Furnace Repair in Chicago

If your furnace has stopped heating, check the thermostat, the furnace switch and breaker, and the filter first. If it still won’t heat, call Astera As a furnace repair company, we offer reliable heating fixes for homeowners. Schedule a furnace repair visit.

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(815) 384-4426

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Service Call waived if repair is approved. Upfront prices. No games. No hidden fees. Repairs with a satisfaction guarantee.

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Why Professional Furnace Diagnosis Matters

Guessing can mean paying for parts you didn’t need or missing the real fault. A number of electrical or mechanical problems might cause the same symptom, such as cold airflow or odd noises.

Plus, furnaces can have an immediate and an underlying problem, and can suffer from both at the same time. For example, replacing a part may not resolve the underlying issue and can lead to repeated breakdowns of the unit.

(815) 384-4426

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Furnace Not Working? Common Problems We Diagnose

Astera repairs residential furnaces in Chicago. We diagnose first, quote the repair in writing, and start only after you approve. The causes below are possibilities, not diagnoses, and we can identify the underlying concern during our furnace repair services.

Furnace Won’t Turn On

Check the thermostat settings and batteries, the furnace switch, and the breaker. If it still won't start, the cause may be a faulty igniter, a tripped safety control, or a control board problem. Finding the real cause requires the expertise of a furnace technician in Chicago.

Furnace Blowing Cold Air

Cold air often means the thermostat fan is set to On instead of Auto, or the filter is clogged. If neither applies, the cause may be the ignition system or a tripped safety control. There could also be issues with your ductwork that prevent your unit from heating properly.

Furnace Turns On and Off Frequently

When your heater is constantly turning on and off, it’s called short cycling. Short cycling can have several potential causes, including restricted airflow, thermostat calibration issues, improper system sizing, or an overheating unit. Our techs will evaluate your unit and determine the underlying cause.

Weak or Uneven Airflow

Weak airflow usually comes from a clogged filter or blocked vents. If those are clear, a technician should check the blower motor and ductwork.

Strange Furnace Noises

A furnace can bang, rattle, squeal, grind, click, or hum. Since each sound has several possible causes, our technicians inspect the system to find the source rather than guess.

Unusual Furnace Odors

The first heat-up of the season is sometimes accompanied by a dusty odor. A professional inspection is necessary if there is a persistent burning, metallic, or musty smell. Use the emergency procedures listed below if you smell rotten eggs, follow the emergency steps below.

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When Is a Furnace Problem an Emergency?

These problems need immediate attention:

Leave the house immediately and dial 911 or your gas utility company if you suspect a gas or carbon monoxide leak. Avoid attempting to fix the furnace yourself or using light switches. Get in touch with us for furnace repair services once everyone has evacuated your home. Without heat, pipes can freeze and burst, so call us as soon as the heat goes out

(815) 384-4426

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Why Chicago Homeowners Trust Astera

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We work only with genuine parts

We offer warranties for parts and labor

Up to 10 years warranty for HVAC Installations

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Client Says

Check Our Latest Reviews

Chicago residents trust our cooling services because we never disappoint. With consistently high customer satisfaction and strong local reviews, Chicago residents trust us for dependable indoor comfort.

      EXCELLENT  
   Based on 665 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Nell Schneider 
 
 
 
 Trustindex verifies that the original source of the review is Google. Excellent service--on time--reasonable pricing.
  
 
      Posted on Google  
   
   Terrie Sobeski 
 
 
 
 Trustindex verifies that the original source of the review is Google. George was professional and very nice
  
 
      Posted on Google  
   
   Cheryl Kennedy 
 
 
 
 Trustindex verifies that the original source of the review is Google. Val was extremely professional and helpful. He was upfront with the total cost, came back same day with the needed parts, worked to find the best price for the parts saving me money, and made recommendations for future trade-in service on a humidifier. Will definitely use Astera services again and recommend them to other condo unit owners.
  
 
      Posted on Google  
   
   Sam Nelson 
 
 
 
 Trustindex verifies that the original source of the review is Google. Vlad was on time & great customer service.

Owner's reply
Thank you for your feedback! We’re glad to hear that Vlad was on time and provided great customer service. We appreciate your support!
  
 
      Posted on Google  
   
   John Napolitano 
 
 
 
 Trustindex verifies that the original source of the review is Google. I contacted Astera because I was not getting any heat in my baseboard heating system on the first floor of my home. Upon emailing them I received a response within the same day as well as numerous options for a in-home appointment and service. So they sent  Steven who is one  of the technicians for HVAC. Upon talking with him as well as inspecting the boiler in my basement he immediately came up with a plan. Steven spent a lot of time making sure I understood about what happened and why I was not getting any heat. He discussed with me what needed to be done and he made sure I understood. He completed all of the required work and I was very happy with the money that I spent for my total repair. This is the third time I have used Astera for issues in my home as well as my sister's home. I have been so happy with the service that I receive from Astera and will definitely continue to use them down the road.

Thanks Steven
John N
Westchester

Owner's reply
Thank you John, for your positive review! We're happy to hear that our company provided quick and efficient service.
  
 
      Posted on Google  
   
   David M. Lewin 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great service. The guy knew what he was doing. Timely. Got the job done right. Price was reasonable. I would definitely use them again.

Owner's reply
Thank you for your great review! We’re happy to hear that you had a positive experience and that our technician got the job done right. We appreciate your support and look forward to serving you again in the future!
  
 
      Posted on Google  
   
   Mike Friedlander 
 
 
 
 Trustindex verifies that the original source of the review is Google. Super responsive, professional, knowledgeable. HIGHLY RECOMMENDED!

Owner's reply
Thank you for your kind words! We’re glad you had a great experience with our service. Your recommendation means a lot to us!
  
 
      Posted on Google  
   
   Reed Stevens 
 
 
 
 Trustindex verifies that the original source of the review is Google. So far they are among the best service providers I have hired.

Owner's reply
Thank you for the wonderful feedback! We’re so glad to hear that you had a great experience with our service. We always strive to provide the best for our customers and your kind words mean a lot to us!
  
 
      Posted on Google  
   
   Crystal Novak 
 
 
 
 Trustindex verifies that the original source of the review is Google. Astera was able to come look at our appliance a few hours after my initial outreach. The technicians were friendly, trustworthy, and repaired our SubZero with no problem. I recommend them without reservation!

Owner's reply
Thank you so much for your kind words! We’re thrilled yo hear that our technicians were able to help and that you Subzero is working perfectly again. We truly appreciate your recommendation and look forward to assisting you again in the future!

      EXCELLENT  
   Based on 10 reviews 
    
 
 
 
   
 
 
       Posted on Yelp  
   
   J L. 
 
 
 
 Verified 
Extremely quick responses with prompt scheduling; it was a great start to the job. Roman provided excellent and conscientious service - we would not hesitate to use Astera again.
  
 
      Posted on Yelp  
   
   Ryan L. 
 
 
 
 Verified 
I had both my washer and dryer serviced by Val.  He walked me through everything he was working on and was finished up in about an hour.  He was very knowledgeable with the specific models that I had.  I would highly recommend!
  
 
      Posted on Yelp  
   
   Rick J. 
 
 
 
 Verified 
I read the Yelp reviews for Astera before I reached out to them, and the 5-star reviews are spot on! I sent a message via Yelp on a Sunday night and they immediately scheduled our oven troubleshooting for Monday afternoon. Their front office staff is incredibly responsive!

George (technician) arrived timely and was very thorough. He explained things to me every step of the way. He is approaching this very methodically - ok, so it's not the igniter, let's look at the next link in the chain...  I saw George called out by name in other Yelp reviews, and I understand why he comes so highly recommended!

He called the manufacturer to discuss his findings, but the manufacturer tech team wasn't available. He let me know he would be calling them again in the morning and that he would reach out to me with an update.

I've had plenty of negative or so-so experiences with other service technicians from other companies. This experience with George / Astera is so positive that I'm posting my review even before the service is completed.

Astera will be getting first crack at all of my appliance and HVAC service calls going forward.
  
 
      Posted on Yelp  
   
   David K. 
 
 
 
 Verified 
This is my second experience with Astera and have only the highest praise for this business and the people that work there. From the person who answers the phone to the technician who comes out, everyone is friendly and polite. They're great with communication so you know when their techs are coming out. Our Sub-Zero fridge was throwing error codes which they diagnosed and repaired a faulty board. The work was done right and Alex explained everything afterwards. Highly recommend.
  
 
      Posted on Yelp  
   
   L H. 
 
 
 
 Verified 
Absolutely amazing company and employees! Rebuilt a brand new furnace installed by someone else, redid air intakes, humidifiers, disposal, broken freezer. Constant communication and always on time
I'm so happy I found them! They even provided a rebate for taxes which the original installer wouldn't.
100% pleased, can't say enough good things about them!
  
 
      Posted on Yelp  
   
   Peter P. 
 
 
 
 Verified 
Repeat customer here and asked for Val M because he is great to work with. Clearly explains what needs to be done, very kind, and doesn't put pressure on you. Will continue to use Astera for their great service.
  
 
      Posted on Yelp  
   
   Ellen L. 
 
 
 
 Verified 
Val from Astera Heating, Cooling,and Appliance Repair was thorough, helpful,and he had great suggestions for regulating the heat in my home. The price was very reasonable as well for my yearly inspection
  
 
      Posted on Yelp  
   
   Liz S. 
 
 
 
 Verified 
They were prompted on time kept me updated and did a very thorough job. I would highly recommend them.
  
 
      Posted on Yelp  
   
   Diane D. 
 
 
 
 Verified 
I recently had both the heat and hot water go out. I have an old boiler that needed several new parts but otherwise works fine. They recommended regular maintenance but unlike other HVAC companies don't try to sell you a new, much more expensive system. If you appreciate a company that will just fix your problem without upselling you, I would recommend Astera. The techs are friendly and knowledgeable. They talk you through the repair and answer any questions.
  
 
      Posted on Yelp  
   
   Yvonne B. 
 
 
 
 Verified 
found Astera Heating, Cooling and Appiances from a Google search.  Their reviews were nothing but positive so I hired them to work on my boiler.  The office staff was kind and professional.  The service technician is extremely knowledgeable and did a thorough job on our repair.  The interaction from start to finish was professional and efficient.  I am adding my positive review to the reviews out on the internet.  I would recommend this company for your Heating and Cooling needs.

Book Furnace Repair in Chicago

Has your heating system broken down in the middle of a freezing winter day? Don’t stay in the cold. Our skilled techs will perform the necessary repairs to get your furnace up and running again.

To book residential furnace repair services in Chicago, IL, call us today or fill out the form.

(312) 757-8188

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We Service All Major Brands and Models

Areas We Serve

We are your local HVAC contractor in Chicago, IL, and the surrounding areas. Simply ring us or drop us a message to find out whether your postcode is covered, or check out our service map.

Repair & Installation

Freqently Asked Questions

How do I know if my furnace needs repair?

Your furnace needs repair if it blows weak or cold air, short-cycles (turns on and off rapidly), makes loud noises, or causes a sudden spike in your energy bills.

Why is my furnace not turning on?

Start with simple furnace troubleshooting if your furnace isn't working: check the breaker and the thermostat setting. A specialist should examine the igniter, safety controls, gas supply, and control board if it still won't start.

What should I do if my furnace is making strange noises?

First, check whether you need to replace the filter. If not, turn off the system and contact us to schedule your inspection. Banging, grinding, and squealing sounds can all stem from multiple problems, so it’s best to get a professional evaluation.

How long does furnace repair take?

Furnace repairs typically take 1 to 4 hours to complete, but more complicated fixes or part replacements could take longer, particularly if specialized parts need to be ordered. Tell us about the issue you're having, and we'll give you an approximate timeframe.

Is it better to repair or replace an old furnace?

Repair makes sense for a well-maintained system and resolves a particular issue. When an older furnace is typically 15 years or more and needs expensive or frequent fixes, replacement is something to think about. Regular maintenance aids in the early detection of issues.

How much does furnace repair cost in Chicago?

The average furnace repair cost in Chicago is $291, with most homeowners typically spending between $124 and $476 for standard repairs. Minor fixes can cost as little as $150 to $600, while major component overhauls or complex mechanical failures can run anywhere from $1,000 to $2,500.

Can a furnace be repaired if it is old?

Yes. We can repair older heaters, as long as the unit is well maintained and replacement parts are available. However, if the heat exchanger isn’t safe to operate, we’ll recommend a replacement for your safety.

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