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    The housing of mother board inside furnace unit.

    On January 20th 2025 around 2 am the furnace in my apartment made a grinding noise, and things stopped. No hot air what so ever. The outside temperature -26 centigrade, 0r 26 degrees below zero. I manages till 9.45 am, calling the management company, & the strange process to get help. The management company is skeptical of the gravity of situation. Finally they contacted ER AIR. They (team of two) arrived in the afternoon, at scheduled arrival time, good thing, looked at the furnace, did the diagnostics, & went to buy the replacement part. Returned, & went to replace the internal circuit board, which was malfunctioning. And the furnace started up. literally life saving event, in temperatures this cold. The technicians were very nice, knowledgeable & capable to do the job, with no nonsense. I am grateful to George which did most of the intricate maneuvering of the replacement part and installation. Thanks a million for your hard work & professionalism, in those difficult hours.

    30 year old unit finally gave up the Ghost.
    G. M.

    When your furnace goes out on the day before NYE and its freezing out, who ya gonna call?? THESE GUYS! They came out in two hours, sourced a brand new Weil McClane unit and after several hours, had it up and running. FAST, professional service; they respect your property And mask up appropriately. Would Definitely recommend.

    Before the cleaning. That's a lot of loads of laundry worth of lint, despite being careful to clean the lint filter after every load!

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    2 months ago

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    11 months ago

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    9 months ago

    Super friendly, communicative and prompt in scheduling and completing our dryer vent cleaning. Thank you!

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    1 year ago

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    1 year ago

    Same day service- very responsive workers who explained everything they were doing. This is very important safety procedure to have done.

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    Jorge S.

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    1 year ago

    Great value, great service, on-time. Really appreciated the work in cleaning out dryer vent.

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    Jorge S.

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    1 year ago

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    10 months ago

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    1 year ago

    They fixed my dryer issue which was due to clogged air vents. They ended up climbing to the roof t get this done. Thanks.

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    11 months ago

    Excellent response time. Professional work. Courteous workmen. Highly recommended and

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    1 year ago

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    Jorge S.

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    3 years ago

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    3 years ago

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    6 years ago

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    5 years ago

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    3 years ago

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    4 years ago

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    7 years ago

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    3 years ago

    Just did our air duct cleaning and Wow! They are amazing. They were so thorough and clean. Would totally recommend these guys!

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    3 years ago

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    6 years ago

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    5 years ago

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    6 years ago

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    8 years ago

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    6 years ago

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    7 years ago

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    7 years ago

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    4 years ago

    They did a thorough job. They were on time. Communicated the entire process. Recommend them to others.

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    Page 1 of 3

    ER Air Reviews in Other Languages

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    Review Highlights - ER Air

    “I am grateful to George which did most of the intricate maneuvering of the replacement part and installation.”

    Mentioned in 33 reviews

    Read more highlights

    Ugly Ductling

    Ugly Ductling

    (182 reviews)

    Portage Park

    I'm a new homeowner. I recently bought a house built in the 1940s, and while we love the place, it…read morehas a... smell. The previous owners had dogs, cats, and a penchant for leaving food, old shoes, and other trash behind and under the appliances. After living here for about a month, doing SO much cleaning, and still feeling like we were in an allergen pit, we opted for duct cleaning. Karl was friendly and communicative with a competitive price. Christian and Zeke came to the house early. They treated the home with respect, wearing shoe covers and cleaning up diligently, despite it being a dirty job. They had different methods for different vent styles, and helped with a few above and beyond tasks, like re-shaping a bent duct. Christian and Zeke suggested that the ducts of my home had never been cleaned, ever, based on the quantity and type of stuff they were finding. It seemed like a pretty intense job, but they were in good spirits the whole time. My dog was nervous about all the noisy tools- shop-vacs, leaf blowers, etc.- but the guys were so sweet to her, she wanted them to stay. I'm not kidding, the air quality is IMMEDIATELY better in this house, and the smell is wildly improved- maybe even gone. No, this is probably not a service you regularly need, but if your house is pushing 100 years old and reeks, treat yourself to a visit from Ugly Ductling.

    Came out to clean the dryer vent and after the dryer didn't seem to be working better, came back…read moreout to check on it and removed the bird's nest in the vent. Now the dryer is like brand new! They went above and beyond!

    Hero Air - Double parking

    Hero Air

    (128 reviews)

    Portage Park

    Hero Air is great as far as I can tell. I mean it seems like nothing comes cheap but they at least…read moreseem fair. I will copy the review I wrote about ABC, which lead me to hiring Hero Air in the first place to give you the full picture: Update: ABC did show up at 8pm the following night and proceeded to quote me $1,363 to replace some components and $475 to deep clean the condenser coil. I was paying for their VIP service and that is the quote I got. I said no way since I trust them zero. Got Hero Air, who get amazing reviews on Yelp to come out and were there within 2 hours. Turns out I needed a new thermostat, which all in for diagnosing, running out to get the thermostat, and installing for $407. He also recommended a deep cleaning and charged me $150, so for $557 instead of $1,833 which wouldn't have even fixed the problem I am up and running 4 hours after requesting an appointment. So when I said above they hope idiots will let them get away with charging triple, I was not exaggerating. ABC deserves to go out of business. It seems like with their AI reservation system and "fluid" scheduling they probably go bought out by private equity and it seems like they are running themselves into the ground. DO NOT USE THEM FOR ANYTHING!

    Vladimir and his crew replaced our AC/Furnace/Humidifier. They worked from early morning until…read morelate evening to get the system in a working state, on a high heat index day. They are very flexible on working with my needs and offered a very reasonable priced system Despite some required adjustments due to a different sized system, they were willing to work with me around the pricing. Vladimir is very professional and was in constant communication with me throughout the entire process. I highly recommend Hero Air!

    Mr. Duct

    Mr. Duct

    (157 reviews)

    North Center

    We have now used Mr. Duct twice for air duct cleaning and both experiences have been wonderful…read more First and foremost, the main office is very communicative and helpful, ensuring you have all the information you need before, day-of, and post cleaning. I greatly appreciated this communication and that I always felt in the loop! I especially appreciated getting an alert a half hour before the cleaners arrived so that I was ready. From the moment the cleaners arrived, they were kind, professional, and efficient. They helped me get everything ready for the cleaning, get the cats put in a secluded space, and got me setup outside for a work call. They were very respectful and willing to work around my work situation. The requested service of air duct cleaning was completed within a timely manner and very thoroughly. A few hours after the cleaning, I can already tell the difference in the air quality! Wonderful job, Mr. Duct! Best of all, Mr. Duct is very reasonably priced for such high quality service. Truly a great value! After working with Mr. Duct twice over the course of several years, and experiencing high quality service at a great value, Mr. Duct has won our confidence! We will definitely be using them again next time we need air duct cleaning!

    Mario was the best. This was our first experience with Mr. Duct and we were absolutely impressed…read morewith Mario's care, diligence and work ethic, as well as the price point for the service. Mr. Duct also follows up on the work to see how it went and how they can improve. Just top notch all around.

    Air Flows Chicago - Belmont - 315 Units Dryer Vent Cleaning and Air Duct Cleaning for Multi-Unit Buildings on S Laflin & W Madison.

    Air Flows Chicago - Belmont

    (124 reviews)

    Avondale

    Great service and on time really appreciate thier work. DID THE WORK THAT I NEEDED. User air…read moreflow you won't be disappointed Bill Gladstone

    0/5 Stars -- Two Cancellations, Zero Accountability…read more I want to warn others before booking with Air Flows Chicago. What should have been a simple service appointment turned into weeks of frustration and a complete failure of professionalism. We requested a quote online, paid a deposit, and scheduled an appointment for a Sunday afternoon (2-5 pm). We never received a confirmation email, but assumed the booking went through. When we couldn't reach anyone by phone to confirm, we let it go. On Sunday morning at 10 am -- hours before our appointment -- we got a call telling us they don't have technicians working on Sundays. Nobody could explain how we were able to book a Sunday appointment through their own online system, or what we were supposed to do next. I called Monday and spoke with a manager who admitted this was a known issue with their scheduling system -- one they were "working to fix." I was offered a discount and rescheduled for the following Friday, 8 am-12 pm. Okay, frustrating, but I gave them another chance. Thursday evening, less than 24 hours before that appointment, we received a voicemail saying our Friday appointment was also being cancelled because of "another service." No explanation, no apology, no alternative offered. I called back furious. I made clear I wanted someone to show up for the appointment we had. The person I spoke to went to check with a manager -- who couldn't even be bothered to call me directly. When they called back, the answer was simply: reschedule for next week. No compensation. No acknowledgment of the repeated failures. Nothing. The only thing Air Flows Chicago did quickly and without issue was refund my deposit when I demanded it. One additional note: their online booking system never made clear which location -- Air Flows Chicago or Air Flows Chicago Belmont -- was handling our appointment. We still don't know. That lack of transparency is itself a problem, and it's why I'm posting this on both listings. Two cancellations. A known broken booking system they hadn't fixed. A manager who wouldn't get on the phone. And zero effort to make it right. Save yourself the headache and book someone else.

    Chicagoland Air Duct - Initial pooling on top. I will post the corrosion at the base of the interior next time a technician removes the cover.

    Chicagoland Air Duct

    (245 reviews)

    Further update- we just learned that we have carbon monoxide circulating from our furnace. The…read moretechnician who ran positive tests for carbon monoxide in multiple ducts throughout the house pointed to a faulty heat exchanger and/or poor installation. He noted that the heat exchanger was set to combusting gas. As I wrote in my last updated review, we became aware of issues with the installation last season when I noticed water pooling on top of our furnace. Another HVAC technician diagnosed the pipes venting the furnace were not sealed. This allowed condensation to escape at multiple joints in the pipe that seeped down and pooled on top of the furnace. When the technician removed the front of the furnace, we found a layer of rust and build up on the bottom interior of the furnace. He said that we are lucky that this didn't come in contact with a nearby circuit panel, but that we should take care of it ASAP. Chicagoland Air Duct reiterated that it was outside their warranty, and further added that they no longer do furnace installation. After speaking with a Goodman Rep about a possibly faulty heat exchanger I was told that the part definitely is covered by the warranty, but that the labor is not. Another HVAC company quoted around $2000 for that labor. I am about to contact Chicagoland Air Duct and ask them to please do the right thing and address this problem. Wish me luck.

    Update: We had to dispute the charge with the credit card company and filed a complaint with the…read moreBBB. They lied saying it was "refunded before we complained and it only took a few days". B.S. The last time we spoke to Josh on the phone he had said his boss never put in the request yet. The radio silence. No one answered the phones, no replies to voice messages/emails sent. Save yourself the headache and find a better business. Terrible communication and business practice. They lost out on loyal, repeat customers here. No thank you!

    Airborne Indoor Environmental Services - All this shot out of my dryer's air vent

    Airborne Indoor Environmental Services

    (23 reviews)

    If you watch YouTube videos, you'll see house fires caused by not clearing out the vent, leading…read morefrom your dryer to outside the house.. Overtime, that can get backed up by dust, lint, birds' nests, etc. I've had all of this stuffing up my vent, making my clothes even harder to dry, if at all.. Anyway, my neighbor recommended Steve and Zach, a father and son team, and they're both very down to earth and hard working... Take a look at my pics, that's only half of the stuff that came out. I'm thinking of doing this for the entire house next with Airborne. FYI, even if you use the high level/top tier Aprilaire filters for your home, there will still be build up... Thank you, once more, Steve and Zach!! Give them a ring if you want to sleep and breath better...

    I just purchased my first home and noticed the vents were...gross to say the least. After quite a…read morebit of research, I found Steve and Zac at Airborne and I'm so glad I did! They were upfront with pricing, availability, and what to expect ahead of time. Day of they were on time, friendly, communicative, able to work with me to keep my cats safe yet out of the way, and my vents are now so clean. Afterwards, they walked me through what they found in the vents and even let me know that they smelled gas downstairs, which led us to find out we had a gas leak. Genuinely went above and beyond expectations. I definitely recommend Airborne if you need your vents cleaned.

    ER Air - hvac - Updated September 2026

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