics of a professional technician:

A Professional Technician Arrives in a Uniform

Identification is critical when it comes to home services. Service providers should ensure their technicians wear uniforms to protect homeowners from potential scams.

The technician should also have a company ID for further identity clarification.

A Professional Technician Provides a Detailed Bill

A professional technician should clearly state the costs of furnace servicing, which can help you avoid overcharges.

A Professional Technician Clarifies the Problem

A furnace technician informs you of the problem source to eliminate avoidable repairs and part replacements in the future.

A good furnace tech will tell you what it takes to fix the problem and, if possible, give you options. For instance, the technician will advise you when to purchase a new furnace or repair a damaged part.

What Are the Signs of a Faulty Furnace?

You may have scheduled furnace servicing with your licensed technician, maybe monthly, yearly, or twice in six months.

But when your furnace is faulty, you should call your technician before the scheduled servicing.

Here are the common signs of a furnace malfunction:

  • Unusual increase in energy bills: Faulty furnaces consume more energy than expected.
  • Unbalanced air heating: Some rooms become warmer than others.
  • Frequent repairs and part replacements: When your furnace frequently breaks down, it’s a sign of malfunction.
  • Unusual loud noises: Furnaces produce a standard sound, and when yours becomes louder than expected, it’s a sign of malfunction.

Testimonial from Ruben Marquez

Unlike most faceless online stores, Industrial Stores cares about its customers.

We’re real people determined to address the deepest needs of our customers. That’s why we offer personalized customer care for a hassle-free buying process, high-quality supplies, affordable prices, and fast delivery.

Here’s what a happy customer had to say about our fast and efficient shipping process.

“I just wanted to thank you for your extremely quick shipping... I ordered (6) RIBs on Tuesday, and they came on Wednesday! Unheard of without paying for overnight shipping! I will be a customer from now on! Thanks again for making me look good."

— Janet Wartschow, Connecticut, USA

If you'd like to learn more or have any questions, please contact us right away, and we'll be happy to assist you.

Frequently Asked Questions

Is furnace servicing necessary if you aren’t experiencing functionality issues?

Yes. Furnace servicing helps identify potential functionality issues before they become a problem, saving you money on repairs and part replacements.

When is the best time to schedule furnace servicing?

Try to schedule servicing a few months before the cold season to give you enough time to fix issues, test the functionality of your furnace, or buy a new one if necessary.

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